Latest Rock Springs Capital Management LP Stock Portfolio
$3.94Billion
Equity Portfolio Value
Last Reported on: 15 May, 2024
About Rock Springs Capital Management LP and it’s 13F Hedge Fund Stock Holdings
Rock Springs Capital Management LP is a hedge fund based in BALTIMORE, MD. On 31-Mar-2023, the fund reported that it had an AUM (Regulated Assets under Management) of $5.7 Billions. In it's latest 13F Holdings report, Rock Springs Capital Management LP reported an equity portfolio of $3.9 Billions as of 31 Mar, 2024.
The top stock holdings of Rock Springs Capital Management LP are BPMC, IMCR, NBIX. The fund has invested 6% of it's portfolio in BLUEPRINT MEDICINES CORP and 3.9% of portfolio in IMMUNOCORE HLDGS PLC.
The fund managers got completely rid off KARUNA THERAPEUTICS INC (KRTX), MIRATI THERAPEUTICS INC (MRTX) and IMMUNOGEN INC (IMGN) stocks. They significantly reduced their stock positions in CEREVEL THERAPEUTICS HLDNG I (CERE), IMMATICS N.V (IMTX) and HUMANA INC (HUM). Rock Springs Capital Management LP opened new stock positions in SURGERY PARTNERS INC (SGRY), VIKING THERAPEUTICS INC (VKTX) and NOVO-NORDISK A S (NVO). The fund showed a lot of confidence in some stocks as they added substantially to OSCAR HEALTH INC (OSCR), AURINIA PHARMACEUTICALS INC (AUPH) and AMYLYX PHARMACEUTICALS INC (AMLX).
The top stock holdings of Rock Springs Capital Management LP are BPMC, IMCR, NBIX. The fund has invested 6% of it's portfolio in BLUEPRINT MEDICINES CORP and 3.9% of portfolio in IMMUNOCORE HLDGS PLC.
The fund managers got completely rid off KARUNA THERAPEUTICS INC (KRTX), MIRATI THERAPEUTICS INC (MRTX) and IMMUNOGEN INC (IMGN) stocks. They significantly reduced their stock positions in CEREVEL THERAPEUTICS HLDNG I (CERE), IMMATICS N.V (IMTX) and HUMANA INC (HUM). Rock Springs Capital Management LP opened new stock positions in SURGERY PARTNERS INC (SGRY), VIKING THERAPEUTICS INC (VKTX) and NOVO-NORDISK A S (NVO). The fund showed a lot of confidence in some stocks as they added substantially to OSCAR HEALTH INC (OSCR), AURINIA PHARMACEUTICALS INC (AUPH) and AMYLYX PHARMACEUTICALS INC (AMLX).
New Buys
| Ticker | $ Bought |
|---|---|
| SURGERY PARTNERS INC | 29,382,600 |
| VIKING THERAPEUTICS INC | 21,402,000 |
| NOVO-NORDISK A S | 18,939,000 |
| PHARVARIS N V | 17,400,100 |
| VERA THERAPEUTICS INC | 14,711,200 |
| CRINETICS PHARMACEUTICALS IN | 13,546,800 |
| CHARLES RIV LABS INTL INC | 13,141,100 |
| DYNE THERAPEUTICS INC | 12,827,300 |
New stocks bought by Rock Springs Capital Management LP
Additions
| Ticker | % Inc. |
|---|---|
| OSCAR HEALTH INC | 187 |
| AURINIA PHARMACEUTICALS INC | 178 |
