Asset Manager
← All Institutions
Rock Springs Capital Management LP
Market Value
$1.5B
-8.1%
Holdings
97
-4
New Purchases
9
Added To
30
Closed
11
Reduced
28
Top 10 Concentration
38.1%
Turnover
20.6%
Top Buys (by % of Portfolio)
| Symbol | Cur % | Prior % | Chg % | Value |
|---|---|---|---|---|
| AGIO | 2.16% | 0.61% | +1.56% | $33M |
| CAI | 1.39% | 0.00% | +1.39% | $21M |
| MRUS | 3.68% | 2.49% | +1.18% | $56M |
| OMDA | 1.11% | 0.00% | +1.11% | $17M |
| INSM | 3.47% | 2.38% | +1.10% | $53M |
| RYTM | 3.58% | 2.67% | +0.91% | $54M |
| IRTC | 2.46% | 1.61% | +0.85% | $37M |
| XBI | 0.83% | 0.00% | +0.83% | $13M |
| BSX | 2.51% | 1.69% | +0.82% | $38M |
| ACLX | 0.81% | 0.00% | +0.81% | $12M |
| EXAS | 2.00% | 1.26% | +0.74% | $30M |
| AKRO | 2.25% | 1.65% | +0.60% | $34M |
| EVH | 2.09% | 1.54% | +0.55% | $32M |
| RVMD | 3.22% | 2.74% | +0.48% | $49M |
| THC | 1.50% | 1.06% | +0.45% | $23M |
Top Sells (by % of Portfolio)
| Symbol | Cur % | Prior % | Chg % | Value |
|---|---|---|---|---|
| BPMC | 1.56% | 5.39% | -3.83% | $24M |
| UNH | 1.04% | 3.18% | -2.15% | $16M |
| NUVL | 0.47% | 1.83% | -1.36% | $7M |
| TVTX | 1.86% | 3.16% | -1.31% | $28M |
| NBIX | 0.73% | 1.87% | -1.13% | $11M |
| LEGN | 0.00% | 1.05% | -1.05% | $0 |
| WRBY | 0.00% | 0.92% | -0.92% | $0 |
| IMVT | 0.23% | 1.01% | -0.77% | $4M |
| PEN | 2.17% | 2.76% | -0.59% | $33M |
| MDGL | 2.79% | 3.34% | -0.54% | $42M |
| SRPT | 0.08% | 0.61% | -0.54% | $1M |
| EW | 0.67% | 1.12% | -0.44% | $10M |
| ETNB | 0.03% | 0.37% | -0.35% | $393K |
| NVRO | 0.00% | 0.28% | -0.28% | $0 |
| NVAX | 0.02% | 0.25% | -0.23% | $340K |
Sector Allocation Over Time
Market Cap Concentration
| Tier | Holdings | Value | Weight |
|---|---|---|---|
| Mega Cap | 2 | $107M | 7.0% |
| Large Cap | 18 | $537M | 35.3% |
| Mid Cap | 36 | $653M | 42.9% |
| Small Cap | 24 | $185M | 12.2% |
| Micro Cap | 17 | $39M | 2.6% |
Portfolio Analytics
Avg Market Cap
$25.6B
Median Market Cap
$2.5B
Avg P/E
47.5
Median P/E
33.0
Avg Dividend Yield
0.00%
Avg Beta
0.94
# Stocks
96
# ETFs / Funds
1
Top Holdings (97 total)
| # | Symbol | % Port | Shares | Value | Avg Price | Q/Q Value Chg | Share Chg | Chg % | Status |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ARGX | 6.37% | 175,750 | $97M | $551.22 | -$7M | — | — | |
| 2 | LLY | 5.97% | 116,500 | $91M | $779.53 | -$3M | +3,000 | +2.6% | |
| 3 | MRUS | 3.68% | 1,063,608 | $56M | $52.60 | $15M | +82,857 | +8.4% | |
| 4 | RYTM | 3.58% | 861,153 | $54M | $63.19 | $10M | +26,965 | +3.2% | |
| 5 | INSM | 3.47% | 525,000 | $53M | $100.64 | $13M | +9,100 | +1.8% | |
| 6 | RARE | 3.33% | 1,391,072 | $51M | $36.36 | $87K | -3,362 | -0.2% | |
| 7 | RVMD | 3.22% | 1,330,960 | $49M | $36.79 | $4M | +49,320 | +3.9% | |
| 8 | ISRG | 2.93% | 82,000 | $45M | $543.41 | -$6M | -20,000 | -19.6% | |
| 9 | MDGL | 2.79% | 140,296 | $42M | $302.64 | -$13M | -26,402 | -15.8% | |
| 10 | MIRM | 2.74% | 818,206 | $42M | $50.89 | -$1M | -133,559 | -14.0% | |
| 11 | BSX | 2.51% | 355,000 | $38M | $107.41 | $10M | +78,000 | +28.2% | |
| 12 | IRTC | 2.46% | 242,500 | $37M | $153.96 | $11M | -11,800 | -4.6% | |
