Rubric Capital Management LP 13F holdings, Q1 2019
Rubric Capital Management LP disclosed 59 US equity positions worth $1.1bn in its Q1 2019 13F filing. Its largest position is SAIC at 4.7% of the reported book, followed by MYLAN NV and AMARIN CORP PLC. Versus Q4 2018 it opened 28 new positions, added to 11, reduced 16 and exited 17.
- $1.1bn
- Reported equity book Sum of the long US equity positions in the filing, at the values filed. Options are excluded.
- 59
- Positions Distinct securities in the equity book with a reported value above zero. Options are excluded.
- 4.7%
- Largest position The largest single position as a share of the reported equity book.
- 38.7%
- Top 10 weight The ten largest positions together, as a share of the reported equity book.
- 37
- 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 2018: 28 new, 11 added, 16 reduced, 17 exited
| SAIC SCIENCE APPLICATIONS INTL CO | 4.7% | – | new |
| MYLAN NV no ticker | 4.6% | +68% | added |
| AMARIN CORP PLC no ticker | 4.4% | +67% | added |
| RDUSEUR RADIUS HEALTH INC | 3.8% | −5.1% | reduced |
| STMLEUR STEMLINE THERAPEUTICS INC | 3.6% | – | new |
| ARNAEUR ARENA PHARMACEUTICALS INC | 3.6% | +33% | added |
| BERYEUR BERRY GLOBAL GROUP INC | 3.6% | +6508% | added |
| GPRE GREEN PLAINS INC | 3.5% | −11% | reduced |
| HRTX HERON THERAPEUTICS INC | 3.5% | −46% | reduced |
| BIOHAVEN PHARMACTL HLDG CO L no ticker | 3.4% | −13% | reduced |
| CHRS COHERUS ONCOLOGY INC | 3.4% | −13% | reduced |
| 07WA MR COOPER GROUP INC | 3.3% | −12% | reduced |
| COLFAX CORP no ticker | 2.8% | – | new |
| TSN TYSON FOODS INC | 2.8% | – | new |
| WSC WILLSCOT CORP | 2.8% | +23% | added |
| JECUSD JACOBS ENGR GROUP INC | 2.4% | – | new |
| BRSL BRIGHTSTAR LOTTERY PLC | 2.3% | −38% | reduced |
| TH TARGET HOSPITALITY CORP | 2.2% | – | new |
| BGCPEUR BGC PARTNERS INC | 2.2% | −7.1% | reduced |
| 8IN SYNEOS HEALTH INC | 2.2% | – | new |
| MBI MBIA INC | 2.2% | 0.0% | held |
| TXMD THERAPEUTICSMD INC | 2.2% | +204% | added |
| CNDT CONDUENT INC | 2.1% | +176% | added |
| MX MAGNACHIP SEMICONDUCTOR CORP | 2.0% | −4.8% | reduced |
| AVYAUSD AVAYA HLDGS CORP | 1.8% | −49% | reduced |
| PRSP PERSPECTA INC | 1.7% | +126% | added |
| HGV HILTON GRAND VACATIONS INC | 1.7% | +17% | added |
| CSTM CONSTELLIUM SE | 1.4% | −5.3% | reduced |
| SAVEEUR SPIRIT AIRLS INC | 1.4% | – | new |
| JBLU JETBLUE AIRWAYS CORP | 1.1% | – | new |
| BDSIUSD BIODELIVERY SCIENCES INTL IN | 1.1% | +15% | added |
| SPIRIT MTA REIT no ticker | 1.1% | 0.0% | held |
| DAL DELTA AIR LINES INC | 1.0% | – | new |
| ALLERGAN PLC no ticker | 1.0% | – | new |
| SF9 SANDERSON FARMS INC | 1.0% | – | new |
| STNG SCORPIO TANKERS INC | 0.9% | – | new |
