13F holdings
Rubric Capital Management LP portfolio
Managed by . 82 reported positions worth $8.2B as of 2026-03-31, filed with the SEC on 2026-05-15. Parsed from the filing itself, not a reseller.
$8.2B
Book value
82
Positions
52%
Top 10 weight
+16
New this quarter
-10
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 45 days old on 2026-05-15, 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 (16)
| Ticker | Issuer | Value | Shares | % of book |
|---|---|---|---|---|
| ZM | ZOOM COMMUNICATIONS INC | $80.5M | 1,001,006 | 0.99% |
| AMCR | AMCOR PLC | $50.5M | 1,269,396 | 0.62% |
| PTGX | PROTAGONIST THERAPEUTICS INC | $45.1M | 427,998 | 0.55% |
| DRVN | DRIVEN BRANDS HLDGS INC | $37.8M | 3,000,000 | 0.46% |
| CALAVO GROWERS INC | CALAVO GROWERS INC | $36.5M | 1,416,662 | 0.45% |
| VISN | VISTANCE NETWORKS INC | $36.4M | 2,000,000 | 0.45% |
| BMRN | BIOMARIN PHARMACEUTICAL INC | $24.9M | 440,560 | 0.30% |
| AVO | MISSION PRODUCE INC | $23.8M | 1,726,447 | 0.29% |
| VG | VENTURE GLOBAL INC | $23.6M | 1,500,000 | 0.29% |
| INDV | INDIVIOR PHARMACEUTICALS INC | $20.2M | 662,515 | 0.25% |
| ADMA | ADMA BIOLOGICS INC | $16.3M | 1,809,408 | 0.20% |
| DNOW | DNOW INC | $15.1M | 1,267,527 | 0.18% |
| ARDX | ARDELYX INC | $11.1M | 1,860,896 | 0.14% |
| AERO | GRUPO AEROMEXICO SAB DE CV | $6.5M | 467,129 | 0.08% |
| EPRX | EUPRAXIA PHARMACEUTICALS INC | $5.0M | 691,170 | 0.06% |
| PFSI | PENNYMAC FINL SVCS INC NEW | $4.8M | 54,727 | 0.06% |
Closed out (10)
| Ticker | Issuer | Was worth | Shares | % of book |
|---|---|---|---|---|
| FLR | FLUOR CORP NEW | $164.2M | 4,143,808 | 0.00% |
| EOSE | EOS ENERGY ENTERPRISES INC | $74.5M | 6,500,000 | 0.00% |
| ADM | ARCHER DANIELS MIDLAND CO | $63.3M | 1,101,583 | 0.00% |
| BG | BUNGE GLOBAL SA | $60.3M | 676,510 | 0.00% |
| GPK | GRAPHIC PACKAGING HLDG CO | $30.1M | 2,000,000 | 0.00% |
| NFE | NEW FORTRESS ENERGY INC | $27.0M | 23,701,399 | 0.00% |
| DAR | DARLING INGREDIENTS INC | $24.5M | 680,827 | 0.00% |
| INDV | INDIVIOR PLC | $17.9M | 498,527 | 0.00% |
| SW | SMURFIT WESTROCK PLC | $15.5M | 400,000 | 0.00% |
| STUB | STUBHUB HLDGS INC | $10.6M | 784,854 | 0.00% |
Added to (25)
| Ticker | Issuer | Value | Shares | % of book | Shares Δ |
|---|---|---|---|---|---|
| VTRS | VIATRIS INC | $452.6M | 33,500,000 | 5.54% | +31% |
| BGC | BGC GROUP INC | $227.9M | 23,300,000 | 2.79% | +11% |
| CEG | CONSTELLATION ENERGY CORP | $199.7M | 715,000 | 2.45% | +7% |
| MCY | MERCURY GENL CORP NEW | $189.9M | 2,154,504 | 2.33% | +5% |
