Home / Institutions / CAPSTONE INVESTMENT ADVISORS, LLC
13F holdings

CAPSTONE INVESTMENT ADVISORS, LLC portfolio

Managed by . 856 reported positions worth $12.1B as of 2026-03-31, filed with the SEC on 2026-05-15. Parsed from the filing itself, not a reseller.

$12.1B
Book value
856
Positions
58%
Top 10 weight
+327
New this quarter
-279
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 (327)
TickerIssuerValueShares% of book
WBSWEBSTER FINL CORP$59.0M849,5000.49%
EA*ELECTRONIC ARTS INC$47.9M235,0000.40%
AAALCOA CORP$36.1M543,6650.30%
CHART INDS INCCHART INDS INC$33.7M163,0000.28%
ATEC 0.75 03/15/30ALPHATEC HLDGS INC$19.3M18,800,0000.16%
RSRELIANCE INC$18.7M61,5600.15%
CWANCLEARWATER ANALYTICS HLDGS I$16.6M700,0000.14%
EXPDEXPEDITORS INTL WASH INC$15.9M111,1510.13%
EFAISHARES TR$14.6M149,9100.12%
CTRACOTERRA ENERGY INC$13.7M389,8190.11%
BRK/BBERKSHIRE HATHAWAY INC DEL$13.0M27,1070.11%
VVISA INC$12.4M41,1890.10%
APLSUSDAPELLIS PHARMACEUTICALS INC$10.1M250,0000.08%
XYZ 0.25 11/01/27BLOCK INC$10.0M10,664,0000.08%
VALVALARIS LTD$9.8M99,6430.08%
COFCAPITAL ONE FINL CORP$9.5M51,8480.08%
CAKE 2 03/15/30CHEESECAKE FACTORY INC$9.4M9,250,0000.08%
PMPHILIP MORRIS INTL INC$9.2M55,6130.08%
ORCL 6.5 01/15/29 DORACLE CORP$9.0M170,030,0000.07%
FPSFORGENT POWER SOLUTIONS INC$8.8M300,0000.07%
ACMAECOM$8.5M100,1460.07%
MSTR 0 03/01/30STRATEGY INC$7.0M7,975,0000.06%
BTIBRITISH AMERN TOB PLC$5.6M96,0000.05%
HWMHOWMET AEROSPACE INC$5.4M23,4950.04%
TECKTECK RESOURCES LTD$5.2M100,0000.04%
Closed out (279)
TickerIssuerWas worthShares% of book
XLFSELECT SECTOR SPDR TR$141.9M2,590,3780.00%
IONS 0 04/01/26IONIS PHARMACEUTICALS INC$116.7M84,949,0000.00%
ABNB 0 03/15/26AIRBNB INC$75.1M75,739,0000.00%
FYBRFRONTIER COMMUNICATIONS PARE$73.8M1,938,3110.00%
DAYDAYFORCE INC$69.5M1,005,4900.00%
XOPSPDR SERIES TRUST$60.2M477,0780.00%
SPOT 0 03/15/26SPOTIFY USA INC$59.6M52,418,0000.00%
CYBRCYBERARK SOFTWARE LTD$54.0M121,0000.00%
EXAS 0.375 03/15/27EXACT SCIENCES CORP$51.2M48,940,0000.00%
DAY 0.25 03/15/26DAYFORCE INC$46.8M47,146,0000.00%
ALRM 0 01/15/26ALARM COM HLDGS INC$46.5M46,408,0000.00%
IWMISHARES TR$45.5M184,7600.00%
TRIP 0.25 04/01/26TRIPADVISOR INC$35.0M35,604,0000.00%
RRYDER SYS INC$27.7M144,5480.00%
IREN 3.25 06/15/30IREN LIMITED$26.3M10,713,0000.00%
MUBISHARES TR$26.0M242,6010.00%