| PPC PILGRIMS PRIDE CORP | 0.9% | – | new |
| LSAK LESAKA TECHNOLOGIES INC | 0.9% | – | new |
| FLEXION THERAPEUTICS INC no ticker | 0.8% | 0.0% | held |
| MGY MAGNOLIA OIL & GAS CORP | 0.8% | 0.0% | held |
| VKTX VIKING THERAPEUTICS INC | 0.8% | – | new |
| AERIEUR AERIE PHARMACEUTICALS INC | 0.7% | −71% | reduced |
| SEB SEABOARD CORP DEL | 0.7% | – | new |
| INTELSAT S A no ticker | 0.6% | – | new |
| MUR MURPHY OIL CORP | 0.6% | – | new |
| WKC WORLD KINECT CORPORATION | 0.5% | – | new |
| MGNX MACROGENICS INC | 0.5% | – | new |
| AM6 AMICUS THERAPEUTIC | 0.5% | – | new |
| AKBA AKEBIA THERAPEUTICS INC | 0.5% | −44% | reduced |
| BC BRUNSWICK CORP | 0.5% | – | new |
Exited since Q4 2018
| INCY INCYTE CORP | 5.3% | $42.9m |
| ZAYOEUR ZAYO GROUP HLDGS INC | 4.9% | $39.1m |
| AGO ASSURED GUARANTY LTD | 2.7% | $22.1m |
| TEVA TEVA PHARMACEUTICAL INDS LTD | 1.6% | $12.8m |
| FLEX FLEX LTD | 1.6% | $12.8m |
| FGL HLDGS no ticker | 1.3% | $10.3m |
| NTRA NATERA INC | 0.9% | $7.3m |
| CBT CABOT CORP | 0.6% | $4.6m |
| RAYONIER ADVANCED MATLS INC no ticker | 0.5% | $3.8m |
| CLLS CELLECTIS S A | 0.2% | $2.0m |
| OEC ORION S.A. | 0.2% | $1.9m |
| TPCO TRIBUNE PUBG CO NEW | 0.2% | $1.7m |
| PLATINUM EAGLE ACQUISITIN CO no ticker | 0.1% | $845k |
| PLAYA HOTELS & RESORTS NV no ticker | 0.06% | $471k |
| MAS MASCO CORP | 0.05% | $418k |
| 99803EUR LABORATORY CORP AMER HLDGS | 0.05% | $371k |
| ATRSEUR ANTARES PHARMA INC | 0.0% | $35.0k |
Sector mix
Book over time
Every quarter on file (39)
| Quarter | Positions | Equity book |
|---|---|---|
| Q2 2026 | 86 | $10.9bn |
| Q1 2026 | 81 | $8.2bn |
| Q4 2025 | 75 | $8.4bn |
| Q3 2025 | 69 | $7.4bn |
| Q2 2025 | 63 | $6.2bn |
| Q1 2025 | 65 | $5.6bn |
| Q4 2024 | 67 | $5.5bn |
| Q3 2024 | 64 | $6.1bn |
| Q2 2024 | 67 | $3.8bn |
| Q1 2024 | 68 | $3.4bn |
| Q4 2023 | 57 | $2.7bn |
| Q3 2023 | 59 | $2.4bn |
| Q2 2023 | 61 | $2.3bn |
| Q1 2023 | 70 | $2.5bn |
| Q4 2022 | 94 | $2.3bn |
| Q3 2022 | 87 | $2.0bn |
| Q2 2022 | 97 | $2.0bn |
| Q1 2022 | 70 | $2.1bn |
| Q4 2021 | 68 | $2.1bn |
| Q3 2021 | 55 | $1.7bn |
| Q2 2021 | 56 | $1.6bn |
| Q1 2021 | 58 | $1.7bn |
| Q4 2020 | 59 | $1.3bn |
| Q3 2020 | 64 | $1.1bn |
| Q2 2020 | 51 | $858m |
| Q1 2020 | 49 | $612m |
| Q4 2019 | 44 | $859m |
| Q3 2019 | 56 | $890m |
| Q2 2019 | 52 | $937m |
| Q1 2019 | 59 | $1.1bn |
| Q4 2018 | 48 | $805m |
| Q3 2018 | 52 | $946m |
| Q2 2018 | 40 | $1.0bn |
| Q1 2018 | 51 | $1.1bn |
| Q4 2017 | 48 | $796m |
| Q3 2017 | 50 | $630m |
| Q2 2017 | 45 | $412m |
| Q1 2017 | 31 | $324m |
| Q4 2016 | 31 | $197m |
Where Rubric Capital Management LP was early
| XPER XPERI INC | Q1 2017 | 2 of 85 | 7.9% | Held at last filing, Q2 2026 | – |
| CSTM CONSTELLIUM SE | Q1 2017 | 11 of 132 | 2.1% | Exited by Q4 2024 | +150% |