| KNSA | KINIKSA PHARMACEUTICALS INTL | $180.6M | 3,750,000 | 2.21% | +13% |
| ZYME | ZYMEWORKS INC | $175.3M | 7,000,000 | 2.15% | +22% |
| AKAM | AKAMAI TECHNOLOGIES INC | $149.3M | 1,300,000 | 1.83% | +8% |
| LBTYA | LIBERTY GLOBAL LTD | $142.1M | 11,752,855 | 1.74% | +17% |
| LILAK | LIBERTY LATIN AMERICA LTD | $135.8M | 15,395,430 | 1.66% | +44% |
| CMPR | CIMPRESS PLC | $118.9M | 1,629,419 | 1.46% | +7% |
| LBTYK | LIBERTY GLOBAL LTD | $108.6M | 9,259,361 | 1.33% | +51% |
| EPC | EDGEWELL PERSONAL CARE CO | $85.4M | 4,000,000 | 1.05% | +297% |
| GIL | GILDAN ACTIVEWEAR INC | $77.7M | 1,395,790 | 0.95% | +444% |
| SDGR | SCHRODINGER INC | $68.2M | 6,000,000 | 0.84% | +44% |
| SPRY | ARS PHARMACEUTICALS INC | $64.2M | 8,000,000 | 0.79% | +29% |
Trimmed (14)
| Ticker | Issuer | Value | Shares | % of book | Shares Δ |
|---|---|---|---|---|---|
| PRLB | PROTO LABS INC | $27.7M | 486,400 | 0.34% | -57% |
| MNKD | MANNKIND CORP | $8.9M | 3,620,413 | 0.11% | -52% |
| COMP | COMPASS INC | $27.4M | 3,746,848 | 0.34% | -46% |
| ROIV | ROIVANT SCIENCES LTD | $138.5M | 5,000,000 | 1.70% | -44% |
| FTAI | FTAI AVIATION LTD | $631.2M | 2,576,186 | 7.73% | -30% |
| TEVA | TEVA PHARMACEUTICAL INDS LTD | $459.3M | 15,250,000 | 5.63% | -29% |
| VST | VISTRA CORP | $225.5M | 1,500,000 | 2.76% | -25% |
| PRMB | PRIMO BRANDS CORPORATION | $52.4M | 2,782,404 | 0.64% | -23% |
| ANDE | ANDERSONS INC | $61.4M | 855,819 | 0.75% | -15% |
| COLL | COLLEGIUM PHARMACEUTICAL INC | $42.3M | 1,279,611 | 0.52% | -14% |
| ECVT | ECOVYST INC | $117.5M | 9,136,067 | 1.44% | -13% |
| QDEL | QUIDELORTHO CORP | $54.3M | 3,306,281 | 0.67% | -12% |
| AMRX | AMNEAL PHARMACEUTICALS INC | $137.2M | 11,037,589 | 1.68% | -11% |
| TRVI | TREVI THERAPEUTICS INC | $44.3M | 3,712,373 | 0.54% | -1% |
The book
All reported holdings
| Ticker | Issuer | Value | Shares | % of book | Shares Δ |
|---|---|---|---|---|---|
| TLN | TALEN ENERGY CORP | $1.1B | 3,602,171 | 14.09% | — |
| FTAI | FTAI AVIATION LTD | $631.2M | 2,576,186 | 7.73% | — |
| GLNG | GOLAR LNG LTD | $496.7M | 9,178,978 | 6.08% | — |
| TEVA | TEVA PHARMACEUTICAL INDS LTD | $459.3M | 15,250,000 | 5.63% | — |
| VTRS | VIATRIS INC | $452.6M | 33,500,000 | 5.54% | — |
| TAC | TRANSALTA CORP | $232.9M | 17,781,325 | 2.85% | — |
| BGC | BGC GROUP INC | $227.9M | 23,300,000 | 2.79% | — |
| VST | VISTRA CORP | $225.5M | 1,500,000 | 2.76% | — |
| CEG | CONSTELLATION ENERGY CORP | $199.7M | 715,000 | 2.45% | — |
| ARQT | ARCUTIS BIOTHERAPEUTICS INC | $194.9M | 8,271,577 | 2.39% | — |
