$4.2 Billion is the total value of Rock Springs Capital Management LP's 123 reported holdings in Q2 2023. The portfolio turnover from Q1 2023 to Q2 2023 was 9.9% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| HUM | Buy | HUMANA INC | $210,151,100 | +1.5% | 470,000 | +10.2% | 5.00% | +1.2% |
| IMCR | Buy | IMMUNOCORE HLDGS PLCads | $181,583,464 | +22.4% | 3,028,410 | +0.9% | 4.32% | +22.0% |
| PODD | Buy | INSULET CORP | $161,182,060 | -5.9% | 559,000 | +4.1% | 3.84% | -6.1% |
| AGL | Buy | AGILON HEALTH INC | $143,618,550 | -23.3% | 8,282,500 | +5.1% | 3.42% | -23.5% |
| BPMC | Buy | BLUEPRINT MEDICINES CORP | $138,197,670 | +51.1% | 2,186,672 | +7.6% | 3.29% | +50.7% |
| ARGX | ARGENX SEsponsored adr | $136,405,500 | +4.6% | 350,000 | 0.0% | 3.24% | +4.3% | |
| PEN | Sell | PENUMBRA INC | $125,925,960 | +4.2% | 366,000 | -15.6% | 3.00% | +4.0% |
| NBIX | Buy | NEUROCRINE BIOSCIENCES INC | $120,656,850 | -1.5% | 1,279,500 | +5.7% | 2.87% | -1.7% |
| EVH | EVOLENT HEALTH INCcl a | $115,246,050 | -6.6% | 3,803,500 | 0.0% | 2.74% | -6.9% | |
| UNH | Sell | UNITEDHEALTH GROUP INC | $110,547,200 | -13.4% | 230,000 | -14.8% | 2.63% | -13.6% |
| KRTX | KARUNA THERAPEUTICS INC | $107,021,330 | +19.4% | 493,527 | 0.0% | 2.55% | +19.0% | |
| ISRG | INTUITIVE SURGICAL INC | $102,069,090 | +33.8% | 298,500 | 0.0% | 2.43% | +33.5% | |
| IDXX | Sell | IDEXX LABS INC | $97,683,735 | -5.9% | 194,500 | -6.3% | 2.32% | -6.1% |
| EXAS | Buy | EXACT SCIENCES CORP | $88,594,650 | +38.8% | 943,500 | +0.2% | 2.11% | +38.4% |
| CERE | CEREVEL THERAPEUTICS HLDNG I | $79,917,390 | +30.3% | 2,513,916 | 0.0% | 1.90% | +29.9% | |
| WST | WEST PHARMACEUTICAL SVSC INC | $77,258,940 | +10.4% | 202,000 | 0.0% | 1.84% | +10.1% | |
| SGEN | SEAGEN INC | $77,022,492 | -4.9% | 400,200 | 0.0% | 1.83% | -5.2% | |
| ALGN | Sell | ALIGN TECHNOLOGY INC | $76,739,880 | -7.2% | 217,000 | -12.3% | 1.83% | -7.4% |
| AGIO | Buy | AGIOS PHARMACEUTICALS INC | $76,072,249 | +24.4% | 2,686,167 | +0.9% | 1.81% | +24.1% |
| AKRO | Buy | AKERO THERAPEUTICS INC | $72,404,704 | +30.1% | 1,550,754 | +6.6% | 1.72% | +29.7% |
| ACHC | Buy | ACADIA HEALTHCARE COMPANY IN | $72,313,120 | +16.3% | 908,000 | +5.5% | 1.72% | +15.9% |
| ALNY | ALNYLAM PHARMACEUTICALS INC | $65,529,300 | -5.2% | 345,000 | 0.0% | 1.56% | -5.5% | |
| RARE | Buy | ULTRAGENYX PHARMACEUTICAL IN | $63,856,329 | +19.2% | 1,384,269 | +3.6% | 1.52% | +18.8% |
| DXCM | DEXCOM INC | $63,034,155 | +10.6% | 490,500 | 0.0% | 1.50% | +10.3% | |