| AMKR AMKOR TECHNOLOGY INC | Q2 2017 | 1 of 134 | 1.9% | Exited by Q4 2017 | +8.0% |
| ERII ENERGY RECOVERY INC | Q2 2017 | 2 of 82 | 1.3% | Exited by Q3 2018 | −2.5% |
| DFIN DONNELLEY FINL SOLUTIONS INC | Q2 2017 | 3 of 83 | 0.8% | Exited by Q2 2018 | −25% |
| PPC PILGRIMS PRIDE CORP NEW | Q2 2017 | 3 of 108 | 1.5% | Exited by Q3 2019 | +16% |
| RYAM RAYONIER ADVANCED MATLS INC | Q2 2017 | 3 of 107 | 2.4% | Exited by Q4 2018 | +17% |
| BLDR BUILDERS FIRSTSOURCE INC | Q2 2017 | 5 of 208 | 1.1% | Exited by Q4 2018 | −4.2% |
| HALO HALOZYME THERAPEUTICS INC | Q2 2017 | 5 of 135 | 0.9% | Exited by Q2 2018 | +53% |
| DAR DARLING INGREDIENTS INC | Q2 2017 | 6 of 169 | 0.8% | Exited by Q1 2026 | +129% |
| TSN TYSON FOODS INC | Q2 2017 | 12 of 124 | 1.9% | Exited by Q1 2020 | +45% |
| EQT EQT CORP | Q2 2017 | 24 of 231 | 1.5% | Exited by Q2 2018 | −19% |
| TTMI TTM TECHNOLOGIES INC | Q3 2017 | 3 of 143 | 1.0% | Exited by Q3 2021 | −7.0% |
| BRSL INTERNATIONAL GAME TECHNOLOG | Q3 2017 | 6 of 142 | 3.2% | Exited by Q3 2022 | −24% |
| PTEN PATTERSON UTI ENERGY INC | Q3 2017 | 7 of 143 | 2.6% | Exited by Q1 2018 | +9.9% |
| CIEN CIENA CORP | Q3 2017 | 16 of 183 | 5.3% | Exited by Q2 2018 | +18% |
| ICHR ICHOR HOLDINGS | Q4 2017 | 1 of 99 | 2.0% | Exited by Q3 2019 | −3.9% |
| WSC WILLSCOT MOBIL MINI HLDNG CO | Q4 2017 | 1 of 177 | 4.6% | Exited by Q1 2023 | +256% |
| AIR AAR CORP | Q4 2017 | 3 of 96 | 2.2% | Exited by Q4 2024 | +66% |
| OSG AMBAC FINL GROUP INC | Q4 2017 | 4 of 87 | 0.8% | Exited by Q1 2021 | −3.8% |
| SPB SPECTRUM BRANDS HLDGS INC | Q4 2017 | 4 of 147 | 0.4% | Exited by Q2 2018 | −2.7% |
| SD SANDRIDGE ENERGY INC | Q1 2018 | 2 of 77 | 0.4% | Exited by Q4 2018 | −25% |
| KLIC KULICKE & SOFFA INDS INC | Q1 2018 | 4 of 103 | 1.9% | Exited by Q3 2018 | −4.8% |
| 8IN SYNEOS HEALTH INC | Q1 2018 | 5 of 115 | 0.4% | Exited by Q2 2019 | +46% |
| CHRS COHERUS ONCOLOGY INC | Q1 2018 | 7 of 105 | 0.5% | Exited by Q3 2025 | −93% |
| NTRA NATERA INC | Q2 2018 | 3 of 167 | 1.1% | Exited by Q3 2019 | +47% |
| CWH CAMPING WORLD HLDGS INC | Q2 2018 | 4 of 128 | 6.7% | Exited by Q4 2018 | −15% |
| GPRE GREEN PLAINS INC | Q3 2018 | 4 of 121 | 4.1% | Exited by Q4 2022 | +69% |
| MGY MAGNOLIA OIL & GAS CORP | Q3 2018 | 4 of 102 | 1.2% | Exited by Q2 2019 | −20% |
| ECHO ECHOSTAR CORP | Q3 2018 | 13 of 209 | 1.5% | Exited by Q1 2020 | +15% |
| 07WA MR COOPER GROUP INC | Q4 2018 | 1 of 151 | 5.9% | Exited by Q3 2025 | +1179% |
| HGV HILTON GRAND VACATIONS INC | Q4 2018 | 17 of 166 | 1.6% | Exited by Q4 2019 | +21% |
| TH TARGET HOSPITALITY CORP | Q1 2019 | 1 of 95 | 2.2% | Held at last filing, Q2 2026 | +114% |