| MCY | MERCURY GENL CORP NEW | $189.9M | 2,154,504 | 2.33% | — |
| KNSA | KINIKSA PHARMACEUTICALS INTL | $180.6M | 3,750,000 | 2.21% | — |
| ZYME | ZYMEWORKS INC | $175.3M | 7,000,000 | 2.15% | — |
| AKAM | AKAMAI TECHNOLOGIES INC | $149.3M | 1,300,000 | 1.83% | — |
| LBTYA | LIBERTY GLOBAL LTD | $142.1M | 11,752,855 | 1.74% | — |
| ROIV | ROIVANT SCIENCES LTD | $138.5M | 5,000,000 | 1.70% | — |
| AMRX | AMNEAL PHARMACEUTICALS INC | $137.2M | 11,037,589 | 1.68% | — |
| LILAK | LIBERTY LATIN AMERICA LTD | $135.8M | 15,395,430 | 1.66% | — |
| DK | DELEK US HLDGS INC NEW | $121.1M | 2,687,449 | 1.48% | — |
| CMPR | CIMPRESS PLC | $118.9M | 1,629,419 | 1.46% | — |
| ECVT | ECOVYST INC | $117.5M | 9,136,067 | 1.44% | — |
| LBTYK | LIBERTY GLOBAL LTD | $108.6M | 9,259,361 | 1.33% | — |
| ADEA | ADEIA INC | $102.9M | 4,284,205 | 1.26% | — |
| EPC | EDGEWELL PERSONAL CARE CO | $85.4M | 4,000,000 | 1.05% | — |
| ZM | ZOOM COMMUNICATIONS INC | $80.5M | 1,001,006 | 0.99% | — |
| TDS | TELEPHONE & DATA SYS INC | $77.9M | 1,850,000 | 0.95% | — |
| GIL | GILDAN ACTIVEWEAR INC | $77.7M | 1,395,790 | 0.95% | — |
| IART | INTEGRA LIFESCIENCES HLDGS C | $73.0M | 7,753,934 | 0.89% | — |
| SDGR | SCHRODINGER INC | $68.2M | 6,000,000 | 0.84% | — |
| SPRY | ARS PHARMACEUTICALS INC | $64.2M | 8,000,000 | 0.79% | — |
| GEO | GEO GROUP INC | $62.9M | 3,743,180 | 0.77% | — |
| SSYS | STRATASYS LTD | $62.5M | 8,000,000 | 0.77% | — |
| ANDE | ANDERSONS INC | $61.4M | 855,819 | 0.75% | — |
| MGTX | MEIRAGTX HLDGS PLC | $60.6M | 7,000,000 | 0.74% | — |
| ENOV | ENOVIS CORPORATION | $55.8M | 2,453,265 | 0.68% | — |
| OPK | OPKO HEALTH INC | $54.5M | 47,791,243 | 0.67% | — |
| QDEL | QUIDELORTHO CORP | $54.3M | 3,306,281 | 0.67% | — |
| PRMB | PRIMO BRANDS CORPORATION | $52.4M | 2,782,404 | 0.64% | — |
| NWL | NEWELL BRANDS INC | $52.3M | 15,257,431 | 0.64% | — |
| AMCR | AMCOR PLC | $50.5M | 1,269,396 | 0.62% | — |
| RNW | RENEW ENERGY GLOBAL PLC | $50.4M | 11,000,000 | 0.62% | — |
| PRTA | PROTHENA CORP PLC | $48.6M | 5,000,000 | 0.60% | — |
| PTGX | PROTAGONIST THERAPEUTICS INC | $45.1M | 427,998 | 0.55% | — |
| TRVI | TREVI THERAPEUTICS INC | $44.3M | 3,712,373 | 0.54% | — |
| OFIX | ORTHOFIX MED INC | $42.7M | 3,721,715 | 0.52% | — |
| COLL | COLLEGIUM PHARMACEUTICAL INC | $42.3M | 1,279,611 | 0.52% | — |
| CXW | CORECIVIC INC | $38.9M | 2,059,216 | 0.48% | — |
| NRIX | NURIX THERAPEUTICS INC | $38.3M | 2,473,885 | 0.47% | — |
| DRVN | DRIVEN BRANDS HLDGS INC | $37.8M | 3,000,000 | 0.46% | — |
