WhaleCreep

Rubric Capital Management LP 13F holdings, Q1 2026

Hedge fundSEC filingsCompare with another fundHoldings as of 2026-03-31, filed 2026-05-15

Rubric Capital Management LP disclosed 81 US equity positions worth $8.2bn in its Q1 2026 13F filing. Its largest position is TLN at 14.1% of the reported book, followed by FTAI AVIATION LTD and GLNG. Versus Q4 2025 it opened 16 new positions, added to 24, reduced 14 and exited 10.

$8.2bn
Reported equity book
Sum of the long US equity positions in the filing, at the values filed. Options are excluded.
81
Positions
Distinct securities in the equity book with a reported value above zero. Options are excluded.
14.1%
Largest position
The largest single position as a share of the reported equity book.
52.3%
Top 10 weight
The ten largest positions together, as a share of the reported equity book.
22
Effective positions
1 / HHI of portfolio weights: the number of equal-weight positions the book behaves like.
39
Quarters on file since Q4 2016
Quarters for which this manager's 13F holdings are on record.

Holdings

Against Q4 2025: 16 new, 24 added, 14 reduced, 10 exited

50 of 81
TLN TALEN ENERGY CORPUtilities14.1%$1.1bn3.60m0.0%held
FTAI AVIATION LTD no ticker–7.7%$631m2.58m−30%reduced
GLNG GOLAR LNG LTDEnergy6.1%$497m9.18m0.0%held
TEVA TEVA PHARMACEUTICAL INDS LTDHealthcare5.6%$459m15.25m−29%reduced
VTRS VIATRIS INCHealthcare5.5%$453m33.50m+31%added
TAC TRANSALTA CORPUtilities2.9%$233m17.78m0.0%held
BGC BGC GROUP INCFinancial Services2.8%$228m23.30m+11%added
VST VISTRA CORPUtilities2.8%$225m1.50m−25%reduced
CEG CONSTELLATION ENERGY CORPUtilities2.4%$200m715,000+6.7%added
ARQT ARCUTIS BIOTHERAPEUTICS INCHealthcare2.4%$195m8.27m0.0%held
MCY MERCURY GENL CORP NEWFinancial Services2.3%$190m2.15m+4.9%added
KINIKSA PHARMACEUTICALS INTL no ticker–2.2%$181m3.75m+13%added
ZYME ZYMEWORKS INCHealthcare2.1%$175m7.00m+22%added
LILAB LIBERTY LATIN AMERICA LTDCommunication Services2.1%$168m19.15m+52%added
AKAM AKAMAI TECHNOLOGIES INCTechnology1.8%$149m1.30m+8.3%added
LIBERTY GLOBAL LTD no ticker–1.7%$142m11.75m+17%added
ROIV ROIVANT SCIENCES LTDHealthcare1.7%$139m5.00m−44%reduced
AMRX AMNEAL PHARMACEUTICALS INCHealthcare1.7%$137m11.04m−11%reduced
DK DELEK US HLDGS INC NEWEnergy1.5%$121m2.69m0.0%held
CMPR CIMPRESS PLCIndustrials1.5%$119m1.63m+6.8%added
ECVT ECOVYST INCBasic Materials1.4%$117m9.14m−13%reduced
LIBERTY GLOBAL LTD no ticker–1.3%$109m9.26m+51%added
ADEA ADEIA INCTechnology1.3%$103m4.28m0.0%held
EPC EDGEWELL PERSONAL CARE COConsumer Defensive1.0%$85.4m4.00m+297%added
ZM ZOOM COMMUNICATIONS INCTechnology1.0%$80.5m1.00m–new
TDS TELEPHONE & DATA SYS INCCommunication Services1.0%$77.9m1.85m0.0%held
GIL GILDAN ACTIVEWEAR INCConsumer Cyclical1.0%$77.7m1.40m+444%added
IART INTEGRA LIFESCIENCES HLDGS CHealthcare0.9%$73.0m7.75m0.0%held
SDGR SCHRODINGER INCHealthcare0.8%$68.2m6.00m+44%added
SPRY ARS PHARMACEUTICALS INCHealthcare0.8%$64.2m8.00m+29%added
GEO GEO GROUP INCIndustrials0.8%$62.9m3.74m+7.3%added
SSYS STRATASYS LTDTechnology0.8%$62.5m8.00m+9.0%added
ANDE ANDERSONS INCConsumer Defensive0.8%$61.4m855,819−15%reduced
MGTX MEIRAGTX HLDGS PLCHealthcare0.7%$60.6m7.00m+13%added
ENOV ENOVIS CORPORATIONHealthcare0.7%$55.8m2.45m0.0%held
OPK OPKO HEALTH INCHealthcare0.7%$54.5m47.79m0.0%held
QDEL QUIDELORTHO CORPHealthcare0.7%$54.3m3.31m−12%reduced
PRMB PRIMO BRANDS CORPORATIONConsumer Defensive0.6%$52.4m2.78m−23%reduced
NWL NEWELL BRANDS INCConsumer Defensive0.6%$52.3m15.26m+17%added
AMCOR PLC no ticker–0.6%$50.5m1.27m–new
RENEW ENERGY GLOBAL PLC no ticker–0.6%$50.4m11.00m0.0%held
PRTA PROTHENA CORP PLCHealthcare0.6%$48.6m5.00m+36%added
PTGX PROTAGONIST THERAPEUTICS INCHealthcare0.6%$45.1m427,998–new
TRVI TREVI THERAPEUTICS INCHealthcare0.5%$44.3m3.71m−1.4%reduced
OFIX ORTHOFIX MED INCHealthcare0.5%$42.7m3.72m0.0%held
COLL COLLEGIUM PHARMACEUTICAL INCHealthcare0.5%$42.3m1.28m−14%reduced
CXW CORECIVIC INCIndustrials0.5%$38.9m2.06m+5.0%added
NRIX NURIX THERAPEUTICS INCHealthcare0.5%$38.3m2.47m0.0%held
DRVN DRIVEN BRANDS HLDGS INCConsumer Cyclical0.5%$37.8m3.00m–new
CVGWGBP CALAVO GROWERS INC–0.4%$36.5m1.42m–new

