Rubric Capital Management LP's Q2 2025 13F: 7 new positions, 9 exits

Form 13F-HR for the quarter ended Jun 30, 2025 · filed Aug 14, 2025 · 62 reported positions · accession 0001104659-25-078662

What changed this quarter

Rubric Capital Management LP's changes in reported equity positions, Q2 2025
Activity Security Weight before Weight now Change Shares Shares %
Reduced TALEN ENERGY CORP (TLN) 21.9% 21.1% −0.8 pts −1.62M sh −26%
New FLUOR CORP NEW (FLR) — 3.3% +3.3 pts +4M sh new
New VIATRIS INC (VTRS) — 1.7% +1.7 pts +12M sh new
Increased VISTRA CORP (VST) 2.0% 4.4% +2.5 pts +479K sh +51%
Reduced MR COOPER GROUP INC (COOP) 2.0% 0.8% −1.2 pts −584K sh −63%
Increased FTAI AVIATION LTD (FTAI) 5.3% 6.3% +1.0 pts +749K sh +28%
Exited FLAGSTAR FINANCIAL INC (FLG) 1.3% — −1.3 pts −6.43M sh −100%
Reduced ADAPTIVE BIOTECHNOLOGIES COR (ADPT) 1.7% 1.2% −0.6 pts −6.86M sh −52%
Exited DOLE PLC (DOLE) 1.1% — −1.1 pts −4.16M sh −100%
Exited WALGREENS BOOTS ALLIANCE INC (WBA) 1.0% — −1.0 pts −5.01M sh −100%
Exited PEDIATRIX MEDICAL GROUP INC (MD) 0.8% — −0.8 pts −3.13M sh −100%
New PG&E CORP (PCG) — 0.8% +0.8 pts +3.6M sh new
Reduced QUIDELORTHO CORP (QDEL) 3.8% 2.2% −1.7 pts −1.5M sh −24%
Exited PHOTRONICS INC (PLAB) 0.7% — −0.7 pts −1.86M sh −100%
Increased TRANSALTA CORP (TAC) 2.0% 2.8% +0.8 pts +3.95M sh +33%
Exited SILICON MOTION TECHNOLOGY CO (SIMO) 0.6% — −0.6 pts −701K sh −100%
New ECOVYST INC (ECVT) — 0.6% +0.6 pts +4.71M sh new
Increased PROTO LABS INC (PRLB) 0.1% 0.7% +0.6 pts +918K sh +792%
Increased INTEGRA LIFESCIENCES HLDGS C (IART) 1.8% 1.5% −0.4 pts +2.71M sh +58%
Increased ROIVANT SCIENCES LTD (ROIV) 3.2% 3.7% +0.5 pts +2.6M sh +15%
Exited PARAGON 28 INC (FNA) 0.4% — −0.4 pts −1.88M sh −100%
New CIMPRESS PLC (CMPR) — 0.4% +0.4 pts +561K sh new
New SUPERNUS PHARMACEUTICALS INC (SUPN) — 0.4% +0.4 pts +695K sh new
Increased TREVI THERAPEUTICS INC (TRVI) 0.5% 0.8% +0.2 pts +3.99M sh +88%
New CONSTELLATION ENERGY CORP (CEG) — 0.3% +0.3 pts +54,507 sh new
Increased INDIVIOR PLC (INDV) 0.6% 1.1% +0.5 pts +1.12M sh +32%
Increased MERCURY GENL CORP NEW (MCY) 1.8% 2.2% +0.4 pts +233K sh +13%
Increased KINIKSA PHARMACEUTICALS INTL (KNSA) 1.3% 1.7% +0.4 pts +527K sh +16%
Increased STRATASYS LTD (SSYS) 1.2% 1.4% +0.3 pts +1.21M sh +18%
Increased GEO GROUP INC NEW (GEO) 0.4% 0.5% +0.1 pts +572K sh +85%
Increased ANI PHARMACEUTICALS INC (ANIP) 0.1% 0.3% +0.2 pts +201K sh +355%
Increased CANNAE HLDGS INC (CNNE) 0.5% 0.7% +0.2 pts +616K sh +41%
Increased MEIRAGTX HLDGS PLC (MGTX) 0.2% 0.4% +0.2 pts +1.95M sh +110%
Increased ALIGHT INC (ALIT) 1.9% 1.8% −0.1 pts +1.91M sh +11%
Increased CORECIVIC INC (CXW) 0.1% 0.3% +0.1 pts +421K sh +107%
Increased GOLAR LNG LTD (GLNG) 6.1% 6.1% 0.0 pts +204K sh +2%
Increased AMNEAL PHARMACEUTICALS INC (AMRX) 1.6% 1.5% −0.1 pts +974K sh +9%
Exited OMNIAB INC (OABI) 0.1% — −0.1 pts −2.85M sh −100%
Increased TEVA PHARMACEUTICAL INDS LTD (TEVA) 7.0% 7.0% 0.0 pts +450K sh +2%
Increased ZEVRA THERAPEUTICS INC (ZVRA) 0.2% 0.3% +0.1 pts +741K sh +61%
Increased ZYMEWORKS INC (ZYME) 0.9% 1.0% 0.0 pts +372K sh +9%
Increased COLLEGIUM PHARMACEUTICAL INC (COLL) 1.6% 1.5% −0.1 pts +158K sh +5%
Increased ARS PHARMACEUTICALS INC (SPRY) 0.2% 0.4% +0.1 pts +266K sh +26%
Increased SCHRODINGER INC (SDGR) 1.7% 1.6% −0.1 pts +200K sh +4%
Reduced COHERUS ONCOLOGY INC (CHRS) 0.1% 0.0% −0.1 pts −4.39M sh −83%
Reduced LIBERTY GLOBAL LTD (LBTYA) 1.2% 0.9% −0.3 pts −310K sh −5%
Reduced ARCUTIS BIOTHERAPEUTICS INC (ARQT) 3.1% 2.4% −0.7 pts −217K sh −2%
Reduced BGC GROUP INC (BGC) 2.8% 2.8% 0.0 pts −221K sh −1%
Reduced INTEGRAL AD SCIENCE HLDNG CO (IAS) 0.5% 0.4% −0.1 pts −195K sh −6%
Reduced OVID THERAPEUTICS INC (OVID) 0.0% 0.0% 0.0 pts −4.84M sh −91%

