13F holdings
IMC-Chicago, LLC portfolio
Managed by . 1,290 reported positions worth $6.6B as of 2026-03-31, filed with the SEC on 2026-05-05. Parsed from the filing itself, not a reseller.
$6.6B
Book value
1,290
Positions
34%
Top 10 weight
+759
New this quarter
-319
Exited
134 days
Age today
How old this actually is
Every position on this page is a snapshot of 2026-03-31. It was already 35 days old on 2026-05-05, the day it first became public. Today it is 134 days old.
That lag is the law, not a service level — Rule 13f-1 gives managers 45 days after quarter end to file, and no product can shorten it. A fund can have sold every share below before you read this sentence. Treat it as a record of what happened, never as a position you can follow.
What changed
Positions opened and closed
Against its 2025-12-31 filing. This is the part worth reading — the holdings table below is mostly years old.
New positions (759)
| Ticker | Issuer | Value | Shares | % of book |
|---|---|---|---|---|
| SPY | STATE STR SPDR S&P 500 ETF T | $283.8M | 436,397 | 4.30% |
| CEF | SPROTT ASSET MANAGEMENT LP | $165.3M | 3,464,915 | 2.51% |
| ORCL | ORACLE CORP | $106.2M | 722,220 | 1.61% |
| ASML | ASML HLDG NV | $68.5M | 51,869 | 1.04% |
| LITE | LUMENTUM HLDGS INC | $65.7M | 93,519 | 1.00% |
| AMZN | AMAZON COM INC | $55.3M | 265,722 | 0.84% |
| ETH | GRAYSCALE ETHEREUM STAKING | $44.8M | 2,255,767 | 0.68% |
| COST | COSTCO WHOLESALE CORPORATION | $43.4M | 43,605 | 0.66% |
| WFC | WELLS FARGO & CO | $35.9M | 451,139 | 0.54% |
| HYG | ISHARES TR | $32.2M | 404,180 | 0.49% |
| AXTI | AXT INC | $26.0M | 456,014 | 0.39% |
| VXX | BARCLAYS BANK PLC | $23.6M | 662,376 | 0.36% |
| KMT | KENNAMETAL INC | $23.4M | 647,514 | 0.35% |
| GE | GE AEROSPACE | $22.7M | 79,895 | 0.34% |
| BNO | UNITED STS BRENT OIL FD LP | $21.5M | 412,754 | 0.33% |
| WDC | WESTERN DIGITAL CORP | $20.4M | 75,502 | 0.31% |
| TER | TERADYNE INC | $19.0M | 63,952 | 0.29% |
| KKR | KKR & CO INC | $18.7M | 202,284 | 0.28% |
| BAC | BANK AMERICA CORP | $18.3M | 375,859 | 0.28% |
| SPXU | PROSHARES TR | $17.9M | 316,218 | 0.27% |
| IGV | ISHARES TR | $17.8M | 221,893 | 0.27% |
| LRCX | LAM RESEARCH CORP | $16.4M | 76,707 | 0.25% |
| CATALYST PHARMACEUTICALS | CATALYST PHARMACEUTICALS INC | $14.0M | 563,670 | 0.21% |
| XLP | SELECT SECTOR SPDR TR | $13.9M | 169,012 | 0.21% |
| LAD | LITHIA MTRS INC | $13.8M | 55,132 | 0.21% |
Closed out (319)
| Ticker | Issuer | Was worth | Shares | % of book |
|---|---|---|---|---|
| QQQ | INVESCO QQQ TR | $431.2M | 701,972 | 0.00% |
| IWM | ISHARES TR | $390.3M | 1,585,486 | 0.00% |
| NVDA | NVIDIA CORPORATION | $74.0M | 397,028 | 0.00% |
| CRWD | CROWDSTRIKE HLDGS INC | $53.6M | 114,413 | 0.00% |
| NFLX | NETFLIX INC | $44.7M | 477,204 | 0.00% |
| GLD | SPDR GOLD TR | $43.8M | 110,618 | 0.00% |
