Latest Rock Springs Capital Management LP Stock Portfolio
$3.32Billion– No. of Holdings #107
Rock Springs Capital Management LP Performance:
2024 Q2: -2.97%YTD: -1.67%2023: 0.59%
Performance for 2024 Q2 is -2.97%, and YTD is -1.67%, and 2023 is 0.59%.
About Rock Springs Capital Management LP and 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 $3.3 Billions as of 30 Jun, 2024.
The top stock holdings of Rock Springs Capital Management LP are BPMC, UNH, ISRG. The fund has invested 8% of it's portfolio in BLUEPRINT MEDICINES CORP and 4.2% of portfolio in UNITEDHEALTH GROUP INC.
The fund managers got completely rid off SHOCKWAVE MED INC (SWAV), SURGERY PARTNERS INC (SGRY) and CEREVEL THERAPEUTICS HLDNG I (CERE) stocks. They significantly reduced their stock positions in IMMUNOCORE HLDGS PLC (IMCR), OLINK HLDG AB and PENUMBRA INC (PEN). Rock Springs Capital Management LP opened new stock positions in INSMED INC (INSM), JOHNSON & JOHNSON (JNJ) and CULLINAN THERAPEUTICS INC (CGEM). The fund showed a lot of confidence in some stocks as they added substantially to STRUCTURE THERAPEUTICS INC, XILIO THERAPEUTICS INC (XLO) and NUVALENT INC (NUVL).
The top stock holdings of Rock Springs Capital Management LP are BPMC, UNH, ISRG. The fund has invested 8% of it's portfolio in BLUEPRINT MEDICINES CORP and 4.2% of portfolio in UNITEDHEALTH GROUP INC.
The fund managers got completely rid off SHOCKWAVE MED INC (SWAV), SURGERY PARTNERS INC (SGRY) and CEREVEL THERAPEUTICS HLDNG I (CERE) stocks. They significantly reduced their stock positions in IMMUNOCORE HLDGS PLC (IMCR), OLINK HLDG AB and PENUMBRA INC (PEN). Rock Springs Capital Management LP opened new stock positions in INSMED INC (INSM), JOHNSON & JOHNSON (JNJ) and CULLINAN THERAPEUTICS INC (CGEM). The fund showed a lot of confidence in some stocks as they added substantially to STRUCTURE THERAPEUTICS INC, XILIO THERAPEUTICS INC (XLO) and NUVALENT INC (NUVL).
Rock Springs Capital Management LP Equity Portfolio Value
Last Reported on: 14 Aug, 2024
Rock Springs Capital Management LP Annual Return Estimates Vs S&P 500
Our best estimate is that Rock Springs Capital Management LP made a return of -2.97% in the last quarter. In trailing 12 months, it's portfolio return was -3.58%.
New Buys
| Ticker | $ Bought |
|---|---|
| insmed inc | 54,159,900 |
| johnson & johnson | 24,847,200 |
| cullinan therapeutics inc | 11,481,400 |
| springworks therapeutics inc | 7,528,540 |
| apellis pharmaceuticals inc | 5,397,250 |
| perspective therapeutics inc | 3,999,920 |
| korro bio inc | 1,209,800 |
| allakos inc | 1,200,410 |
New stocks bought by Rock Springs Capital Management LP
Additions
| Ticker | % Inc. |
|---|---|
| structure therapeutics inc | 142 |
| xilio therapeutics inc | 108 |
| nuvalent inc | 104 |
| beam therapeutics inc | 69.43 |
| leap therapeutics inc | 38.89 |
| travere therapeutics inc | 30.88 |
| nevro corp | 29.72 |
| novavax inc | 25.55 |
Additions to existing portfolio by Rock Springs Capital Management LP
Reductions
| Ticker | % Reduced |
|---|---|
| immunocore hldgs plc | -82.3 |
| olink hldg ab | -70.18 |
| mineralys therapeutics inc | -52.19 |
| penumbra inc | -47.52 |
| align technology inc | -42.05 |
| agios pharmaceuticals inc | -40.82 |
| oscar health inc | -40.69 |
| insulet corp | -39.06 |
Rock Springs Capital Management LP reduced stake in above stock
Sold off
| Ticker | $ Sold |
|---|---|
| amylyx pharmaceuticals inc | -2,872,410 |
| neurocrine biosciences inc | -1,807,250 |
| surgery partners inc | -29,382,600 |
| immatics n.v | -8,920,370 |
| reneo pharmaceuticals inc | -1,247,870 |
| collegium pharmaceutical inc | -21,816,800 |
| cerevel therapeutics hldng i | -23,161,700 |
| disc medicine inc | -22,629,500 |
Rock Springs Capital Management LP got rid off the above stocks
Sector Distribution
Rock Springs Capital Management LP has about 89.3% of it's holdings in Healthcare sector.