| AMYLYX PHARMACEUTICALS INC | 89.04 |
| APPLIED THERAPEUTICS INC | 67.33 |
| ELI LILLY & CO | 48.56 |
| MADRIGAL PHARMACEUTICALS INC | 44.29 |
| STRUCTURE THERAPEUTICS INC | 43.94 |
| CELLDEX THERAPEUTICS INC NEW | 41.51 |
Additions to existing portfolio by Rock Springs Capital Management LP
Reductions
| Ticker | % Reduced |
|---|---|
| CEREVEL THERAPEUTICS HLDNG I | -79.51 |
| IMMATICS N.V | -54.74 |
| HUMANA INC | -52.45 |
| MINERALYS THERAPEUTICS INC | -32.11 |
| INSULET CORP | -25.88 |
| AGIOS PHARMACEUTICALS INC | -18.01 |
| BLUEPRINT MEDICINES CORP | -13.3 |
| NEUROCRINE BIOSCIENCES INC | -11.8 |
Rock Springs Capital Management LP reduced stake in above stock
Sold off
| Ticker | $ Sold |
|---|---|
| ICOSAVAX INC | -13,686,100 |
| MIRATI THERAPEUTICS INC | -49,101,800 |
| IMMUNOGEN INC | -22,515,200 |
| RELAY THERAPEUTICS INC | -7,420,370 |
| KARUNA THERAPEUTICS INC | -163,010,000 |
| AMGEN INC | -21,457,500 |
Rock Springs Capital Management LP got rid off the above stocks
Current Stock Holdings of Rock Springs Capital Management LP
Last Reported on: 15 May, 2024| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options |
|---|---|---|---|---|---|---|---|
| ABOS | ACUMEN PHARMACEUTICALS INC | 0.24 | 2,300,060 | 9,315,240 | UNCHANGED | 0.00 | |
| ACCD | ACCOLADE INC | 0.94 | 3,540,000 | 37,099,200 | ADDED | 1.58 | |
| ACHC | ACADIA HEALTHCARE COMPANY IN | 2.37 | 1,177,500 | 93,281,600 | ADDED | 9.69 | |
| ACRS | ACLARIS THERAPEUTICS INC | 0.09 | 2,753,500 | 3,414,330 | REDUCED | -8.17 | |
| ACRX | TALPHERA INC | 0.01 | 316,460 | 325,954 | UNCHANGED | 0.00 | |
| ADAP | ADAPTIMMUNE THERAPEUTICS PLC | 0.10 | 2,425,470 | 3,832,240 | UNCHANGED | 0.00 | |
| AGIO | AGIOS PHARMACEUTICALS INC | 1.31 | 1,764,500 | 51,594,100 | REDUCED | -18.01 | |
| AGL | AGILON HEALTH INC | 1.37 | 8,835,000 | 53,893,500 | ADDED | 2.38 | |
| AKRO | AKERO THERAPEUTICS INC | 0.83 | 1,299,890 | 32,835,200 | ADDED | 20.24 | |
| ALGN | ALIGN TECHNOLOGY INC | 1.83 | 220,000 | 72,142,400 | UNCHANGED | 0.00 | |
| ALNY | ALNYLAM PHARMACEUTICALS INC | 0.93 | 244,000 | 36,465,800 | ADDED | 3.83 | |
| AMGN | AMGEN INC | 0.00 | 0.00 | 0.00 | SOLD OFF | -100 | |
| AMLX | AMYLYX PHARMACEUTICALS INC | 0.07 | 1,011,410 | 2,872,410 | ADDED | 89.04 | |
| APLT | APPLIED THERAPEUTICS INC | 0.26 | 1,497,920 | 10,185,800 | ADDED | 67.33 | |
| ARGX | ARGENX SE | 2.29 | 229,250 | 90,260,300 | UNCHANGED | 0.00 | |
| ASND | ASCENDIS PHARMA A/S | 1.11 | 290,000 | 43,839,300 | UNCHANGED | 0.00 | |
| AUPH | AURINIA PHARMACEUTICALS INC | 0.15 | 1,150,350 | 5,763,240 | ADDED | 178 | |
| AUTL | AUTOLUS THERAPEUTICS PLC | 0.17 | 1,032,990 | 6,590,460 | NEW | ||