Exited since Q4 2025

10 rows
FLR FLUOR CORP2.0%$164m
EOSE EOS ENERGY ENTERPRISES INC0.9%$74.5m
ADM ARCHER DANIELS MIDLAND CO0.8%$63.3m
BG BUNGE GLOBAL SA0.7%$60.3m
GPK GRAPHIC PACKAGING HLDG CO0.4%$30.1m
NFE NEW FORTRESS ENERGY INC0.3%$27.0m
DAR DARLING INGREDIENTS INC0.3%$24.5m
INDIVIOR PLC no ticker0.2%$17.9m
SW SMURFIT WESTROCK PLC0.2%$15.5m
STUB STUBHUB HLDGS INC0.1%$10.6m

Sector mix

  • Healthcare29.6%
  • Utilities22.1%
  • Unclassified15.2%
  • Energy7.9%
  • Technology5.9%
  • Financial Services5.2%
  • Industrials3.5%
  • Consumer Defensive3.1%
  • Communication Services3.0%
  • Consumer Cyclical2.0%
  • Basic Materials1.9%
  • Real Estate0.5%

Book over time

Every quarter on file (39)
QuarterPositionsEquity book
Q2 202686$10.9bn
Q1 202681$8.2bn
Q4 202575$8.4bn
Q3 202569$7.4bn
Q2 202563$6.2bn
Q1 202565$5.6bn
Q4 202467$5.5bn
Q3 202464$6.1bn
Q2 202467$3.8bn
Q1 202468$3.4bn
Q4 202357$2.7bn
Q3 202359$2.4bn
Q2 202361$2.3bn
Q1 202370$2.5bn
Q4 202294$2.3bn
Q3 202287$2.0bn
Q2 202297$2.0bn
Q1 202270$2.1bn
Q4 202168$2.1bn
Q3 202155$1.7bn
Q2 202156$1.6bn
Q1 202158$1.7bn
Q4 202059$1.3bn
Q3 202064$1.1bn
Q2 202051$858m
Q1 202049$612m
Q4 201944$859m
Q3 201956$890m
Q2 201952$937m
Q1 201959$1.1bn
Q4 201848$805m
Q3 201852$946m
Q2 201840$1.0bn
Q1 201851$1.1bn
Q4 201748$796m
Q3 201750$630m
Q2 201745$412m
Q1 201731$324m
Q4 201631$197m