| EW | EDWARDS LIFESCIENCES CORP | $60,927,747 | +14.0% | 645,900 | 0.0% | 1.45% | +13.7% | |
| ABCM | Buy | ABCAM PLCads | $58,850,350 | +95.0% | 2,405,000 | +7.2% | 1.40% | +94.4% |
| PRTA | PROTHENA CORP PLC | $51,446,385 | +40.9% | 753,462 | 0.0% | 1.22% | +40.5% | |
| HZNP | Sell | HORIZON THERAPEUTICS PUB L | $50,910,750 | -37.0% | 495,000 | -33.1% | 1.21% | -37.2% |
| SRPT | Sell | SAREPTA THERAPEUTICS INC | $48,671,000 | -20.2% | 425,000 | -4.0% | 1.16% | -20.4% |
| MIRM | Buy | MIRUM PHARMACEUTICALS INC | $47,102,363 | +9.2% | 1,820,733 | +1.4% | 1.12% | +8.9% |
| MDGL | Sell | MADRIGAL PHARMACEUTICALS INC | $46,019,358 | -45.4% | 199,218 | -42.8% | 1.10% | -45.6% |
| XENE | XENON PHARMACEUTICALS INC | $45,353,077 | +7.6% | 1,178,002 | 0.0% | 1.08% | +7.3% | |
| FRPT | FRESHPET INC | $43,599,125 | -0.6% | 662,500 | 0.0% | 1.04% | -0.9% | |
| PCRX | Buy | PACIRA BIOSCIENCES INC | $41,472,450 | -1.6% | 1,035,000 | +0.2% | 0.99% | -1.8% |
| ACRS | ACLARIS THERAPEUTICS INC | $41,084,374 | +28.2% | 3,961,849 | 0.0% | 0.98% | +27.7% | |
| MRTX | Buy | MIRATI THERAPEUTICS INC | $40,525,106 | +2.3% | 1,121,647 | +5.3% | 0.96% | +2.0% |
| PHR | Buy | PHREESIA INC | $40,468,050 | -3.8% | 1,305,000 | +0.2% | 0.96% | -4.0% |
| ACCD | Buy | ACCOLADE INC | $37,985,400 | +3.8% | 2,820,000 | +10.8% | 0.90% | +3.6% |
| ASND | ASCENDIS PHARMA A/Ssponsored adr | $37,975,875 | -16.8% | 425,500 | 0.0% | 0.90% | -17.1% | |
| KYMR | Buy | KYMERA THERAPEUTICS INC | $34,198,797 | -6.0% | 1,487,551 | +21.1% | 0.81% | -6.2% |
| ZLAB | Buy | ZAI LAB LTDadr | $33,897,790 | -3.8% | 1,222,423 | +15.4% | 0.81% | -4.2% |
| Buy | AMYLYX PHARMACEUTICALS INC | $33,317,367 | -21.8% | 1,544,616 | +6.3% | 0.79% | -22.0% | |
| SWAV | SHOCKWAVE MED INC | $32,850,691 | +31.6% | 115,100 | 0.0% | 0.78% | +31.4% | |
| IRTC | IRHYTHM TECHNOLOGIES INC | $32,281,824 | -15.9% | 309,450 | 0.0% | 0.77% | -16.2% | |
| LEGN | LEGEND BIOTECH CORPsponsored ads | $31,634,033 | +43.2% | 458,265 | 0.0% | 0.75% | +42.9% | |
| OLK | Buy | OLINK HLDG ABsponsored ads | $31,012,500 | -16.6% | 1,654,000 | +0.2% | 0.74% | -16.8% |
| NVRO | Buy | NEVRO CORP | $30,793,788 | -21.0% | 1,211,400 | +12.4% | 0.73% | -21.2% |
| IMTX | Buy | IMMATICS N.V | $29,267,102 | +68.7% | 2,536,144 | +0.9% | 0.70% | +68.1% |
| CNMD | CONMED CORP | $27,857,450 | +30.8% | 205,000 | 0.0% | 0.66% | +30.5% | |
| XLV | SELECT SECTOR SPDR TRsbi healthcare | $26,546,000 | +2.5% | 200,000 | 0.0% | 0.63% | +2.3% | |