| AZTA | AZENTA INC | 1.06 | 694,750 | 41,879,500 | ADDED | 36.9 | |
| BCRX | BIOCRYST PHARMACEUTICALS INC | 0.45 | 3,496,260 | 17,761,000 | ADDED | 6.91 | |
| BEAM | BEAM THERAPEUTICS INC | 0.12 | 147,510 | 4,873,730 | ADDED | 32.38 | |
| BMEA | BIOMEA FUSION INC | 0.07 | 181,147 | 2,708,150 | UNCHANGED | 0.00 | |
| BMRN | BIOMARIN PHARMACEUTICAL INC | 0.33 | 148,832 | 12,999,000 | UNCHANGED | 0.00 | |
| BPMC | BLUEPRINT MEDICINES CORP | 6.02 | 2,498,450 | 237,003,000 | REDUCED | -13.3 | |
| BSX | BOSTON SCIENTIFIC CORP | 2.14 | 1,232,500 | 84,413,900 | UNCHANGED | 0.00 | |
| CERE | CEREVEL THERAPEUTICS HLDNG I | 0.59 | 547,946 | 23,161,700 | REDUCED | -79.51 | |
| CGEN | COMPUGEN LTD | 0.08 | 1,289,990 | 3,328,170 | UNCHANGED | 0.00 | |
| CLDX | CELLDEX THERAPEUTICS INC NEW | 1.46 | 1,372,180 | 57,590,600 | ADDED | 41.51 | |
| CMPX | COMPASS THERAPEUTICS INC | 0.28 | 5,513,790 | 10,917,300 | UNCHANGED | 0.00 | |
| COLL | COLLEGIUM PHARMACEUTICAL INC | 0.55 | 562,000 | 21,816,800 | UNCHANGED | 0.00 | |
| CRL | CHARLES RIV LABS INTL INC | 0.33 | 48,500 | 13,141,100 | NEW | ||
| CRNX | CRINETICS PHARMACEUTICALS IN | 0.34 | 289,400 | 13,546,800 | NEW | ||
| DVAX | DYNAVAX TECHNOLOGIES CORP | 0.53 | 1,675,470 | 20,792,600 | UNCHANGED | 0.00 | |
| DXCM | DEXCOM INC | 2.10 | 596,750 | 82,769,200 | ADDED | 0.13 | |
| DYN | DYNE THERAPEUTICS INC | 0.33 | 451,824 | 12,827,300 | NEW | ||
| EDAP | EDAP TMS S A | 0.28 | 1,475,000 | 10,841,200 | ADDED | 6.39 | |
| EPIX | ESSA PHARMA INC | 0.15 | 677,005 | 5,747,770 | UNCHANGED | 0.00 | |
| EVH | EVOLENT HEALTH INC | 3.32 | 3,987,500 | 130,750,000 | ADDED | 0.69 | |
| EW | EDWARDS LIFESCIENCES CORP | 1.57 | 647,300 | 61,856,000 | UNCHANGED | 0.00 | |
| EXAS | EXACT SCIENCES CORP | 1.86 | 1,059,750 | 73,186,300 | ADDED | 3.95 | |
| FOLD | AMICUS THERAPEUTICS INC | 0.34 | 1,152,660 | 13,578,300 | ADDED | 8.35 | |
| FRPT | FRESHPET INC | 1.95 | 662,500 | 76,757,200 | UNCHANGED | 0.00 | |
| FULC | FULCRUM THERAPEUTICS INC | 0.17 | 727,673 | 6,869,230 | UNCHANGED | 0.00 | |
| GOSS | GOSSAMER BIO INC | 0.10 | 3,266,960 | 3,855,010 | UNCHANGED | 0.00 | |
| GOSS | GOSSAMER BIO INC | 0.10 | 9,573,000 | 3,844,670 | UNCHANGED | 0.00 | |
| HUM | HUMANA INC | 1.30 | 147,408 | 51,109,300 | REDUCED | -52.45 | |
| ICVX | ICOSAVAX INC | 0.00 | 0.00 | 0.00 | SOLD OFF | -100 | |
| IDXX | IDEXX LABS INC | 2.46 | 179,250 | 96,782,500 | UNCHANGED | 0.00 | |
| IMCR | IMMUNOCORE HLDGS PLC | 3.91 | 2,367,820 | 153,908,000 | REDUCED | -11.03 | |
| IMGN | IMMUNOGEN INC | 0.00 | 0.00 | 0.00 | SOLD OFF | -100 | |
| IMTX | IMMATICS N.V | 0.23 | 848,751 | 8,920,370 | REDUCED | -54.74 | |