| 13 | AKRO | 2.25% | 640,526 | $34M | $53.36 | $7M | -32,233 | -4.8% | |
| 14 | PEN | 2.17% | 128,500 | $33M | $256.63 | -$13M | -42,500 | -24.9% | |
| 15 | AGIO | 2.16% | 989,745 | $33M | $33.26 | $23M | +647,565 | +189.2% | |
| 16 | ALNY | 2.14% | 100,000 | $33M | $326.09 | -$6M | -43,250 | -30.2% | |
| 17 | EVH | 2.09% | 2,820,700 | $32M | $11.26 | $6M | +125,000 | +4.6% | |
| 18 | ZLAB | 2.00% | 871,392 | $30M | $34.97 | -$2M | -33,200 | -3.7% | |
| 19 | EXAS | 2.00% | 572,000 | $30M | $53.14 | $10M | +92,000 | +19.2% | |
| 20 | XENE | 1.92% | 931,681 | $29M | $31.30 | -$2M | — | — | |
| 21 | TVTX | 1.86% | 1,908,208 | $28M | $14.80 | -$24M | -1,012,988 | -34.7% | |
| 22 | SRRK | 1.85% | 794,133 | $28M | $35.42 | $4M | +32,592 | +4.3% | |
| 23 | DXCM | 1.65% | 286,750 | $25M | $87.29 | -$2M | -110,900 | -27.9% | |
| 24 | PHR | 1.57% | 837,300 | $24M | $28.46 | -$6M | -311,036 | -27.1% | |
| 25 | BPMC | 1.56% | 185,500 | $24M | $128.18 | -$65M | -822,069 | -81.6% | |
| 26 | GPCR | 1.55% | 1,135,879 | $24M | $20.74 | $4M | +2,900 | +0.3% | |
| 27 | THC | 1.50% | 130,000 | $23M | $176.00 | $5M | — | — | |
| 28 | CAI | 1.39% | 793,651 | $21M | $26.72 | — | +793,651 | — | NEW |
| 29 | KYMR | 1.29% | 450,374 | $20M | $43.64 | -$2M | -344,063 | -43.3% | |
| 30 | OMDA | 1.11% | 919,951 | $17M | $18.30 | — | +919,951 | — | NEW |
| 31 | CLDX | 1.09% | 812,653 | $17M | $20.35 | $2M | — | — | |
| 32 | BRKS | 1.07% | 530,400 | $16M | $30.78 | -$128K | +55,400 | +11.7% | |
| 33 | ACHC | 1.04% | 696,000 | $16M | $22.69 | -$5M | +14,900 | +2.2% | |
| 34 | UNH | 1.04% | 50,500 | $16M | $311.97 | -$37M | -50,000 | -49.8% | |
| 35 | TARS | 1.00% | 373,750 | $15M | $40.51 | -$3M | +19,374 | +5.5% | |
| 36 | SMMT | 0.99% | 710,000 | $15M | $21.28 | -$4M | -285,000 | -28.6% | |
| 37 | OSCR | 0.99% | 700,000 | $15M | $21.44 | $1M | -350,000 | -33.3% | |
| 38 | VERA | 0.96% | 617,396 | $15M | $23.56 | $2M | +96,600 | +18.6% | |
| 39 | ELVN | 0.93% | 701,408 | $14M | $20.06 | $5M | +235,537 | +50.6% | |
| 40 | INSP | 0.92% | 107,500 | $14M | $129.77 | -$2M | +8,250 | +8.3% | |
| 41 | CMPX | 0.85% | 4,962,955 | $13M | $2.60 | $3M | — | — | |
| 42 | XBI | 0.83% | 151,750 | $13M | $82.93 | — | +151,750 | — | NEW |
| 43 | ACLX | 0.81% | 186,314 | $12M | $65.85 | — | +186,314 | — | NEW |
| 44 | MREO | 0.80% | 4,465,292 | $12M | $2.71 | -$3M | -2,218,955 | -33.2% | |
| 45 | DHR | 0.77% | 59,000 | $12M | $197.54 | -$399K | +200 | +0.3% | |
| 46 | FOLD | 0.74% | 1,960,334 | $11M | $5.73 | -$4M | +50,972 | +2.7% | |
| 47 | WST | 0.73% | 51,030 | $11M | $218.80 | -$2M | -9,220 | -15.3% | |
| 48 | NBIX | 0.73% | 88,800 | $11M | $125.69 | -$20M | -190,200 | -68.2% | |
| 49 | PHVS | 0.72% | 623,402 | $11M | $17.60 | $1M | — | — | |
| 50 | EW | 0.67% | 131,000 | $10M | $78.21 | -$8M | -124,000 | -48.6% | |
| 51 | ARDX | 0.59% | 2,286,273 | $9M | $3.92 | $1M | +681,298 | +42.5% | |
| 52 | NUVL | 0.47% | 93,328 | $7M | $76.30 | -$23M | -334,204 | -78.2% | |
| 53 | ACRS | 0.45% | 4,769,309 | $7M | $1.42 | -$948K | -277,000 | -5.5% | |