| RKLB | ROCKET LAB CORP | $42.4M | 607,651 | 0.00% |
| BA | BOEING CO | $33.4M | 153,620 | 0.00% |
| DAVE | DAVE INC | $28.1M | 126,931 | 0.00% |
| DASH | DOORDASH INC | $28.0M | 123,764 | 0.00% |
| BRK/B | BERKSHIRE HATHAWAY INC DEL | $27.8M | 55,225 | 0.00% |
| ASCENDIS PHARMA A/S | ASCENDIS PHARMA A/S | $24.2M | 113,682 | 0.00% |
| VTWO | VANGUARD SCOTTSDALE FDS | $23.8M | 239,506 | 0.00% |
| UBER | UBER TECHNOLOGIES INC | $22.9M | 280,519 | 0.00% |
| IVV | ISHARES TR | $21.0M | 30,647 | 0.00% |
| INTU | INTUIT | $20.9M | 31,538 | 0.00% |
| ABBV | ABBVIE INC | $20.9M | 91,287 | 0.00% |
| OXY | OCCIDENTAL PETE CORP | $19.8M | 482,692 | 0.00% |
| EFA | ISHARES TR | $17.8M | 184,956 | 0.00% |
| SPYM | SPDR SERIES TRUST | $17.7M | 221,234 | 0.00% |
| JNJ | JOHNSON & JOHNSON | $14.4M | 69,404 | 0.00% |
| WMT | WALMART INC | $14.0M | 125,323 | 0.00% |
| SBUX | STARBUCKS CORP | $13.7M | 162,452 | 0.00% |
| DIS | DISNEY WALT CO | $13.1M | 115,322 | 0.00% |
| PEP | PEPSICO INC | $12.8M | 89,418 | 0.00% |
Added to (249)
| Ticker | Issuer | Value | Shares | % of book | Shares Δ |
|---|---|---|---|---|---|
| TSLA | TESLA INC | $520.6M | 1,400,346 | 7.89% | +69% |
| PSLV | SPROTT ASSET MANAGEMENT LP | $313.5M | 12,853,471 | 4.75% | +5217% |
| TSM | TAIWAN SEMICONDUCTOR MANUFAC | $209.7M | 620,444 | 3.18% | +115% |
| IBIT | ISHARES BITCOIN TRUST ETF | $166.5M | 4,332,641 | 2.52% | +154% |
| META | META PLATFORMS INC | $129.4M | 226,108 | 1.96% | +473% |
| GOOGL | ALPHABET INC | $97.0M | 337,290 | 1.47% | +346% |
| SNDK | SANDISK CORP | $92.7M | 145,842 | 1.40% | +143% |
| PHYS | SPROTT ASSET MANAGEMENT LP | $86.8M | 2,449,218 | 1.32% | +494% |
| ETHA | ISHARES ETHEREUM TR | $69.7M | 4,404,430 | 1.06% | +307% |
| SQQQ | PROSHARES TR | $65.1M | 809,094 | 0.99% | +267% |
| GDX | VANECK ETF TRUST | $64.1M | 697,975 | 0.97% | +1264% |
| AMD | ADVANCED MICRO DEVICES INC | $62.1M | 305,221 | 0.94% | +187% |
| PDD | PDD HOLDINGS INC | $48.0M | 469,789 | 0.73% | +35% |
| SPPP | SPROTT ASSET MANAGEMENT LP | $46.6M | 3,002,396 | 0.71% | +37% |
| ROK | ROCKWELL AUTOMATION INC | $45.5M | 126,717 | 0.69% | +986% |
Trimmed (277)
| Ticker | Issuer | Value | Shares | % of book | Shares Δ |
|---|---|---|---|---|---|
| DG | DOLLAR GEN CORP | $214,664 | 1,808 | 0.00% | -98% |
| HCA | HCA HEALTHCARE INC | $589,657 | 1,246 | 0.01% | -97% |
| DKS | DICKS SPORTING GOODS INC | $266,105 | 1,342 | 0.00% | -97% |
| PWR | QUANTA SVCS INC | $213,020 | 388 | 0.00% | -96% |
| NDSN | NORDSON CORP | $256,748 | 965 | 0.00% | -96% |
| ASTS | AST SPACEMOBILE INC | $2.4M | 29,534 | 0.04% | -96% |
| MRVL | MARVELL TECHNOLOGY INC | $1.8M | 17,726 | 0.03% | -95% |
| GOOG | ALPHABET INC | $2.3M | 8,180 | 0.04% | -95% |
| ALT | ALTIMMUNE INC | $30,812 | 10,004 | 0.00% | -94% |
| MSI | MOTOROLA SOLUTIONS INC | $538,123 | 1,240 | 0.01% | -94% |