| Sector | % |
|---|---|
| Healthcare | 89.3 |
| Others | 8.9 |
| Consumer Defensive | 1.9 |
Market Cap. Distribution
Rock Springs Capital Management LP has about 36% of it's portfolio invested in the large-cap and mega-cap stocks.
| Category | % |
|---|---|
| MID-CAP | 40.9 |
| LARGE-CAP | 27.7 |
| SMALL-CAP | 10.7 |
| UNALLOCATED | 10.4 |
| MEGA-CAP | 8.3 |
| MICRO-CAP | 1.8 |
Stocks belong to which Index?
About 63.8% of the stocks held by Rock Springs Capital Management LP either belong to S&P 500 or RUSSELL 2000 index.
| Index | % |
|---|---|
| RUSSELL 2000 | 38.9 |
| Others | 36.2 |
| S&P 500 | 24.9 |
Rock Springs Capital Management LP Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of Rock Springs Capital Management LP
Rock Springs Capital Management LP has 107 stocks in it's portfolio. About 35.6% of the portfolio is in top 10 stocks. EVH proved to be the most loss making stock for the portfolio. INSM was the most profitable stock for Rock Springs Capital Management LP last quarter.
Last Reported on: 14 Aug, 2024| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| ABOS | acumen pharmaceuticals inc | 0.17 | 2,300,060 | 5,566,140 | unchanged | 0.00 | ||
| ACCD | accolade inc | 0.25 | 2,290,000 | 8,198,200 | reduced | -35.31 | ||
| ACHC | acadia healthcare company in | 2.39 | 1,177,500 | 79,528,400 | unchanged | 0.00 | ||
| ACRS | aclaris therapeutics inc | 0.09 | 2,753,500 | 3,028,840 | unchanged | 0.00 | ||
| ACRX | talphera inc | 0.01 | 316,460 | 281,649 | unchanged | 0.00 | ||
| ADAP | adaptimmune therapeutics plc | 0.07 | 2,425,470 | 2,364,590 | unchanged | 0.00 | ||
| AGIO | agios pharmaceuticals inc | 1.35 | 1,044,260 | 45,028,500 | reduced | -40.82 | ||
| AGL | agilon health inc | 1.75 | 8,900,000 | 58,206,000 | added | 0.74 | ||
| AKRO | akero therapeutics inc | 0.76 | 1,074,260 | 25,202,200 | reduced | -17.36 | ||
| ALGN | align technology inc | 0.93 | 127,500 | 30,782,300 | reduced | -42.05 | ||
| ALLK | allakos inc | 0.04 | 1,200,410 | 1,200,410 | new | |||
| ALNY | alnylam pharmaceuticals inc | 1.83 | 250,000 | 60,750,000 | added | 2.46 | ||
| AMLX | amylyx pharmaceuticals inc | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| APLS | apellis pharmaceuticals inc | 0.16 | 140,700 | 5,397,250 | new | |||
| APLT | applied therapeutics inc | 0.22 | 1,555,000 | 7,261,870 | added | 3.81 | ||
| AUPH | aurinia pharmaceuticals inc | 0.20 | 1,179,740 | 6,736,320 | added | 2.56 | ||
| AUTL | autolus therapeutics plc | 0.11 | 1,032,990 | 3,594,800 | unchanged | 0.00 | ||
| AZTA | azenta inc | 1.10 | 696,000 | 36,623,500 | added | 0.18 | ||
| BCRX | biocryst pharmaceuticals inc | 0.67 | 3,619,260 | 22,367,000 | added | 3.52 | ||
| BEAM | beam therapeutics inc | 0.18 | 249,923 | 5,855,700 | added | 69.43 | ||