EXKEXACT SCIENCES CORP$25.5M251,3840.00%
CSTMCONSTELLIUM SE$22.5M1,194,9360.00%
MTZMASTEC INC$22.0M100,9970.00%
HYGISHARES TR$20.3M251,3700.00%
SJNKSPDR SERIES TRUST$19.3M760,7010.00%
IGIBISHARES TR$17.6M327,5010.00%
TYL 0.25 03/15/26TYLER TEX INDPT SCH DIST$16.4M16,151,0000.00%
ECHOECHOSTAR CORP$16.3M150,0000.00%
JNKSPDR SERIES TRUST$16.2M166,3010.00%
Added to (268)
TickerIssuerValueShares% of bookShares Δ
AMZNAMAZON COM INC$1.2B5,769,3109.91%+116%
MSFTMICROSOFT CORP$1.0B2,773,8978.47%+284%
LITE 1.5 12/15/29LUMENTUM HLDGS INC$752.7M74,347,0006.21%+33%
WDC 3 11/15/28WESTERN DIGITAL CORP$576.5M80,500,0004.76%+36%
TSLATESLA INC$540.6M1,454,1004.46%+59%
VOOVANGUARD INDEX FDS$511.1M855,3354.22%+3%
SPYSTATE STR SPDR S&P 500 ETF T$385.9M593,3243.18%+246%
WBDWARNER BROS DISCOVERY INC$280.2M10,205,0002.31%+172%
IDCC 3.5 06/01/27INTERDIGITAL INC$134.8M34,532,0001.11%+53%
ORCLORACLE CORP$130.1M884,1831.07%+77%
NET 0 08/15/26CLOUDFLARE INC$107.0M91,250,0000.88%+7%
BBIO 2.5 03/15/27BRIDGEBIO PHARMA INC$98.0M54,372,0000.81%+78%
MIRM 4 05/01/29MIRUM PHARMACEUTICALS INC$80.8M27,000,0000.67%+12%
CHEF 2.375 12/15/28CHEFS WHSE INC$61.2M41,411,0000.51%+25%
BMRN 1.25 05/15/27BIOMARIN PHARMACEUTICAL INC$52.3M54,243,0000.43%+55%
Trimmed (212)
TickerIssuerValueShares% of bookShares Δ
ECHO 3.875 11/30/30ECHOSTAR CORP$187.3M52,388,0001.55%-99%
MDLNMEDLINE INC$296,3706,6600.00%-99%
FDXFEDEX CORP$601,9441,6900.00%-98%
NSCNORFOLK SOUTHN CORP$926,4363,2280.01%-97%
ACNACCENTURE PLC IRELAND$313,6951,5820.00%-96%
ARMARM HOLDINGS PLC$705,2674,6620.01%-93%
HONGBPHONEYWELL INTL INC$250,4411,1080.00%-93%
FERGFERGUSON ENTERPRISES INC$205,7358820.00%-93%
DOWDOW HLDGS INC$234,4905,6300.00%-93%
OXYOCCIDENTAL PETE CORP$448,5656,9010.00%-92%
TMUST-MOBILE US INC$456,6052,1740.00%-92%
ALNYALNYLAM PHARMACEUTICALS INC$249,1457530.00%-92%
CPNGCOUPANG INC$227,07012,0270.00%-90%
AIGAMERICAN INTL GROUP INC$454,9626,0460.00%-90%
HALHALLIBURTON CO$475,36612,1920.00%-87%
The book

Largest 150 of 856 holdings

TickerIssuerValueShares% of bookShares Δ
AMZNAMAZON COM INC$1.2B5,769,3109.91%
MSFTMICROSOFT CORP$1.0B2,773,8978.47%
IVVISHARES TR$1.0B1,557,8348.40%
LITE 1.5 12/15/29LUMENTUM HLDGS INC$752.7M74,347,0006.21%
NVDANVIDIA CORPORATION$700.3M4,015,3085.78%
WDC 3 11/15/28WESTERN DIGITAL CORP$576.5M80,500,0004.76%