| ZIM | ZIM INTEGRATED SHIPPING SERV | $218,889 | 8,307 | 0.00% | -94% |
| QUBT | QUANTUM COMPUTING INC | $85,803 | 12,526 | 0.00% | -94% |
| BIDU | BAIDU INC | $3.5M | 31,125 | 0.05% | -93% |
| ULTY | TIDAL TRUST II | $401,746 | 13,099 | 0.01% | -93% |
| SSNC | SS&C TECH HLDGS | $346,702 | 5,131 | 0.01% | -91% |
The book
Largest 150 of 1,290 holdings
| Ticker | Issuer | Value | Shares | % of book | Shares Δ |
|---|---|---|---|---|---|
| TSLA | TESLA INC | $520.6M | 1,400,346 | 7.89% | — |
| PSLV | SPROTT ASSET MANAGEMENT LP | $313.5M | 12,853,471 | 4.75% | — |
| SPY | STATE STR SPDR S&P 500 ETF T | $283.8M | 436,397 | 4.30% | — |
| MU | MICRON TECHNOLOGY INC | $247.0M | 731,218 | 3.74% | — |
| TSM | TAIWAN SEMICONDUCTOR MANUFAC | $209.7M | 620,444 | 3.18% | — |
| IBIT | ISHARES BITCOIN TRUST ETF | $166.5M | 4,332,641 | 2.52% | — |
| CEF | SPROTT ASSET MANAGEMENT LP | $165.3M | 3,464,915 | 2.51% | — |
| META | META PLATFORMS INC | $129.4M | 226,108 | 1.96% | — |
| ORCL | ORACLE CORP | $106.2M | 722,220 | 1.61% | — |
| AVGO | BROADCOM INC | $101.3M | 327,438 | 1.54% | — |
| GOOGL | ALPHABET INC | $97.0M | 337,290 | 1.47% | — |
| SNDK | SANDISK CORP | $92.7M | 145,842 | 1.40% | — |
| PHYS | SPROTT ASSET MANAGEMENT LP | $86.8M | 2,449,218 | 1.32% | — |
| ETHA | ISHARES ETHEREUM TR | $69.7M | 4,404,430 | 1.06% | — |
| ASML | ASML HLDG NV | $68.5M | 51,869 | 1.04% | — |
| LITE | LUMENTUM HLDGS INC | $65.7M | 93,519 | 1.00% | — |
| SQQQ | PROSHARES TR | $65.1M | 809,094 | 0.99% | — |
| GDX | VANECK ETF TRUST | $64.1M | 697,975 | 0.97% | — |
| AMD | ADVANCED MICRO DEVICES INC | $62.1M | 305,221 | 0.94% | — |
| AMZN | AMAZON COM INC | $55.3M | 265,722 | 0.84% | — |
| PDD | PDD HOLDINGS INC | $48.0M | 469,789 | 0.73% | — |
| SPPP | SPROTT ASSET MANAGEMENT LP | $46.6M | 3,002,396 | 0.71% | — |
| ROK | ROCKWELL AUTOMATION INC | $45.5M | 126,717 | 0.69% | — |
| ETH | GRAYSCALE ETHEREUM STAKING | $44.8M | 2,255,767 | 0.68% | — |
| COST | COSTCO WHOLESALE CORPORATION | $43.4M | 43,605 | 0.66% | — |
| SPXS | DIREXION SHARES ETF TRUST | $43.3M | 1,069,475 | 0.66% | — |
| BABA | ALIBABA GROUP HLDG LTD | $42.7M | 340,075 | 0.65% | — |
| FND | FLOOR & DECOR HLDGS INC | $42.5M | 836,951 | 0.64% | — |
| PYPL | PAYPAL HLDGS INC | $41.4M | 915,528 | 0.63% | — |
| PLTR | PALANTIR TECHNOLOGIES INC | $40.7M | 278,554 | 0.62% | — |
| BMNR | BITMINE IMMERSION TECNOLOGIE | $39.7M | 2,007,194 | 0.60% | — |
| IBM | INTERNATIONAL BUSINESS MACHS | $38.5M | 158,879 | 0.58% | — |
| SOFI | SOFI TECHNOLOGIES INC | $36.6M | 2,307,518 | 0.56% | — |
| WFC | WELLS FARGO & CO | $35.9M | 451,139 | 0.54% | — |
| INTC | INTEL CORP | $32.7M | 740,851 | 0.50% | — |
| BSX | BOSTON SCIENTIFIC CORP | $32.7M | 520,435 | 0.49% | — |
| NKE | NIKE INC | $32.5M | 616,084 | 0.49% | — |
| HYG | ISHARES TR | $32.2M | 404,180 | 0.49% | — |