| CALAVO GROWERS INC | CALAVO GROWERS INC | $36.5M | 1,416,662 | 0.45% | — |
| CRI | CARTERS INC | $36.4M | 1,018,853 | 0.45% | — |
| VISN | VISTANCE NETWORKS INC | $36.4M | 2,000,000 | 0.45% | — |
| MATV | MATIV HOLDINGS INC | $34.6M | 3,982,442 | 0.42% | — |
| LILA | LIBERTY LATIN AMERICA LTD | $32.4M | 3,750,000 | 0.40% | — |
| TSAT | TELESAT CORP | $30.5M | 843,781 | 0.37% | — |
| ABUS | ARBUTUS BIOPHARMA CORP | $29.8M | 6,626,389 | 0.37% | — |
| PRLB | PROTO LABS INC | $27.7M | 486,400 | 0.34% | — |
| COMP | COMPASS INC | $27.4M | 3,746,848 | 0.34% | — |
| BMRN | BIOMARIN PHARMACEUTICAL INC | $24.9M | 440,560 | 0.30% | — |
| HRTX | HERON THERAPEUTICS INC | $24.0M | 30,046,828 | 0.29% | — |
| AVO | MISSION PRODUCE INC | $23.8M | 1,726,447 | 0.29% | — |
| VG | VENTURE GLOBAL INC | $23.6M | 1,500,000 | 0.29% | — |
| XPER | XPERI INC | $23.2M | 4,143,744 | 0.28% | — |
| TH | TARGET HOSPITALITY CORP | $20.3M | 2,189,456 | 0.25% | — |
| INDV | INDIVIOR PHARMACEUTICALS INC | $20.2M | 662,515 | 0.25% | — |
| ACHC | ACADIA HEALTHCARE COMPANY IN | $19.9M | 850,000 | 0.24% | — |
| ADMA | ADMA BIOLOGICS INC | $16.3M | 1,809,408 | 0.20% | — |
| DNOW | DNOW INC | $15.1M | 1,267,527 | 0.18% | — |
| SEG | SEAPORT ENTMT GROUP INC | $12.2M | 568,530 | 0.15% | — |
| CPRI | CAPRI HOLDINGS LIMITED | $11.9M | 675,000 | 0.15% | — |
| ARDX | ARDELYX INC | $11.1M | 1,860,896 | 0.14% | — |
| EMBC | EMBECTA CORP | $9.2M | 1,037,416 | 0.11% | — |
| MNKD | MANNKIND CORP | $8.9M | 3,620,413 | 0.11% | — |
| AERO | GRUPO AEROMEXICO SAB DE CV | $6.5M | 467,129 | 0.08% | — |
| HELE | HELEN OF TROY LTD | $5.3M | 366,226 | 0.06% | — |
| MREO | MEREO BIOPHARMA GROUP PLC | $5.1M | 15,307,347 | 0.06% | — |
| EPRX | EUPRAXIA PHARMACEUTICALS INC | $5.0M | 691,170 | 0.06% | — |
| PFSI | PENNYMAC FINL SVCS INC NEW | $4.8M | 54,727 | 0.06% | — |
| EDSA | EDESA BIOTECH INC | $3.6M | 687,500 | 0.04% | — |
| TXMD | THERAPEUTICSMD INC | $2.4M | 1,192,191 | 0.03% | — |
| OPK 3.75 01/15/29 | OPKO HEALTH INC | $1.5M | 1,250,000 | 0.02% | — |
| MYPS | PLAYSTUDIOS INC | $1.3M | 2,697,384 | 0.02% | — |
This manager also disclosed 1 options positions with a combined notional of $1.3B. 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 Rubric Capital Management LP (CIK 1687509, accession 0001104659-26-062466). 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.
Tested and published by IndicatorEdge · backtest grid generated 2026-06-25 · base rates recomputed 2026-07-31 · how we test
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