| LFST | LIFESTANCE HEALTH GROUP INC | $26,477,000 | +22.9% | 2,900,000 | 0.0% | 0.63% | +22.6% | |
| RYTM | RHYTHM PHARMACEUTICALS INC | $26,336,558 | -7.6% | 1,597,123 | 0.0% | 0.63% | -7.8% | |
| TVTX | Buy | TRAVERE THERAPEUTICS INC | $23,465,779 | -18.3% | 1,527,720 | +19.7% | 0.56% | -18.5% |
| DVAX | DYNAVAX TECHNOLOGIES CORP | $23,433,753 | +31.7% | 1,813,758 | 0.0% | 0.56% | +31.3% | |
| BMRN | BIOMARIN PHARMACEUTICAL INC | $22,926,860 | -10.9% | 264,500 | 0.0% | 0.54% | -11.2% | |
| BRKS | Buy | AZENTA INC | $21,934,932 | +14.0% | 469,900 | +9.0% | 0.52% | +13.7% |
| MINERALYS THERAPEUTICS INC | $19,905,739 | +8.9% | 1,167,492 | 0.0% | 0.47% | +8.7% | ||
| INZY | Buy | INOZYME PHARMA INC | $19,094,428 | +3.7% | 3,428,084 | +6.6% | 0.45% | +3.2% |
| RVMD | REVOLUTION MEDICINES INC | $18,797,546 | +23.5% | 702,712 | 0.0% | 0.45% | +23.1% | |
| BMEA | Sell | BIOMEA FUSION INC | $18,369,911 | -54.3% | 836,898 | -35.5% | 0.44% | -54.5% |
| BCRX | Buy | BIOCRYST PHARMACEUTICALS INC | $17,580,239 | -9.7% | 2,497,193 | +7.0% | 0.42% | -9.9% |
| CMPX | COMPASS THERAPEUTICS INC | $17,533,846 | -2.8% | 5,513,788 | 0.0% | 0.42% | -3.0% | |
| Buy | DISC MEDICINE INC | $16,137,979 | +143.0% | 363,468 | +16.0% | 0.38% | +143.0% | |
| Buy | WARBY PARKER INC | $15,489,250 | +12.5% | 1,325,000 | +1.9% | 0.37% | +12.5% | |
| KDNY | Sell | CHINOOK THERAPEUTICS INC | $15,225,078 | +29.6% | 396,280 | -21.9% | 0.36% | +29.3% |
| CYTK | CYTOKINETICS INC | $14,600,712 | -7.3% | 447,600 | 0.0% | 0.35% | -7.7% | |
| BSX | New | BOSTON SCIENTIFIC CORP | $14,469,075 | – | 267,500 | +100.0% | 0.34% | – |
| CLDX | Buy | CELLDEX THERAPEUTICS INC NEW | $14,305,397 | -5.7% | 421,615 | +0.0% | 0.34% | -6.1% |
| COLL | COLLEGIUM PHARMACEUTICAL INC | $13,968,500 | -10.4% | 650,000 | 0.0% | 0.33% | -10.8% | |
| FOLD | AMICUS THERAPEUTICS INC | $13,361,403 | +13.3% | 1,063,806 | 0.0% | 0.32% | +13.2% | |
| MRUS | New | MERUS N V | $12,599,721 | – | 478,531 | +100.0% | 0.30% | – |
| AURA BIOSCIENCES INC | $12,593,999 | +33.1% | 1,019,757 | 0.0% | 0.30% | +32.7% | ||
| HCAT | HEALTH CATALYST INC | $11,623,750 | +7.1% | 929,900 | 0.0% | 0.28% | +6.9% | |
| MRSN | Sell | MERSANA THERAPEUTICS INC | $11,196,308 | -33.6% | 3,403,133 | -17.1% | 0.27% | -33.8% |
| EDAP | Buy | EDAP TMS S Asponsored adr | $10,937,686 | -4.1% | 1,186,300 | +15.2% | 0.26% | -4.4% |
| Sell | BIOHAVEN LTD | $9,606,846 | +2.6% | 401,624 | -41.4% | 0.23% | +2.7% | |