TSLATESLA INC$540.6M1,454,1004.46%
VOOVANGUARD INDEX FDS$511.1M855,3354.22%
SPYSTATE STR SPDR S&P 500 ETF T$385.9M593,3243.18%
WBDWARNER BROS DISCOVERY INC$280.2M10,205,0002.31%
AAPLAPPLE INC$250.3M986,3652.07%
GOOGALPHABET INC$240.6M838,6091.99%
GOOGLALPHABET INC$196.7M684,1711.62%
METAMETA PLATFORMS INC$194.0M339,0721.60%
ECHO 3.875 11/30/30ECHOSTAR CORP$187.3M52,388,0001.55%
AMDADVANCED MICRO DEVICES INC$145.6M715,9291.20%
IDCC 3.5 06/01/27INTERDIGITAL INC$134.8M34,532,0001.11%
ORCLORACLE CORP$130.1M884,1831.07%
AVGOBROADCOM INC$117.0M377,8950.97%
NET 0 08/15/26CLOUDFLARE INC$107.0M91,250,0000.88%
BBIO 2.5 03/15/27BRIDGEBIO PHARMA INC$98.0M54,372,0000.81%
MIRM 4 05/01/29MIRUM PHARMACEUTICALS INC$80.8M27,000,0000.67%
CNX 2.25 05/01/26CNX RES CORP$72.2M23,604,0000.60%
XLESELECT SECTOR SPDR TR$71.3M1,163,4600.59%
CHEF 2.375 12/15/28CHEFS WHSE INC$61.2M41,411,0000.51%
WBSWEBSTER FINL CORP$59.0M849,5000.49%
PRGS 1 04/15/26PROGRESS SOFTWARE CORP$54.0M54,019,0000.45%
CYTK 4 11/15/26CYTOKINETICS INC$53.9M8,631,0000.44%
BMRN 1.25 05/15/27BIOMARIN PHARMACEUTICAL INC$52.3M54,243,0000.43%
ASND 2.25 04/01/28ASCENDIS PHARMA A/S$51.0M34,659,0000.42%
CNMD 2.25 06/15/27CONMED CORP$51.0M52,500,0000.42%
RPD 0.25 03/15/27RAPID7 INC$50.4M53,390,0000.42%
GXOGXO LOGISTICS INCORPORATED$50.0M964,4670.41%
EA*ELECTRONIC ARTS INC$47.9M235,0000.40%
XERS 8 07/15/28XERIS BIOPHARMA HOLDINGS INC$47.2M23,074,0000.39%
PLTRPALANTIR TECHNOLOGIES INC$46.9M320,8180.39%
KVUEKENVUE INC$45.9M2,664,5930.38%
PTCT 1.5 09/15/26PTC THERAPEUTICS INC$41.6M31,200,0000.34%
EEMISHARES TR$41.4M728,9670.34%
EVRG 4.5 12/15/27EVERGY INC$40.5M30,000,0000.33%
BSY 0.375 07/01/27BENTLEY SYS INC$39.7M41,762,0000.33%
UBER 0.875 12/01/28 2028UBER TECHNOLOGIES INC$39.6M32,871,0000.33%
FXIISHARES TR$37.6M1,046,7890.31%
IBMINTERNATIONAL BUSINESS MACHS$36.8M151,7170.30%
AAALCOA CORP$36.1M543,6650.30%
KEXKIRBY CORP$35.0M263,6090.29%
CHART INDS INCCHART INDS INC$33.7M163,0000.28%
JJACOBS SOLUTIONS INC$31.8M249,9680.26%
AKAM 1.125 02/15/29AKAMAI TECHNOLOGIES INC$30.9M26,979,0000.25%
SEALTD 0.25 09/15/26SEA LTD$30.4M31,000,0000.25%
KBRKBR INC$26.5M719,4130.22%
KRESPDR SERIES TRUST$24.8M381,0430.20%
VTR 3.75 06/01/26VENTAS RLTY LTD PARTNERSHIP$23.8M16,000,0000.20%
INVA 2.125 03/15/28INNOVIVA INC$22.8M21,000,0000.19%