| AG | FIRST MAJESTIC SILVER CORP | $31.0M | 1,444,572 | 0.47% | — |
| DIA | STATE STR SPDR DOW JONES IND | $30.0M | 64,819 | 0.45% | — |
| NVO | NOVO-NORDISK A S | $29.5M | 802,198 | 0.45% | — |
| V | VISA INC | $28.4M | 93,902 | 0.43% | — |
| ONDS | ONDAS INC | $27.2M | 3,005,274 | 0.41% | — |
| UAL | UNITED AIRLS HLDGS INC | $26.8M | 291,255 | 0.41% | — |
| AXTI | AXT INC | $26.0M | 456,014 | 0.39% | — |
| CI | THE CIGNA GROUP | $24.7M | 92,532 | 0.37% | — |
| FCX | FREEPORT MCMORAN INC | $24.2M | 412,080 | 0.37% | — |
| MAR | MARRIOTT INTL INC NEW | $24.2M | 74,042 | 0.37% | — |
| VXX | BARCLAYS BANK PLC | $23.6M | 662,376 | 0.36% | — |
| KMT | KENNAMETAL INC | $23.4M | 647,514 | 0.35% | — |
| GE | GE AEROSPACE | $22.7M | 79,895 | 0.34% | — |
| PAAS | PAN AMERN SILVER CORP | $22.5M | 411,227 | 0.34% | — |
| QYLD | GLOBAL X FDS | $22.2M | 1,295,978 | 0.34% | — |
| CMG | CHIPOTLE MEXICAN GRILL INC | $21.9M | 684,714 | 0.33% | — |
| CRWV | COREWEAVE INC | $21.9M | 282,498 | 0.33% | — |
| BNO | UNITED STS BRENT OIL FD LP | $21.5M | 412,754 | 0.33% | — |
| WDC | WESTERN DIGITAL CORP | $20.4M | 75,502 | 0.31% | — |
| ALAB | ASTERA LABS INC | $19.3M | 176,073 | 0.29% | — |
| TER | TERADYNE INC | $19.0M | 63,952 | 0.29% | — |
| KKR | KKR & CO INC | $18.7M | 202,284 | 0.28% | — |
| SOXL | DIREXION SHARES ETF TRUST | $18.4M | 383,819 | 0.28% | — |
| BAC | BANK AMERICA CORP | $18.3M | 375,859 | 0.28% | — |
| SPXU | PROSHARES TR | $17.9M | 316,218 | 0.27% | — |
| JD | JD.COM INC | $17.8M | 602,833 | 0.27% | — |
| IGV | ISHARES TR | $17.8M | 221,893 | 0.27% | — |
| SE | SEA LTD | $17.6M | 212,221 | 0.27% | — |
| HOOD | ROBINHOOD MKTS INC | $17.1M | 246,482 | 0.26% | — |
| NET | CLOUDFLARE INC | $16.9M | 82,095 | 0.26% | — |
| SPOT | SPOTIFY TECHNOLOGY S A | $16.7M | 34,523 | 0.25% | — |
| SMCI | SUPER MICRO COMPUTER INC | $16.5M | 726,402 | 0.25% | — |
| LRCX | LAM RESEARCH CORP | $16.4M | 76,707 | 0.25% | — |
| TTWO | TAKE-TWO INTERACTIVE SOFTWAR | $16.2M | 82,200 | 0.25% | — |
| MS | MORGAN STANLEY | $16.2M | 98,629 | 0.25% | — |
| ROYAL CARIBBEAN GROUP | ROYAL CARIBBEAN GROUP | $15.4M | 55,874 | 0.23% | — |
| IREN | IREN LIMITED | $15.3M | 447,110 | 0.23% | — |
| MDY | STATE STR SPDR S&P MIDCAP 40 | $15.0M | 24,334 | 0.23% | — |
| ETN | EATON CORP PLC | $15.0M | 41,940 | 0.23% | — |
| SNPS | SYNOPSYS INC | $14.9M | 37,628 | 0.23% | — |
| APP | APPLOVIN CORP | $14.5M | 36,392 | 0.22% | — |
| KRE | SPDR SERIES TRUST | $14.0M | 215,172 | 0.21% | — |
| CATALYST PHARMACEUTICALS | CATALYST PHARMACEUTICALS INC | $14.0M | 563,670 | 0.21% | — |
| XLP | SELECT SECTOR SPDR TR | $13.9M | 169,012 | 0.21% | — |
| URI | UNITED RENTALS INC | $13.8M | 19,006 | 0.21% | — |
| LAD | LITHIA MTRS INC | $13.8M | 55,132 | 0.21% | — |
| CRDO | CREDO TECHNOLOGY GROUP HOLDI | $13.5M | 143,928 | 0.20% | — |
