Prosight Management, LP
- SEC CIK
- 0001617201
- Latest filing
- Aug 14, 2026
Holdings in Q4 2022
Holdings as of Dec 31, 2022, filed Feb 14, 2023. Long positions only; changes compare share counts with Q3 2022.
- Positions
- 37
- +1 vs. Q3 2022
- Portfolio value
- $178.8M
- −$3.09M (−1.7%) vs. Q3 2022
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| LKFTLakefront Biotherapeutics NV | SPON ADR | 465,000 | $20.6M | 11.5% | +60,000+14.8% | Added | History |
| PRTAProthena Corp Public Ltd Co | SHS | 330,000 | $19.9M | 11.1% | +8,907+2.8% | Added | History |
| KZRKezar Life Sciences, Inc. | COM | 1,754,429 | $12.4M | 6.9% | +426,530+32.1% | Added | History |
| MGTXMeiraGTx Holdings plc | COM | 1,633,546 | $10.7M | 6.0% | +530,181+48.1% | Added | History |
| ALBOAlbireo Pharma, Inc. | COM | 486,726 | $10.5M | 5.9% | −4,518−0.9% | Reduced | History |
| HZNPHorizon Therapeutics Public Ltd Co | SHS | 90,000 | $10.2M | 5.7% | −213,000−70.3% | Reduced | History |
| ALKSAlkermes plc. | SHS | 341,521 | $8.92M | 5.0% | −160,629−32.0% | Reduced | History |
| HUMHumana Inc | Stock | 17,253 | $8.84M | 4.9% | +4,453+34.8% | Added | History |
| ORICOric Pharmaceuticals, Inc. | COM | 1,180,000 | $6.95M | 3.9% | +243,666+26.0% | Added | History |
| MIRMMirum Pharmaceuticals, Inc. | COM | 308,776 | $6.02M | 3.4% | +23,776+8.3% | Added | History |
| ALDXAldeyra Therapeutics, Inc. | COM | 858,709 | $5.98M | 3.3% | −352,091−29.1% | Reduced | History |
| TNETTrinet Group, Inc. | COM | 78,000 | $5.29M | 3.0% | +78,000 | New | History |
| CUECue Biopharma, Inc. | COM | 1,840,510 | $5.25M | 2.9% | +294,937+19.1% | Added | History |
| STTKShattuck Labs, Inc. | COM | 2,113,493 | $4.86M | 2.7% | +992,717+88.6% | Added | History |
| OPCHOption Care Health, Inc. | COM NEW | 154,898 | $4.66M | 2.6% | +154,898 | New | History |
| QDELQuidelOrtho Corp | COM | 50,000 | $4.28M | 2.4% | −12,900−20.5% | Reduced | History |
| KALVKalVista Pharmaceuticals, Inc. | COM | 621,667 | $4.20M | 2.3% | +91,605+17.3% | Added | History |
| HCATHealth Catalyst, Inc. | COM | 347,724 | $3.70M | 2.1% | +347,724 | New | History |
| ABCLAbCellera Biologics Inc. | COM | 322,754 | $3.27M | 1.8% | +236,250+273.1% | Added | History |
| LENZLENZ Therapeutics, Inc. | COM | 916,558 | $3.04M | 1.7% | +560,113+157.1% | Added | History |
| UNHUnitedHealth Group Inc | Stock | 5,000 | $2.65M | 1.5% | +5,000 | New | History |
| NTLAIntellia Therapeutics, Inc. | COM | 72,116 | $2.52M | 1.4% | +72,116 | New | History |
| CSIICardiovascular Systems Inc | COM | 145,916 | $1.99M | 1.1% | +145,916 | New | History |
| OSHOak Street Health, Inc. | COM | 84,000 | $1.81M | 1.0% | +84,000 | New | History |
| ADCTADC Therapeutics SA | SHS | 463,310 | $1.78M | 1.0% | +215,680+87.1% | Added | History |
| LFSTLifeStance Health Group, Inc. | COM | 289,335 | $1.43M | 0.8% | +289,335 | New | History |
| BCRXBiocryst Pharmaceuticals Inc | COM | 116,732 | $1.34M | 0.7% | +2,932+2.6% | Added | History |
| MORFMorphic Holding, Inc. | COM | 42,949 | $1.15M | 0.6% | +42,949 | New | History |
| ELUTElutia Inc. | CL A COM | 185,014 | $786.3K | 0.4% | +185,014 | New | History |
| BMEABiomea Fusion, Inc. | COM | 81,907 | $690.5K | 0.4% | +81,907 | New | History |
| BBIOBridgeBio Pharma, Inc. | COM | 89,027 | $678.4K | 0.4% | +89,027 | New | History |
| RCKTRocket Pharmaceuticals, Inc. | COM | 32,193 | $630.0K | 0.4% | −167,807−83.9% | Reduced | History |
| GOSSGossamer Bio, Inc. | COM | 265,000 | $575.0K | 0.3% | +265,000 | New | History |
| EOLSEvolus, Inc. | COM | 66,438 | $498.9K | 0.3% | −93,762−58.5% | Reduced | History |
| STLNStarling Oncology, Inc. | COM | 275,561 | $454.7K | 0.3% | +275,561 | New | History |
| TNYATenaya Therapeutics, Inc. | COM | 107,063 | $215.2K | 0.1% | +107,063 | New | History |
| PSNLPersonalis, Inc. | COM | 58,668 | $116.2K | 0.1% | +58,668 | New | History |
Options (3)
Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.
| Security | Class | Puts | Calls |
|---|---|---|---|
| Galapagos NV36315X901 | CALL | – | $1.78M |
| Seagen Inc81181C904 | CALL | – | $1.54M |
| Cassava Sciences Inc14817C957 | PUT | $1.21M | – |
Sold out since Q3 2022 (15)
Positions held at the end of Q3 2022 that are gone from this filing.
| Security | Class | Shares in Q3 2022 | Value in Q3 2022 | % of portfolio in Q3 2022 | History |
|---|---|---|---|---|---|
| CRLCharles River Laboratories International, Inc. | COM | 33,220 | $6.54M | 3.6% | History |
| THCTenet Healthcare Corp | COM NEW | 102,000 | $5.26M | 2.9% | History |
| JNJJohnson & Johnson | Stock | 31,704 | $5.18M | 2.8% | History |
| INCYIncyte Corp | COM | 40,450 | $2.70M | 1.5% | History |
| OMCLOmnicell, Inc. | COM | 30,700 | $2.67M | 1.5% | History |
| AVTRAvantor, Inc. | COM | 122,668 | $2.40M | 1.3% | History |
| BAXBaxter International Inc | Stock | 39,000 | $2.10M | 1.2% | History |
| RYTMRhythm Pharmaceuticals, Inc. | COM | 80,000 | $1.96M | 1.1% | History |
| ONEM1Life Healthcare Inc | COM | 106,200 | $1.82M | 1.0% | History |
| ARDXArdelyx, Inc. | COM | 1,126,127 | $1.34M | 0.7% | History |
| PRQRProQR Therapeutics N.V. | SHS EURO | 1,716,290 | $1.28M | 0.7% | History |
| SPRYARS Pharmaceuticals, Inc. | COM | 196,257 | $1.04M | 0.6% | History |
| RCMR1 RCM Inc. | COM | 32,113 | $595.0K | 0.3% | History |
| SPOKSpok Holdings, Inc | COM | 65,000 | $497.0K | 0.3% | History |
| MRVIMaravai Lifesciences Holdings, Inc. | COM CL A | 8,540 | $218.0K | 0.1% | History |