| IMVT | IMMUNOVANT INC | 0.94 | 1,150,120 | 37,160,500 | ADDED | 16.97 | |
| INSP | INSPIRE MED SYS INC | 0.71 | 130,500 | 28,030,100 | ADDED | 31.82 | |
| INZY | INOZYME PHARMA INC | 0.72 | 3,681,170 | 28,197,800 | UNCHANGED | 0.00 | |
| IRTC | IRHYTHM TECHNOLOGIES INC | 1.16 | 392,250 | 45,501,000 | ADDED | 11.83 | |
| ISRG | INTUITIVE SURGICAL INC | 3.02 | 298,500 | 119,128,000 | UNCHANGED | 0.00 | |
| JSPR | JASPER THERAPEUTICS INC | 0.30 | 404,335 | 11,871,300 | NEW | ||
| KRTX | KARUNA THERAPEUTICS INC | 0.00 | 0.00 | 0.00 | SOLD OFF | -100 | |
| KRYS | KRYSTAL BIOTECH INC | 0.47 | 103,969 | 18,499,200 | UNCHANGED | 0.00 | |
| KYMR | KYMERA THERAPEUTICS INC | 1.55 | 1,522,240 | 61,194,000 | UNCHANGED | 0.00 | |
| LEGN | LEGEND BIOTECH CORP | 0.71 | 499,486 | 28,016,200 | ADDED | 1.43 | |
| LFST | LIFESTANCE HEALTH GROUP INC | 0.75 | 4,780,000 | 29,492,600 | ADDED | 5.4 | |
| LLY | ELI LILLY & CO | 2.04 | 103,250 | 80,324,400 | ADDED | 48.56 | |
| LPTX | LEAP THERAPEUTICS INC | 0.06 | 911,937 | 2,425,750 | ADDED | 9.48 | |
| LUNG | PULMONX CORP | 0.15 | 652,400 | 6,047,750 | UNCHANGED | 0.00 | |
| MDGL | MADRIGAL PHARMACEUTICALS INC | 1.94 | 285,931 | 76,355,000 | ADDED | 44.29 | |
| MGNX | MACROGENICS INC | 0.49 | 1,305,250 | 19,213,300 | ADDED | 10.73 | |
| MIRM | MIRUM PHARMACEUTICALS INC | 1.18 | 1,856,560 | 46,636,900 | ADDED | 0.28 | |
| MREO | MEREO BIOPHARMA GROUP PLC | 0.68 | 8,142,110 | 26,869,000 | ADDED | 1.98 | |
| MRSN | MERSANA THERAPEUTICS INC | 0.35 | 3,046,780 | 13,649,600 | UNCHANGED | 0.00 | |
| MRTX | MIRATI THERAPEUTICS INC | 0.00 | 0.00 | 0.00 | SOLD OFF | -100 | |
| MRUS | MERUS N V | 1.31 | 1,146,560 | 51,629,600 | ADDED | 31.48 | |
| NBIX | NEUROCRINE BIOSCIENCES INC | 3.69 | 1,054,900 | 145,492,000 | REDUCED | -11.8 | |
| NBIX | NEUROCRINE BIOSCIENCES INC | 0.05 | 1,000,000 | 1,807,250 | UNCHANGED | 0.00 | |
| NUVB | NUVATION BIO INC | 0.00 | 134,028 | 40,543 | UNCHANGED | 0.00 | |
| NUVL | NUVALENT INC | 0.24 | 125,302 | 9,408,930 | NEW | ||
| NVAX | NOVAVAX INC | 0.06 | 537,625 | 2,569,850 | UNCHANGED | 0.00 | |
| NVO | NOVO-NORDISK A S | 0.48 | 147,500 | 18,939,000 | NEW | ||
| NVRO | NEVRO CORP | 0.39 | 1,065,000 | 15,378,600 | ADDED | 3.9 | |
| NVRO | NEVRO CORP | 0.01 | 500,000 | 473,869 | UNCHANGED | 0.00 | |
| OLK | OLINK HLDG AB | 1.00 | 1,676,500 | 39,414,500 | UNCHANGED | 0.00 | |
| OSCR | OSCAR HEALTH INC | 0.80 | 2,110,000 | 31,375,700 | ADDED | 187 | |
| PCRX | PACIRA BIOSCIENCES INC | 0.78 | 1,055,500 | 30,841,700 | UNCHANGED | 0.00 | |
| PEN | PENUMBRA INC | 2.86 | 505,000 | 112,706,000 | REDUCED | -6.05 | |
| PHR | PHREESIA INC | 1.44 | 2,365,000 | 56,594,400 | ADDED | 7.17 | |