The 50 largest of 65 changes, by size of the trade. Full holdings for this quarter.

Reported by the fund in its Form 13F filed with the SEC; holdings are as of the quarter-end report date and may have changed since. For informational purposes only — not investment advice or a recommendation to buy or sell any security. FilingExplorer is not affiliated with or endorsed by this fund. How this brief is compiled

Top 10 positions — 59.9% of the equity book

Changes in the top 10 this quarter: VST entered · FLR entered · QDEL left · NFE left

# Security Weight before Weight now
1 TALEN ENERGY CORP (TLN) 21.9% 21.1%
2 TEVA PHARMACEUTICAL INDS LTD (TEVA) 7.0% 7.0%
3 FTAI AVIATION LTD (FTAI) 5.3% 6.3%
4 GOLAR LNG LTD (GLNG) 6.1% 6.1%
5 VISTRA CORP (VST) 2.0% 4.4% Entered the top 10
6 ROIVANT SCIENCES LTD (ROIV) 3.2% 3.7%
7 FLUOR CORP NEW (FLR) 0.0% 3.3% Entered the top 10
8 BGC GROUP INC (BGC) 2.8% 2.8%
9 TRANSALTA CORP (TAC) 2.0% 2.8%
10 ARCUTIS BIOTHERAPEUTICS INC (ARQT) 3.1% 2.4%
— QUIDELORTHO CORP (QDEL) 3.8% 2.2% Left the top 10
— NEW FORTRESS ENERGY INC (NFE) 3.6% 1.3% Left the top 10

Weights are each position's reported value as a share of the fund's reported equity positions (options and principal-amount holdings excluded).

Option positions (puts and calls)

Reported separately from the positions above. The value a 13F reports for an option is that of the underlying shares, not the option itself.

Activity Security Type Shares before Shares now Reported value
New SPDR SERIES TRUST (XBI) Put 0 2M $166M
New TESLA INC (TSLA) Put 0 430K $137M
New HIMS & HERS HEALTH INC (HIMS) Put 0 2M $99.7M