MARA 2.125 09/01/31MARA HOLDINGS INC$22.4M26,327,0000.19%
UBERUBER TECHNOLOGIES INC$22.3M310,0310.18%
LULULULULEMON ATHLETICA INC$22.1M144,3170.18%
FLRFLUOR CORP$22.0M471,9370.18%
MSTR 2.25 06/15/32STRATEGY INC$21.0M20,500,0000.17%
ATEC 0.75 08/01/26ALPHATEC HLDGS INC$20.7M20,904,0000.17%
ADBEADOBE INC$20.6M84,7150.17%
MAMASTERCARD INCORPORATED$20.2M40,3420.17%
POST 2.5 08/15/27POST HLDGS INC$20.1M18,500,0000.17%
LRN 1.125 09/01/27STRIDE INC$19.8M11,500,0000.16%
ATEC 0.75 03/15/30ALPHATEC HLDGS INC$19.3M18,800,0000.16%
RSRELIANCE INC$18.7M61,5600.15%
FLR 1.125 08/15/29FLUOR CORP$18.5M15,000,0000.15%
SO 4.5 06/15/27SOUTHERN CO$18.3M16,500,0000.15%
QQQINVESCO QQQ TR$18.2M31,4880.15%
MUMICRON TECHNOLOGY INC$18.0M53,3920.15%
CMECME GROUP INC$17.9M60,6200.15%
HOODROBINHOOD MKTS INC$17.7M256,0540.15%
CRWVCOREWEAVE INC$17.6M227,1310.15%
FE 4 05/01/26FIRSTENERGY CORP$17.5M16,000,0000.14%
CEGCONSTELLATION ENERGY CORP$16.9M60,4850.14%
PANWPALO ALTO NETWORKS INC$16.6M103,7910.14%
CWANCLEARWATER ANALYTICS HLDGS I$16.6M700,0000.14%
AKAM 0.375 09/01/27AKAMAI TECHNOLOGIES INC$16.4M14,110,0000.14%
TSMTAIWAN SEMICONDUCTOR MANUFAC$16.1M47,6480.13%
EXPDEXPEDITORS INTL WASH INC$15.9M111,1510.13%
WLKWESTLAKE CORPORATION$15.9M135,8080.13%
VSTVISTRA CORP$15.7M104,4930.13%
MARA 0 03/01/30MARA HOLDINGS INC$15.5M17,500,0000.13%
FRPT 3 04/01/28FRESHPET INC$15.0M13,000,0000.12%
JPMJPMORGAN CHASE & CO$14.8M50,4440.12%
QCOMQUALCOMM INC$14.8M115,0810.12%
EFAISHARES TR$14.6M149,9100.12%
BXBLACKSTONE INC$14.5M125,9470.12%
FLSFLOWSERVE CORP$14.4M196,0750.12%
BABOEING CO$14.1M71,0060.12%
CLCOLGATE PALMOLIVE CO$14.1M165,0750.12%
CTRACOTERRA ENERGY INC$13.7M389,8190.11%
XLKSELECT SECTOR SPDR TR$13.4M101,0460.11%
BRK/BBERKSHIRE HATHAWAY INC DEL$13.0M27,1070.11%
KKRKKR & CO INC$12.8M138,2910.11%
VVISA INC$12.4M41,1890.10%
CLSK 0 06/15/30CLEANSPARK INC$12.3M12,666,0000.10%
BACBANK AMERICA CORP$11.8M242,8970.10%
MMYT 0 02/15/28MAKEMYTRIP LIMITED MAURITIUS$11.7M10,000,0000.10%
MSTR 0.625 03/15/30STRATEGY INC$11.5M10,000,0000.10%
METC 0 11/01/31RAMACO RES INC$10.7M14,000,0000.09%
FOXFOX CORP$10.6M200,0000.09%
APOAPOLLO GLOBAL MGMT INC$10.3M92,7430.09%
LYBLYONDELLBASELL INDUSTRIES NV$10.1M125,4000.08%
APLSUSDAPELLIS PHARMACEUTICALS INC$10.1M250,0000.08%
XYZ 0.25 11/01/27BLOCK INC$10.0M10,664,0000.08%
