Rubric Capital Management LP 13F holdings
Rubric Capital Management LP reported 84 positions with a total reported value of $10.9B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-14. Top holdings by reported value: TLN TALEN ENERGY CORP (12.7%), FTAI FTAI AVIATION LTD (7.4%), VTRS VIATRIS INC (5.0%), TEVA TEVA PHARMACEUTICAL INDS LTD (4.8%), GLNG GOLAR LNG LTD (4.2%). Against 2026-03-31 it opened 18 new positions and exited 13. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 84 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| TLN TALEN ENERGY CORP | 3,602,171 | $1.4B | 12.7% |
| FTAI FTAI AVIATION LTD | 3,000,000 | $811.6M | 7.4% |
| VTRS VIATRIS INC | 34,168,743 | $542.6M | 5.0% |
| TEVA TEVA PHARMACEUTICAL INDS LTD | 15,575,000 | $527.7M | 4.8% |
| GLNG GOLAR LNG LTD | 9,178,978 | $457.5M | 4.2% |
| VST VISTRA CORP | 1,794,953 | $284.7M | 2.6% |
| TAC TRANSALTA CORP | 20,232,011 | $279.8M | 2.6% |
| FLR FLUOR CORP | 5,017,248 | $262.9M | 2.4% |
| KNSA KINIKSA PHARMACEUTICALS INTL | 3,999,800 | $255.8M | 2.3% |
| BGC BGC GROUP INC | 23,800,000 | $254.4M | 2.3% |
| ZM ZOOM COMMUNICATIONS INC | 2,766,009 | $238.7M | 2.2% |
| LBTYA LIBERTY GLOBAL LTD | 21,012,216 | $235.5M | 2.2% |
| GIL GILDAN ACTIVEWEAR INC | 4,500,000 | $232.2M | 2.1% |
| ARQT ARCUTIS BIOTHERAPEUTICS INC | 8,271,577 | $216.9M | 2.0% |
| AMZN AMAZON COM INC | 900,000 | $214.5M | 2.0% |
| ROIV ROIVANT SCIENCES LTD | 6,000,000 | $212.3M | 1.9% |
| ZYME ZYMEWORKS INC | 7,000,000 | $183.0M | 1.7% |
| AMCR AMCOR PLC | 4,162,030 | $180.4M | 1.7% |
| CMPR CIMPRESS PLC | 1,750,000 | $178.0M | 1.6% |
| AMRX AMNEAL PHARMACEUTICALS INC | 10,168,660 | $176.0M | 1.6% |
| NRIX NURIX THERAPEUTICS INC | 7,227,778 | $175.3M | 1.6% |
| MERCURY GENL CORP NEW | 1,541,440 | $164.3M | 1.5% |
| LILA LIBERTY LATIN AMERICA LTD | 19,423,084 | $151.5M | 1.4% |
| PENNYMAC FINL SVCS INC NEW | 1,700,000 | $148.1M | 1.4% |
| IART INTEGRA LIFESCIENCES HLDGS C | 7,753,934 | $139.3M | 1.3% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 18 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| FLR FLUOR CORP | 5,017,248 | $262.9M | 2.4% |
| AMZN AMAZON COM INC | 900,000 | $214.5M | 2.0% |
| SONOCO PRODS CO | 1,143,562 | $64.4M | 0.6% |
| STUB STUBHUB HLDGS INC | 5,000,000 | $64.3M | 0.6% |
| GLXY GALAXY DIGITAL INC. | 2,343,169 | $64.1M | 0.6% |
| ESTA ESTABLISHMENT LABS HLDGS INC | 688,325 | $59.1M | 0.5% |
| ALVO ALVOTECH | 15,677,093 | $57.8M | 0.5% |
| VGNT VERSIGENT PLC | 855,163 | $35.9M | 0.3% |
| TRIP TRIPADVISOR INC | 2,439,110 | $33.4M | 0.3% |
| BHVN BIOHAVEN LTD | 1,721,493 | $25.6M | 0.2% |
| ANIP ANI PHARMACEUTICALS INC | 258,131 | $21.4M | 0.2% |
| QURE UNIQURE NV | 408,581 | $18.8M | 0.2% |
| HPP HUDSON PACIFIC PROPERTIES IN | 1,019,598 | $15.5M | 0.1% |
| GDS GDS HLDGS LTD | 485,873 | $14.6M | 0.1% |