| PHVS | PHARVARIS N V | 0.44 | 752,924 | 17,400,100 | NEW | ||
| PLRX | PLIANT THERAPEUTICS INC | 0.15 | 384,996 | 5,736,440 | UNCHANGED | 0.00 | |
| PODD | INSULET CORP | 1.39 | 320,000 | 54,848,000 | REDUCED | -25.88 | |
| PRTA | PROTHENA CORP PLC | 0.39 | 625,048 | 15,482,400 | UNCHANGED | 0.00 | |
| RARE | ULTRAGENYX PHARMACEUTICAL IN | 2.10 | 1,774,940 | 82,871,900 | ADDED | 1.19 | |
| RLAY | RELAY THERAPEUTICS INC | 0.00 | 0.00 | 0.00 | SOLD OFF | -100 | |
| RPHM | RENEO PHARMACEUTICALS INC | 0.03 | 751,730 | 1,247,870 | UNCHANGED | 0.00 | |
| RVMD | REVOLUTION MEDICINES INC | 0.76 | 923,681 | 29,770,200 | ADDED | 27.38 | |
| RYTM | RHYTHM PHARMACEUTICALS INC | 1.68 | 1,522,890 | 65,987,000 | UNCHANGED | 0.00 | |
| SGRY | SURGERY PARTNERS INC | 0.75 | 985,000 | 29,382,600 | NEW | ||
| SPRB | SPRUCE BIOSCIENCES INC | 0.05 | 2,609,120 | 2,050,510 | UNCHANGED | 0.00 | |
| SRPT | SAREPTA THERAPEUTICS INC | 1.08 | 327,600 | 42,411,100 | UNCHANGED | 0.00 | |
| SWAV | SHOCKWAVE MED INC | 1.12 | 135,000 | 43,960,000 | ADDED | 12.5 | |
| TVTX | TRAVERE THERAPEUTICS INC | 0.67 | 3,424,820 | 26,405,300 | ADDED | 23.58 | |
| UNH | UNITEDHEALTH GROUP INC | 2.89 | 230,000 | 113,781,000 | UNCHANGED | 0.00 | |
| VERA | VERA THERAPEUTICS INC | 0.37 | 341,168 | 14,711,200 | NEW | ||
| VIGL | VIGIL NEUROSCIENCE INC | 0.04 | 471,958 | 1,609,380 | UNCHANGED | 0.00 | |
| VINC | VINCERX PHARMA INC | 0.12 | 891,719 | 4,512,100 | UNCHANGED | 0.00 | |
| VKTX | VIKING THERAPEUTICS INC | 0.54 | 261,000 | 21,402,000 | NEW | ||
| WRBY | WARBY PARKER INC | 0.72 | 2,080,000 | 28,308,800 | ADDED | 2.55 | |
| WST | WEST PHARMACEUTICAL SVSC INC | 1.38 | 137,250 | 54,311,200 | UNCHANGED | 0.00 | |
| XENE | XENON PHARMACEUTICALS INC | 1.37 | 1,255,580 | 54,052,600 | UNCHANGED | 0.00 | |
| XLO | XILIO THERAPEUTICS INC | 0.04 | 1,440,760 | 1,556,020 | UNCHANGED | 0.00 | |
| ZLAB | ZAI LAB LTD | 0.53 | 1,297,120 | 20,779,900 | ADDED | 14.08 | |
| DISC MEDICINE INC | 0.58 | 363,468 | 22,629,500 | UNCHANGED | 0.00 | ||
| STRUCTURE THERAPEUTICS INC | 0.45 | 412,649 | 17,686,100 | ADDED | 43.94 | ||
| MINERALYS THERAPEUTICS INC | 0.26 | 792,615 | 10,232,700 | REDUCED | -32.11 | ||
| NEUMORA THERAPEUTICS INC. | 0.23 | 646,118 | 8,884,120 | NEW | |||
| ENLIVEN THERAPEUTICS INC | 0.19 | 428,571 | 7,538,560 | NEW | |||
| CG ONCOLOGY INC | 0.19 | 170,859 | 7,500,710 | NEW | |||
| BIOHAVEN LTD | 0.18 | 126,984 | 6,944,760 | NEW | |||
| KYVERNA THERAPEUTICS INC | 0.11 | 178,963 | 4,445,440 | NEW | |||
| SAGIMET BIOSCIENCES INC | 0.11 | 770,671 | 4,177,040 | ADDED | 4.38 | ||
| TRAVERE THERAPEUTICS INC | 0.07 | 3,250,000 | 2,841,580 | UNCHANGED | 0.00 |