| MREO | Buy | MEREO BIOPHARMA GROUP PLCspon ads | $9,295,956 | +110.6% | 7,042,391 | +12.8% | 0.22% | +110.5% |
| PLRX | PLIANT THERAPEUTICS INC | $8,900,925 | -31.9% | 491,221 | 0.0% | 0.21% | -32.1% | |
| Buy | ICOSAVAX INC | $8,623,301 | +72.0% | 868,409 | +0.5% | 0.20% | +70.8% | |
| LUNG | PULMONX CORP | $8,552,964 | +17.3% | 652,400 | 0.0% | 0.20% | +16.7% | |
| RLAY | RELAY THERAPEUTICS INC | $8,465,013 | -23.7% | 673,966 | 0.0% | 0.20% | -24.2% | |
| RPHM | RENEO PHARMACEUTICALS INC | $7,499,294 | +9.7% | 1,143,185 | 0.0% | 0.18% | +9.2% | |
| GH | GUARDANT HEALTH INC | $7,160,000 | +52.7% | 200,000 | 0.0% | 0.17% | +51.8% | |
| ANAB | Sell | ANAPTYSBIO INC | $6,948,897 | -44.6% | 341,637 | -40.7% | 0.16% | -44.8% |
| MGNX | MACROGENICS INC | $6,008,564 | -25.4% | 1,123,096 | 0.0% | 0.14% | -25.5% | |
| SPRB | SPRUCE BIOSCIENCES INC | $5,865,469 | -2.7% | 2,728,125 | 0.0% | 0.14% | -2.8% | |
| NVCR | NOVOCURE LTD | $5,187,500 | -31.0% | 125,000 | 0.0% | 0.12% | -31.3% | |
| AUPH | AURINIA PHARMACEUTICALS INC | $4,641,947 | -11.7% | 479,540 | 0.0% | 0.11% | -12.0% | |
| VIGIL NEUROSCIENCE INC | $4,436,405 | -4.0% | 471,958 | 0.0% | 0.11% | -3.6% | ||
| THESEUS PHARMACEUTICALS INC | $4,080,280 | +5.1% | 437,329 | 0.0% | 0.10% | +4.3% | ||
| KRYS | New | KRYSTAL BIOTECH INC | $4,097,377 | – | 34,901 | +100.0% | 0.10% | – |
| NVAX | Buy | NOVAVAX INC | $3,987,681 | +7.5% | 536,700 | +0.2% | 0.10% | +6.7% |
| PRTK | PARATEK PHARMACEUTICALS INC | $3,832,222 | -13.0% | 1,734,037 | 0.0% | 0.09% | -13.3% | |
| XILIO THERAPEUTICS INC | $3,774,789 | -17.4% | 1,440,759 | 0.0% | 0.09% | -17.4% | ||
| BEAM | BEAM THERAPEUTICS INC | $3,557,960 | +4.3% | 111,430 | 0.0% | 0.08% | +4.9% | |
| New | LEAP THERAPEUTICS INC | $3,363,238 | – | 1,074,517 | +100.0% | 0.08% | – | |
| New | ACELYRIN INC | $2,965,208 | – | 141,876 | +100.0% | 0.07% | – | |
| FATE | FATE THERAPEUTICS INC | $2,914,143 | -16.5% | 612,215 | 0.0% | 0.07% | -16.9% | |
| DSGN | DESIGN THERAPEUTICS INC | $2,900,463 | +9.2% | 460,391 | 0.0% | 0.07% | +9.5% | |
| GOSSAMER BIO INCnote 5.000% 6/0 | $2,888,997 | +9.4% | 9,573,000 | 0.0% | 0.07% | +9.5% | ||
| BDTX | New | BLACK DIAMOND THERAPEUTICS I | $2,844,327 | – | 563,233 | +100.0% | 0.07% | – |
| TRAVERE THERAPEUTICS INCnote 2.500% 9/1 | $2,856,545 | -8.6% | 3,250,000 | 0.0% | 0.07% | -9.3% | ||
| ADAP | ADAPTIMMUNE THERAPEUTICS PLCsponds adr | $2,578,757 | -15.1% | 2,787,845 | 0.0% | 0.06% | -16.4% | |
