$4.16 Billion is the total value of Rock Springs Capital Management LP's 120 reported holdings in Q4 2022. The portfolio turnover from Q3 2022 to Q4 2022 was 29.4% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| IMCR | Sell | IMMUNOCORE HLDGS PLCads | $189,533,237 | +15.6% | 3,321,066 | -4.9% | 4.56% | +7.7% |
| IDXX | Sell | IDEXX LABS INC | $84,651,700 | +15.8% | 207,500 | -7.5% | 2.04% | +7.9% |
| AGIO | Sell | AGIOS PHARMACEUTICALS INC | $84,144,303 | -2.7% | 2,996,592 | -2.0% | 2.02% | -9.4% |
| ALGN | Sell | ALIGN TECHNOLOGY INC | $63,765,615 | -10.5% | 302,350 | -12.1% | 1.53% | -16.6% |
| MRTX | Sell | MIRATI THERAPEUTICS INC | $36,475,637 | -39.7% | 805,024 | -7.1% | 0.88% | -43.9% |
| FRPT | Sell | FRESHPET INC | $34,669,890 | -1.1% | 657,000 | -6.1% | 0.83% | -7.9% |
| ZLAB | Sell | ZAI LAB LTDadr | $32,532,790 | -20.2% | 1,059,700 | -11.1% | 0.78% | -25.6% |
| SWAV | Sell | SHOCKWAVE MED INC | $23,665,711 | -52.7% | 115,100 | -36.1% | 0.57% | -56.0% |
| CLDX | Sell | CELLDEX THERAPEUTICS INC NEW | $18,786,433 | +58.5% | 421,504 | -0.0% | 0.45% | +47.7% |
| CNMD | Sell | CONMED CORP | $18,171,200 | -2.7% | 205,000 | -12.0% | 0.44% | -9.3% |
| Sell | WARBY PARKER INC | $16,443,973 | -5.9% | 1,218,975 | -6.9% | 0.40% | -12.2% | |
| ACCD | Sell | ACCOLADE INC | $15,097,020 | -41.9% | 1,938,000 | -14.8% | 0.36% | -45.9% |
| Sell | CINCOR PHARMA INC | $13,722,744 | -65.3% | 1,116,578 | -7.4% | 0.33% | -67.7% | |
| NVCR | Sell | NOVOCURE LTD | $9,168,750 | -31.0% | 125,000 | -28.6% | 0.22% | -35.6% |
| MGNX | Sell | MACROGENICS INC | $7,535,974 | +80.5% | 1,123,096 | -6.9% | 0.18% | +67.6% |
| NVTA | Sell | INVITAE CORP | $5,761,397 | -30.9% | 3,097,525 | -8.5% | 0.14% | -35.3% |
| NVAX | Sell | NOVAVAX INC | $5,475,128 | -49.8% | 532,600 | -11.1% | 0.13% | -53.2% |
| NKTX | Sell | NKARTA INC | $2,356,400 | -70.9% | 393,389 | -36.2% | 0.06% | -72.7% |
| AUPH | Sell | AURINIA PHARMACEUTICALS INC | $2,071,613 | -74.2% | 479,540 | -55.0% | 0.05% | -75.8% |
| SPRO | Sell | SPERO THERAPEUTICS INC | $1,158,292 | -24.8% | 669,533 | -13.1% | 0.03% | -30.0% |
| VINC | Sell | VINCERX PHARMA INC | $909,553 | -40.6% | 891,719 | -19.6% | 0.02% | -45.0% |
| GOSS | Sell | GOSSAMER BIO INC | $816,024 | -95.7% | 376,048 | -76.3% | 0.02% | -95.9% |
| APLT | Sell | APPLIED THERAPEUTICS INC | $453,477 | -30.6% | 596,680 | -15.0% | 0.01% | -35.3% |
| BCEL | Sell | ATRECA INC | $290,242 | -60.0% | 362,530 | -21.6% | 0.01% | -63.2% |
| ALT | Exit | ALTIMMUNE INCcall | $0 | – | -33,500 | -100.0% | -0.01% | – |
| PHAS | Exit | PHASEBIO PHARMACEUTICALS INC | $0 | – | -2,719,074 | -100.0% | -0.01% | – |