| 54 | CDTX | 0.43% | 134,133 | $7M | $48.71 | — | +134,133 | — | NEW |
| 55 | ZBIO | 0.41% | 640,467 | $6M | $9.69 | -$735K | -238,200 | -27.1% | |
| 56 | REGN | 0.39% | 11,300 | $6M | $525.00 | $4M | +8,500 | +303.6% | |
| 57 | COGT | 0.38% | 800,199 | $6M | $7.18 | — | +800,199 | — | NEW |
| 58 | DYN | 0.36% | 580,998 | $6M | $9.52 | $45K | +56,499 | +10.8% | |
| 59 | CGEM | 0.33% | 668,233 | $5M | $7.53 | $152K | +23,600 | +3.7% | |
| 60 | JANX | 0.32% | 210,266 | $5M | $23.10 | -$663K | +5,800 | +2.8% | |
| 61 | MLYS | 0.29% | 324,513 | $4M | $13.53 | -$704K | +3,700 | +1.1% | |
| 62 | TMO | 0.27% | 10,000 | $4M | $405.46 | — | +10,000 | — | NEW |
| 63 | GOSS | 0.26% | 3,266,960 | $4M | $1.23 | $425K | — | — | |
| 64 | IMVT | 0.23% | 221,500 | $4M | $16.00 | -$13M | -754,303 | -77.3% | |
| 65 | AMLX | 0.21% | 499,764 | $3M | $6.41 | $2M | +156,536 | +45.6% | |
| 66 | BCAX | 0.21% | 336,070 | $3M | $9.29 | -$1M | — | — | |
| 67 | PRTA | 0.20% | 492,601 | $3M | $6.07 | -$3M | — | — | |
| 68 | ATEC | 0.20% | 267,500 | $3M | $11.10 | $257K | — | — | |
| 69 | LENZ | 0.16% | 83,982 | $2M | $29.31 | $325K | +900 | +1.1% | |
| 70 | EDAP | 0.14% | 1,270,000 | $2M | $1.65 | -$394K | — | — | |
| 71 | CGEN | 0.12% | 989,990 | $2M | $1.78 | $317K | — | — | |
| 72 | SION | 0.11% | 99,429 | $2M | $17.35 | $685K | — | — | |
| 73 | LUNG | 0.11% | 651,100 | $2M | $2.59 | -$2M | +147,400 | +29.3% | |
| 74 | NGNE | 0.10% | 104,339 | $2M | $14.95 | $338K | — | — | |
| 75 | CATX | 0.10% | 444,383 | $2M | $3.44 | $582K | — | — | |
| 76 | APLS | 0.10% | 84,300 | $1M | $17.31 | -$290K | +4,300 | +5.4% | |
| 77 | SRPT | 0.08% | 68,600 | $1M | $17.10 | -$9M | -90,700 | -56.9% | |
| 78 | APLT | 0.04% | 2,075,991 | $646K | $0.31 | -$369K | +1,100 | +0.1% | |
| 79 | ADAP | 0.04% | 2,483,468 | $595K | $0.24 | $106K | — | — | |
| 80 | KRRO | 0.03% | 35,719 | $446K | $12.49 | -$176K | — | — | |
| 81 | CRL | 0.03% | 2,700 | $410K | $151.73 | — | +2,700 | — | NEW |
| 82 | ETNB | 0.03% | 40,000 | $393K | $9.82 | -$6M | -804,441 | -95.3% | |
| 83 | PCVX | 0.02% | 11,100 | $361K | $32.51 | — | +11,100 | — | NEW |
| 84 | NVAX | 0.02% | 53,900 | $340K | $6.30 | -$4M | -596,100 | -91.7% | |
| 85 | TLPH | 0.01% | 316,460 | $146K | $0.46 | -$11K | — | — | |
| 86 | NUVB-WT | —% | 134,028 | $36K | $0.27 | $4K | — | — | |
| 87 | NVRO | —% | — | — | — | -$5M | -800,494 | -100.0% | SOLD |
| 88 | SGMT | —% | — | — | — | -$3M | -787,808 | -100.0% | SOLD |
| 89 | KMTS | —% | — | — | — | -$4M | -145,000 | -100.0% | SOLD |
| 90 | VIGL | —% | — | — | — | -$840K | -471,958 | -100.0% | SOLD |
| 91 | BCRX | —% | — | — | — | -$2M | -222,011 | -100.0% | SOLD |
| 92 | WRBY | —% | — | — | — | -$15M | -835,000 | -100.0% | SOLD |
| 93 | INZY | —% | — | — | — | -$3M | -3,445,299 | -100.0% | SOLD |
| 94 | BEAM | —% | — | — | — | -$3M | -150,020 | -100.0% | SOLD |
| 95 | LEGN | —% | — | — | — | -$17M | -512,932 | -100.0% | SOLD |
| 96 | PLRX | —% | — | — | — | -$796K | -589,996 | -100.0% | SOLD |
| 97 | MGNX | —% | — | — | — | -$1M | -1,145,214 | -100.0% | SOLD |