| EMB | ISHARES TR | $13.3M | 141,944 | 0.20% | — |
| HL | HECLA MINING COMPANY | $13.2M | 709,992 | 0.20% | — |
| MOS | MOSAIC CO | $13.2M | 517,288 | 0.20% | — |
| LULU | LULULEMON ATHLETICA INC | $13.2M | 86,088 | 0.20% | — |
| UTHR | UNITED THERAPEUTICS CORP DEL | $13.1M | 22,162 | 0.20% | — |
| ADSK | AUTODESK INC | $12.8M | 53,506 | 0.19% | — |
| BX | BLACKSTONE INC | $12.1M | 105,309 | 0.18% | — |
| TQQQ | PROSHARES TR | $12.1M | 289,517 | 0.18% | — |
| TTD | THE TRADE DESK INC | $12.0M | 530,661 | 0.18% | — |
| CLS | CELESTICA INC | $12.0M | 42,744 | 0.18% | — |
| ABVX | ABIVAX SA | $11.8M | 106,143 | 0.18% | — |
| BE | BLOOM ENERGY CORP | $11.7M | 86,367 | 0.18% | — |
| LVS | LAS VEGAS SANDS CORP | $11.5M | 213,408 | 0.17% | — |
| AZO | AUTOZONE INC | $11.1M | 3,293 | 0.17% | — |
| EWY | ISHARES INC | $11.0M | 89,717 | 0.17% | — |
| GEV | GE VERNOVA INC | $10.9M | 12,483 | 0.17% | — |
| HIMS | HIMS & HERS HEALTH INC | $10.6M | 508,575 | 0.16% | — |
| GLW | CORNING INC | $10.2M | 74,888 | 0.15% | — |
| NU | NU HLDGS LTD | $9.8M | 682,706 | 0.15% | — |
| OSCR | OSCAR HEALTH INC | $9.8M | 850,444 | 0.15% | — |
| SNAP | SNAP INC | $9.7M | 2,116,196 | 0.15% | — |
| SPDN | DIREXION SHARES ETF TRUST | $9.7M | 974,315 | 0.15% | — |
| HYMC | HYCROFT MINING HOLDING CORP | $9.7M | 275,038 | 0.15% | — |
| SHOP | SHOPIFY INC | $9.7M | 81,570 | 0.15% | — |
| COIN | COINBASE GLOBAL INC | $9.6M | 54,891 | 0.15% | — |
| HUM | HUMANA INC | $9.4M | 54,214 | 0.14% | — |
| AAOI | APPLIED OPTOELECTRONICS INC | $9.4M | 110,916 | 0.14% | — |
| GNRC | GENERAC HLDGS INC | $9.4M | 47,903 | 0.14% | — |
| RBLX | ROBLOX CORP | $9.2M | 161,968 | 0.14% | — |
| FSLY | FASTLY INC | $9.2M | 315,110 | 0.14% | — |
| PATH | UIPATH INC | $9.2M | 824,472 | 0.14% | — |
| CCJ | CAMECO CORP | $9.1M | 83,577 | 0.14% | — |
| MARA | MARA HOLDINGS INC | $9.0M | 1,108,766 | 0.14% | — |
| NTR | NUTRIEN LTD | $9.0M | 118,609 | 0.14% | — |
| DUOL | DUOLINGO INC | $8.9M | 90,061 | 0.13% | — |
| KLAC | KLA CORP | $8.8M | 5,943 | 0.13% | — |
| UUP | INVESCO DB US DLR INDEX TR | $8.7M | 314,724 | 0.13% | — |
| CMCSA | COMCAST CORP NEW | $8.7M | 301,700 | 0.13% | — |
| RIOT | RIOT PLATFORMS INC | $8.6M | 699,780 | 0.13% | — |
| DELL | DELL TECHNOLOGIES INC | $8.6M | 52,182 | 0.13% | — |
| XLF | SELECT SECTOR SPDR TR | $8.6M | 173,206 | 0.13% | — |
| SCHW | SCHWAB CHARLES CORP | $8.5M | 90,663 | 0.13% | — |
| AER | AERCAP HOLDINGS NV | $8.4M | 61,520 | 0.13% | — |
| XPEV | XPENG INC | $8.4M | 490,745 | 0.13% | — |
| BITB | BITWISE BITCOIN ETF TR | $8.1M | 221,353 | 0.12% | — |
| NUGT | DIREXION SHARES ETF TRUST | $8.1M | 43,261 | 0.12% | — |
| ZM | ZOOM COMMUNICATIONS INC | $8.1M | 101,065 | 0.12% | — |
| VST | VISTRA CORP | $8.1M | 53,894 | 0.12% | — |
| DPZ | DOMINOS PIZZA INC | $8.1M | 22,461 | 0.12% | — |