| WKC WORLD FUEL SVCS CORP | Q1 2019 | 4 of 85 | 0.5% | Exited by Q1 2020 | +50% |
| SAIC SCIENCE APPLICATNS INTL CP N | Q1 2019 | 7 of 121 | 4.7% | Exited by Q2 2020 | −3.0% |
| ENS ENERSYS | Q1 2019 | 8 of 102 | 0.5% | Exited by Q1 2021 | +27% |
| STNG SCORPIO TANKERS INC | Q1 2019 | 9 of 139 | 0.9% | Exited by Q3 2023 | +138% |
| ZYME ZYMEWORKS INC | Q1 2019 | 11 of 107 | 0.2% | Held at last filing, Q2 2026 | +62% |
| JBLU JETBLUE AWYS CORP | Q1 2019 | 13 of 165 | 1.1% | Exited by Q4 2019 | +2.4% |
| INSW INTERNATIONAL SEAWAYS INC | Q2 2019 | 5 of 103 | 1.2% | Exited by Q2 2020 | +26% |
| CCJ CAMECO CORP | Q2 2019 | 9 of 182 | 4.8% | Exited by Q4 2023 | +269% |
| QNST QUINSTREET INC | Q3 2019 | 8 of 88 | 2.9% | Exited by Q1 2023 | +14% |
| TBPH THERAVANCE BIOPHARMA INC | Q4 2019 | 7 of 96 | 0.5% | Exited by Q4 2022 | −61% |
| IDCC INTERDIGITAL INC | Q1 2020 | 4 of 118 | 3.5% | Exited by Q2 2023 | +63% |
| INSM INSMED INC | Q1 2020 | 8 of 180 | 1.8% | Exited by Q3 2022 | +23% |
| PFSI PENNYMAC FINL SVCS INC NEW | Q2 2020 | 6 of 114 | 2.0% | Held at last filing, Q2 2026 | +108% |
| RXT RACKSPACE TECHNOLOGY INC | Q3 2020 | 1 of 80 | 3.5% | Exited by Q2 2021 | +23% |
| MREO MEREO BIOPHARMA GROUP PLC | Q4 2020 | 1 of 67 | 0.5% | Held at last filing, Q2 2026 | −91% |
| HY HYSTER YALE MATLS HANDLING I | Q1 2021 | 1 of 51 | 1.1% | Exited by Q4 2021 | −42% |
| OCUL OCULAR THERAPEUTIX INC | Q1 2021 | 3 of 120 | 0.4% | Exited by Q4 2021 | −39% |
| TAC TRANSALTA CORP | Q1 2021 | 4 of 102 | 2.6% | Held at last filing, Q2 2026 | +46% |
| ADV ADVANTAGE SOLUTIONS INC | Q1 2021 | 7 of 63 | 1.2% | Exited by Q1 2023 | −82% |
| NFE NEW FORTRESS ENERGY INC | Q3 2021 | 3 of 129 | 0.6% | Exited by Q1 2026 | −96% |
| 2662247D ITEOS THERAPEUTICS INC | Q3 2021 | 7 of 95 | 1.5% | Exited by Q3 2022 | −24% |
| TSAT TELESAT CORP | Q4 2021 | 3 of 47 | 1.9% | Exited by Q2 2026 | +26% |
| HTZ HERTZ GLOBAL HLDGS INC | Q4 2021 | 7 of 138 | 11.7% | Exited by Q4 2023 | −51% |
| FLR FLUOR CORP | Q4 2021 | 11 of 179 | 3.4% | Held at last filing, Q2 2026 | +112% |
| APO APOLLO GLOBAL MGMT INC | Q1 2022 | 20 of 198 | 2.0% | Exited by Q4 2022 | −25% |
| ARQT ARCUTIS BIOTHERAPEUTICS INC | Q2 2022 | 6 of 102 | 0.2% | Held at last filing, Q2 2026 | +23% |
| SPRY ARS PHARMACEUTICALS INC | Q2 2022 | 10 of 101 | 0.2% | Held at last filing, Q2 2026 | +89% |
| DOLE DOLE PLC | Q3 2022 | 3 of 74 | 1.2% | Exited by Q2 2025 | +98% |
| ADEA ADEIA INC | Q4 2022 | 2 of 65 | 1.9% | Held at last filing, Q2 2026 | +247% |
| ROIV ROIVANT SCIENCES LTD | Q4 2022 | 5 of 151 | 1.0% | Held at last filing, Q2 2026 | +343% |
| BGC BGC GROUP INC | Q3 2023 | 4 of 98 | 4.4% | Held at last filing, Q2 2026 | +102% |
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