QTWO 0.75 06/01/26Q2 HLDGS INC$10.0M10,000,0000.08%
COINCOINBASE GLOBAL INC$9.9M56,4580.08%
SBUXSTARBUCKS CORP$9.9M109,9930.08%
NFLXNETFLIX INC.$9.8M102,3850.08%
NOWSERVICENOW INC$9.8M94,1190.08%
INTCINTEL CORP$9.8M221,7550.08%
VALVALARIS LTD$9.8M99,6430.08%
COFCAPITAL ONE FINL CORP$9.5M51,8480.08%
CAKE 2 03/15/30CHEESECAKE FACTORY INC$9.4M9,250,0000.08%
WFCWELLS FARGO & CO$9.3M116,3570.08%
MARA 0 06/01/31MARA HOLDINGS INC$9.2M10,000,0000.08%
PMPHILIP MORRIS INTL INC$9.2M55,6130.08%
EWYISHARES INC$9.2M74,6780.08%
GH 0 11/15/27GUARDANT HEALTH INC$9.0M8,745,0000.07%
ORCL 6.5 01/15/29 DORACLE CORP$9.0M170,030,0000.07%
FPSFORGENT POWER SOLUTIONS INC$8.8M300,0000.07%
ACMAECOM$8.5M100,1460.07%
ABTABBOTT LABORATORIES$8.2M80,2590.07%
INTUINTUIT$8.2M18,9490.07%
HO1HOLOGIC INC$8.2M108,0000.07%
RIVN 3.625 10/15/30RIVIAN AUTOMOTIVE INC$8.2M8,500,0000.07%
ASAASA GOLD AND PRECIOUS MTLS L$8.0M129,1340.07%
MSTRSTRATEGY INC$7.9M63,3940.07%
ITRI 1.375 07/15/30ITRON INC$7.6M7,500,0000.06%
MRVLMARVELL TECHNOLOGY INC$7.5M76,1970.06%
XBISPDR SERIES TRUST$7.4M57,9150.06%
CYTK 3.5 07/01/27CYTOKINETICS INC$7.3M5,000,0000.06%
MSTR 0 12/01/29STRATEGY INC$7.1M8,500,0000.06%
XGDVXGABELLI DIVID & INCOME TR$7.1M262,2420.06%
MNSTMONSTER BEVERAGE CORP NEW$7.1M97,3050.06%
MSTR 0 03/01/30STRATEGY INC$7.0M7,975,0000.06%
PGPROCTER & GAMBLE CO$7.0M48,3550.06%
NFJVIRTUS DIVIDEND INTEREST & P$6.6M526,6720.05%
NBXGNEUBERGER NEXT GENERATION$6.3M488,6810.05%
JBLU 2.5 09/01/29JETBLUE AIRWAYS CORP$6.3M6,500,0000.05%
RTXRTX CORPORATION$6.1M31,4030.05%
HDHOME DEPOT INC$6.0M18,3650.05%
CMGCHIPOTLE MEXICAN GRILL INC$5.9M183,6950.05%
BTIBRITISH AMERN TOB PLC$5.6M96,0000.05%
GSGOLDMAN SACHS GROUP INC$5.5M6,4430.04%
HWMHOWMET AEROSPACE INC$5.4M23,4950.04%
SPGIS&P GLOBAL INC$5.3M12,4010.04%
LHXL3HARRIS TECHNOLOGIES INC$5.3M15,2490.04%
TECKTECK RESOURCES LTD$5.2M100,0000.04%

This table is the 150 largest positions by value, out of 856 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 702 options positions with a combined notional of $45.3B. 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 CAPSTONE INVESTMENT ADVISORS, LLC (CIK 1426196, accession 0001426196-26-000003). 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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