| GIS | GENERAL MILLS INC | $7.9M | 211,605 | 0.12% | — |
| PSL | INVESCO EXCHANGE TRADED FD T | $7.8M | 72,244 | 0.12% | — |
| GLDM | WORLD GOLD TR | $7.8M | 84,600 | 0.12% | — |
| SDS | PROSHARES TR | $7.7M | 101,929 | 0.12% | — |
| VRSN | VERISIGN INC | $7.5M | 30,317 | 0.11% | — |
| ZS | ZSCALER INC | $7.5M | 53,596 | 0.11% | — |
| NBIS | NEBIUS GROUP N.V. | $7.5M | 71,962 | 0.11% | — |
| RACE | FERRARI N V | $7.5M | 22,022 | 0.11% | — |
| VTI | VANGUARD INDEX FDS | $7.3M | 22,822 | 0.11% | — |
| FUTU | FUTU HLDGS LTD | $7.3M | 53,327 | 0.11% | — |
| SOXX | ISHARES TR | $7.3M | 22,161 | 0.11% | — |
| CIFR | CIPHER DIGITAL INC | $7.1M | 553,740 | 0.11% | — |
| GS | GOLDMAN SACHS GROUP INC | $7.1M | 8,377 | 0.11% | — |
| NIO | NIO INC | $7.0M | 1,167,184 | 0.11% | — |
| KMB | KIMBERLY-CLARK CORP | $7.0M | 72,167 | 0.11% | — |
| BSOL | BITWISE SOLANA STAKING ETF | $6.8M | 617,062 | 0.10% | — |
This table is the 150 largest positions by value, out of 1,290 reported. The search box only searches what is on this page — a name absent from it may still be in the filing further down the book. The full info table is here.
This manager also disclosed 4660 options positions with a combined notional of $271.8B. Notional is not ownership, so it is excluded from the book value above rather than folded in to make the fund look bigger.
Rows are aggregated by CUSIP — a manager files the same security multiple times when different internal desks hold it. Tickers link to our own backtest of that asset where we cover it.
Read the original
This page was built from one document: the 2026-03-31 Form 13F info table filed by IMC-Chicago, LLC (CIK 1452861, accession 0001452861-26-000005). Every other 13F site is reading the same file.
If anything here disagrees with it, the filing wins — and we would want to know. All 13F filings by this manager
What a 13F cannot show you
A 13F is a long-only equity snapshot, and the holes in it are structural. Anyone selling you this data as "what the smart money is doing" is selling you one leg of a position:
- No short positions. None, ever. A fund shown here as bullish may be net short the same name through a book you cannot see.
- No cash, bonds, FX, commodities or non-US listings. A macro fund's entire thesis can be invisible.
- No intra-quarter round trips. Bought and sold inside the same quarter means it never appears at all.
- Options are notional, not ownership. We keep puts and calls in a separate bucket rather than adding their notional into a fund's book size, which is how a $2B fund gets reported as a $20B one.
- Confidential treatment. Managers can ask the SEC to withhold a position while they build it. Those holdings are legally absent from the filing, so a "new" position may be months old.
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