| ACRX | Exit | ACELRX PHARMACEUTICALS INC | $0 | – | -6,329,202 | -100.0% | -0.03% | – |
| IMRA | Exit | IMARA INC | $0 | – | -842,402 | -100.0% | -0.05% | – |
| JYAC | Exit | JIYA ACQUISITION CORP | $0 | – | -206,200 | -100.0% | -0.05% | – |
| BLSA | Exit | BCLS ACQUISITION CORP | $0 | – | -309,000 | -100.0% | -0.08% | – |
| Exit | EQRX INC | $0 | – | -1,000,000 | -100.0% | -0.13% | – | |
| OHPAU | Exit | ORION ACQUISITION CORPunit 02/19/2026 | $0 | – | -1,000,000 | -100.0% | -0.26% | – |
| ARVN | Exit | ARVINAS INC | $0 | – | -280,100 | -100.0% | -0.32% | – |
| CVET | Exit | COVETRUS INC | $0 | – | -1,678,800 | -100.0% | -0.90% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR filed 2023-02-14
Top long-term holdings
| Name | Quarters owned | Latest quarter owned | Max weighting |
|---|---|---|---|
| INTUITIVE SURGICAL INC | 40 | Q3 2023 | 3.4% |
| NEUROCRINE BIOSCIENCES INC | 39 | Q3 2023 | 4.8% |
| PACIRA PHARMACEUTICALS INC | 39 | Q3 2023 | 2.6% |
| ULTRAGENYX PHARMACEUTICAL IN | 39 | Q3 2023 | 1.9% |
| ACADIA HEALTHCARE COMPANY IN | 38 | Q3 2023 | 4.4% |
| ASCENDIS PHARMA A/S | 35 | Q3 2023 | 1.3% |
| INVITAE CORP | 35 | Q3 2023 | 1.8% |
| BIOMARIN PHARMACEUTICAL INC | 35 | Q3 2023 | 1.3% |
| MACROGENICS INC | 35 | Q3 2023 | 0.5% |
| COLLEGIUM PHARMACEUTICAL INC | 34 | Q3 2023 | 2.1% |
View Rock Springs Capital Management LP's complete holdings history.
Latest significant ownerships (13-D/G)
| Filed | Shares | Percentage | |
|---|---|---|---|
| Aeglea BioTherapeutics, Inc. | February 14, 2023 | 3,413,906 | 5.6% |
| Compass Therapeutics, Inc. | February 14, 2023 | 5,333,188 | 4.2% |
| Mirum Pharmaceuticals, Inc. | February 14, 2023 | 1,795,733 | 4.9% |
| PhaseBio Pharmaceuticals IncSold out | February 14, 2023 | 0 | 0.0% |
| Sierra Oncology, Inc.Sold out | February 14, 2023 | 0 | 0.0% |
| ARDELYX, INC.Sold out | February 15, 2022 | 0 | 0.0% |
| CHIASMA, INCSold out | February 15, 2022 | 0 | 0.0% |
| FIVE PRIME THERAPEUTICS, INC.Sold out | February 15, 2022 | 0 | 0.0% |
| F-star Therapeutics, Inc. | February 15, 2022 | 751,889 | 3.6% |
| Protara Therapeutics, Inc.Sold out | February 15, 2022 | 0 | 0.0% |
View Rock Springs Capital Management LP's complete significant-ownership history.
Latest filings
| Type | Filed |
|---|---|
| SC 13G | 2024-05-01 |
| SC 13G/A | 2024-04-05 |
| 13F-HR | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
View Rock Springs Capital Management LP's complete filings history.
All filings
- Holdings (13F-HR)
- Significant ownership (13-D/G)
- Insider transactions (4, 5, 6)
- Events (8-K)
- Shareholder votes (proxy)
View complete filings history.