Where Rubric Capital Management LP was early

64 rows
XPER XPERI INCQ1 20172 of 857.9%7.9%19Held at last filing, Q2 2026–
CSTM CONSTELLIUM SEQ1 201711 of 1322.1%4.6%19Exited by Q4 2024+150%
AMKR AMKOR TECHNOLOGY INCQ2 20171 of 1341.9%2.0%2Exited by Q4 2017+8.0%
ERII ENERGY RECOVERY INCQ2 20172 of 821.3%1.3%5Exited by Q3 2018−2.5%
DFIN DONNELLEY FINL SOLUTIONS INCQ2 20173 of 830.8%1.7%4Exited by Q2 2018−25%
PPC PILGRIMS PRIDE CORP NEWQ2 20173 of 1081.5%1.5%4Exited by Q3 2019+16%
RYAM RAYONIER ADVANCED MATLS INCQ2 20173 of 1072.4%5.3%6Exited by Q4 2018+17%
BLDR BUILDERS FIRSTSOURCE INCQ2 20175 of 2081.1%2.9%6Exited by Q4 2018−4.2%
HALO HALOZYME THERAPEUTICS INCQ2 20175 of 1350.9%3.3%4Exited by Q2 2018+53%
DAR DARLING INGREDIENTS INCQ2 20176 of 1690.8%2.3%3Exited by Q1 2026+129%
TSN TYSON FOODS INCQ2 201712 of 1241.9%2.8%4Exited by Q1 2020+45%
EQT EQT CORPQ2 201724 of 2311.5%1.5%4Exited by Q2 2018−19%
TTMI TTM TECHNOLOGIES INCQ3 20173 of 1431.0%3.6%5Exited by Q3 2021−7.0%
BRSL INTERNATIONAL GAME TECHNOLOGQ3 20176 of 1423.2%8.0%8Exited by Q3 2022−24%
PTEN PATTERSON UTI ENERGY INCQ3 20177 of 1432.6%2.6%2Exited by Q1 2018+9.9%
CIEN CIENA CORPQ3 201716 of 1835.3%5.3%3Exited by Q2 2018+18%
ICHR ICHOR HOLDINGSQ4 20171 of 992.0%3.8%4Exited by Q3 2019−3.9%
WSC WILLSCOT MOBIL MINI HLDNG COQ4 20171 of 1774.6%5.8%20Exited by Q1 2023+256%
AIR AAR CORPQ4 20173 of 962.2%3.5%18Exited by Q4 2024+66%
OSG AMBAC FINL GROUP INCQ4 20174 of 870.8%3.0%9Exited by Q1 2021−3.8%
SPB SPECTRUM BRANDS HLDGS INCQ4 20174 of 1470.4%5.9%2Exited by Q2 2018−2.7%
SD SANDRIDGE ENERGY INCQ1 20182 of 770.4%1.7%3Exited by Q4 2018−25%
KLIC KULICKE & SOFFA INDS INCQ1 20184 of 1031.9%4.2%2Exited by Q3 2018−4.8%
8IN SYNEOS HEALTH INCQ1 20185 of 1150.4%3.5%3Exited by Q2 2019+46%
CHRS COHERUS ONCOLOGY INCQ1 20187 of 1050.5%4.6%16Exited by Q3 2025−93%
NTRA NATERA INCQ2 20183 of 1671.1%1.1%4Exited by Q3 2019+47%
CWH CAMPING WORLD HLDGS INCQ2 20184 of 1286.7%6.7%2Exited by Q4 2018−15%
GPRE GREEN PLAINS INCQ3 20184 of 1214.1%4.2%14Exited by Q4 2022+69%
MGY MAGNOLIA OIL & GAS CORPQ3 20184 of 1021.2%1.2%3Exited by Q2 2019−20%
ECHO ECHOSTAR CORPQ3 201813 of 2091.5%2.4%3Exited by Q1 2020+15%
07WA MR COOPER GROUP INCQ4 20181 of 1515.9%5.9%27Exited by Q3 2025+1179%
HGV HILTON GRAND VACATIONS INCQ4 201817 of 1661.6%1.9%4Exited by Q4 2019+21%
TH TARGET HOSPITALITY CORPQ1 20191 of 952.2%2.4%14Held at last filing, Q2 2026+114%
WKC WORLD FUEL SVCS CORPQ1 20194 of 850.5%2.4%4Exited by Q1 2020+50%
SAIC SCIENCE APPLICATNS INTL CP NQ1 20197 of 1214.7%4.7%4Exited by Q2 2020−3.0%
ENS ENERSYSQ1 20198 of 1020.5%2.7%3Exited by Q1 2021+27%
STNG SCORPIO TANKERS INCQ1 20199 of 1390.9%5.4%6Exited by Q3 2023+138%
ZYME ZYMEWORKS INCQ1 201911 of 1070.2%2.1%16Held at last filing, Q2 2026+62%
JBLU JETBLUE AWYS CORPQ1 201913 of 1651.1%2.8%3Exited by Q4 2019+2.4%
INSW INTERNATIONAL SEAWAYS INCQ2 20195 of 1031.2%2.2%4Exited by Q2 2020+26%
CCJ CAMECO CORPQ2 20199 of 1824.8%6.0%7Exited by Q4 2023+269%
QNST QUINSTREET INCQ3 20198 of 882.9%4.2%12Exited by Q1 2023+14%
TBPH THERAVANCE BIOPHARMA INCQ4 20197 of 960.5%3.3%5Exited by Q4 2022−61%
IDCC INTERDIGITAL INCQ1 20204 of 1183.5%3.9%9Exited by Q2 2023+63%
INSM INSMED INCQ1 20208 of 1801.8%3.3%5Exited by Q3 2022+23%
PFSI PENNYMAC FINL SVCS INC NEWQ2 20206 of 1142.0%2.3%6Held at last filing, Q2 2026+108%
RXT RACKSPACE TECHNOLOGY INCQ3 20201 of 803.5%3.6%3Exited by Q2 2021+23%
MREO MEREO BIOPHARMA GROUP PLCQ4 20201 of 670.5%1.6%23Held at last filing, Q2 2026−91%
HY HYSTER YALE MATLS HANDLING IQ1 20211 of 511.1%1.1%3Exited by Q4 2021−42%
OCUL OCULAR THERAPEUTIX INCQ1 20213 of 1200.4%1.9%3Exited by Q4 2021−39%

Concentration and tenure

7.3%
Median largest position, all quarters
The largest single position as a share of the reported equity book.
44.3%
Median top 10 weight, all quarters
The ten largest positions together, as a share of the reported equity book.
Concentrated
Style, by median largest position
2
Median completed holding, quarters