| OMER OMEROS CORP | 656,874 | $6.2M | <0.1% |
| ABEO ABEONA THERAPEUTICS INC | 608,771 | $3.8M | <0.1% |
| TTI TETRA TECHNOLOGIES INC DEL | 150,000 | $1.7M | <0.1% |
| SERVICE PPTYS TR | 900,000 | $1.5M | <0.1% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 13 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| CEG CONSTELLATION ENERGY CORP | 715,000 | $199.7M | 2.4% |
| AKAM AKAMAI TECHNOLOGIES INC | 1,300,000 | $149.3M | 1.8% |
| TDS TELEPHONE & DATA SYS INC | 1,850,000 | $77.9M | 1.0% |
| PTGX PROTAGONIST THERAPEUTICS INC | 427,998 | $45.1M | 0.6% |
| CALAVO GROWERS INC | 1,416,662 | $36.5M | 0.4% |
| TSAT TELESAT CORP | 843,781 | $30.5M | 0.4% |
| BMRN BIOMARIN PHARMACEUTICAL INC | 440,560 | $24.9M | 0.3% |
| INDV INDIVIOR PHARMACEUTICALS INC | 662,515 | $20.2M | 0.2% |
| ACHC ACADIA HEALTHCARE COMPANY IN | 850,000 | $19.9M | 0.2% |
| CPRI CAPRI HOLDINGS LIMITED | 675,000 | $11.9M | 0.1% |
| EMBC EMBECTA CORP | 1,037,416 | $9.2M | 0.1% |
| HELE HELEN OF TROY LTD | 366,226 | $5.3M | <0.1% |
| MYPS PLAYSTUDIOS INC | 2,697,384 | $1.3M | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| GIL GILDAN ACTIVEWEAR INC | 1,395,790 | 4,500,000 | +222.4% | $232.2M |
| ZM ZOOM COMMUNICATIONS INC | 1,001,006 | 2,766,009 | +176.3% | $238.7M |
| PENNYMAC FINL SVCS INC NEW | 54,727 | 1,700,000 | +3,006.3% | $148.1M |
| AMCR AMCOR PLC | 1,269,396 | 4,162,030 | +227.9% | $180.4M |
| NRIX NURIX THERAPEUTICS INC | 2,473,885 | 7,227,778 | +192.2% | $175.3M |
| FTAI FTAI AVIATION LTD | 2,576,186 | 3,000,000 | +16.5% | $811.6M |
| ARDX ARDELYX INC | 1,860,896 | 16,202,700 | +770.7% | $82.6M |
| ADMA ADMA BIOLOGICS INC | 1,809,408 | 9,339,414 | +416.2% | $78.2M |
| MNKD MANNKIND CORP | 3,620,413 | 18,000,000 | +397.2% | $76.7M |
| COMP COMPASS INC | 3,746,848 | 8,218,394 | +119.3% | $101.3M |
| AVO MISSION PRODUCE INC | 1,726,447 | 5,981,953 | +246.5% | $70.5M |
| VST VISTRA CORP | 1,500,000 | 1,794,953 | +19.7% | $284.7M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| ADEA ADEIA INC | 4,284,205 | 2,126,633 | -50.4% | $70.0M |
| MERCURY GENL CORP NEW | 2,154,504 | 1,541,440 | -28.5% | $164.3M |
| CRI CARTERS INC | 1,018,853 | 86,844 | -91.5% | $3.6M |
| PRLB PROTO LABS INC | 486,400 | 108,692 | -77.7% | $8.9M |
| TRVI TREVI THERAPEUTICS INC | 3,712,373 | 2,504,513 | -32.5% | $46.7M |
| AMRX AMNEAL PHARMACEUTICALS INC | 11,037,589 | 10,168,660 | -7.9% | $176.0M |
| EPC EDGEWELL PERSONAL CARE CO | 4,000,000 | 3,544,465 | -11.4% | $95.2M |
| ECVT ECOVYST INC | 9,136,067 | 8,211,888 | -10.1% | $102.2M |
| PRMB PRIMO BRANDS CORPORATION | 2,782,404 | 2,672,231 | -4.0% | $65.3M |
| EDSA EDESA BIOTECH INC | 687,500 | 669,500 | -2.6% | $5.4M |
CIK 1687509 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
More 13F data
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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