| FULC | FULCRUM THERAPEUTICS INC | $2,401,321 | +15.8% | 727,673 | 0.0% | 0.06% | +16.3% | |
| KNTE | KINNATE BIOPHARMA INC | $2,263,328 | -51.5% | 746,973 | 0.0% | 0.05% | -51.4% | |
| IMGN | New | IMMUNOGEN INC | $2,125,139 | – | 112,620 | +100.0% | 0.05% | – |
| NVTA | Sell | INVITAE CORP | $1,865,059 | -57.4% | 1,650,495 | -49.1% | 0.04% | -57.7% |
| EPIX | Buy | ESSA PHARMA INC | $1,790,956 | +14.9% | 663,317 | +26.4% | 0.04% | +16.2% |
| AGLE | AEGLEA BIOTHERAPEUTICS INC | $1,537,965 | +55.3% | 3,413,906 | 0.0% | 0.04% | +54.2% | |
| CGEN | COMPUGEN LTDord | $1,470,589 | +62.4% | 1,289,990 | 0.0% | 0.04% | +59.1% | |
| GMDA | Sell | GAMIDA CELL LTD | $1,379,994 | -27.3% | 715,023 | -69.5% | 0.03% | -26.7% |
| GOSS | GOSSAMER BIO INC | $1,320,329 | -4.8% | 1,100,274 | 0.0% | 0.03% | -6.1% | |
| NEUROCRINE BIOSCIENCES INCnote 2.250% 5/1 | $1,276,050 | -5.6% | 1,000,000 | 0.0% | 0.03% | -6.2% | ||
| VINC | VINCERX PHARMA INC | $1,159,235 | +25.0% | 891,719 | 0.0% | 0.03% | +27.3% | |
| APLT | APPLIED THERAPEUTICS INC | $999,412 | +57.8% | 780,791 | 0.0% | 0.02% | +60.0% | |
| SPRO | SPERO THERAPEUTICS INC | $970,823 | 0.0% | 669,533 | 0.0% | 0.02% | 0.0% | |
| ALT | ALTIMMUNE INC | $788,090 | -16.4% | 223,255 | 0.0% | 0.02% | -13.6% | |
| NKTX | Sell | NKARTA INC | $726,140 | -48.0% | 331,571 | -15.7% | 0.02% | -48.5% |
| TPST | Sell | TEMPEST THERAPEUTICS INC | $680,992 | -64.4% | 536,214 | -34.9% | 0.02% | -65.2% |
| NEVRO CORPnote 2.750% 4/0 | $462,430 | -1.6% | 500,000 | 0.0% | 0.01% | 0.0% | ||
| ACELRX PHARMACEUTICALS INC | $351,271 | +68.7% | 316,460 | 0.0% | 0.01% | +60.0% | ||
| BCEL | ATRECA INC | $355,279 | -14.0% | 362,530 | 0.0% | 0.01% | -20.0% | |
| NUVBWS | NUVATION BIO INC*w exp 07/07/202 | $22,167 | +37.8% | 134,028 | 0.0% | 0.00% | – | |
| LPTX | Exit | LEAP THERAPEUTICS INC | $0 | – | -4,655,186 | -100.0% | -0.04% | – |
| ETNB | Exit | 89BIO INCcall | $0 | – | -164,500 | -100.0% | -0.06% | – |
| VERV | Exit | VERVE THERAPEUTICS INC | $0 | – | -558,837 | -100.0% | -0.19% | – |
| AMYT | Exit | AMRYT PHARMA PLCsponsored ads | $0 | – | -1,325,625 | -100.0% | -0.46% | – |
| RXDX | Exit | PROMETHEUS BIOSCIENCES INC | $0 | – | -1,031,550 | -100.0% | -2.64% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR filed 2023-08-14
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/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 |
| 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.