Asset Manager
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Rock Springs Capital Management LP
Market Value
$1.6B
+6.2%
Holdings
94
-2
New Purchases
9
Added To
22
Closed
9
Reduced
33
Top 10 Concentration
39.9%
Turnover
19.1%
Top Buys (by % of Portfolio)
| Symbol | Cur % | Prior % | Chg % | Value |
|---|---|---|---|---|
| TVTX | 3.21% | 1.86% | +1.35% | $52M |
| MDGL | 3.92% | 2.80% | +1.12% | $63M |
| CDTX | 1.48% | 0.43% | +1.05% | $24M |
| RYTM | 4.49% | 3.58% | +0.91% | $72M |
| MIRM | 3.46% | 2.74% | +0.72% | $56M |
| MLYS | 0.96% | 0.29% | +0.67% | $15M |
| RVMD | 3.87% | 3.22% | +0.64% | $62M |
| HTFL | 0.52% | 0.00% | +0.52% | $8M |
| LENZ | 0.68% | 0.16% | +0.52% | $11M |
| COGT | 0.90% | 0.38% | +0.52% | $14M |
| ZBIO | 0.80% | 0.41% | +0.39% | $13M |
| MBX | 0.31% | 0.00% | +0.31% | $5M |
| KYMR | 1.58% | 1.29% | +0.29% | $25M |
| DYN | 0.65% | 0.36% | +0.28% | $10M |
| BBIO | 0.27% | 0.00% | +0.27% | $4M |
Top Sells (by % of Portfolio)
| Symbol | Cur % | Prior % | Chg % | Value |
|---|---|---|---|---|
| BPMC | 0.00% | 1.57% | -1.57% | $0 |
| UNH | 0.00% | 1.04% | -1.04% | $0 |
| RARE | 2.32% | 3.33% | -1.01% | $37M |
| LLY | 4.99% | 5.98% | -0.99% | $80M |
| OSCR | 0.00% | 0.99% | -0.99% | $0 |
| ACHC | 0.26% | 1.04% | -0.78% | $4M |
| ISRG | 2.27% | 2.93% | -0.66% | $37M |
| WST | 0.16% | 0.74% | -0.58% | $3M |
| EVH | 1.55% | 2.09% | -0.54% | $25M |
| PHR | 1.09% | 1.57% | -0.48% | $18M |
| NUVL | 0.00% | 0.47% | -0.47% | $0 |
| INSP | 0.51% | 0.92% | -0.41% | $8M |
| AKRO | 1.84% | 2.25% | -0.41% | $30M |
| ZLAB | 1.66% | 2.01% | -0.34% | $27M |
| CGEM | 0.00% | 0.33% | -0.33% | $0 |
Sector Allocation Over Time
Market Cap Concentration
| Tier | Holdings | Value | Weight |
|---|---|---|---|
| Mega Cap | 3 | $85M | 5.3% |
| Large Cap | 19 | $562M | 34.8% |
| Mid Cap | 38 | $691M | 42.8% |
| Small Cap | 19 | $223M | 13.8% |
| Micro Cap | 15 | $52M | 3.2% |
Portfolio Analytics
Avg Market Cap
$28.5B
Median Market Cap
$3.5B
Avg P/E
48.5
Median P/E
35.6
Avg Dividend Yield
0.00%
Avg Beta
0.86
# Stocks
93
# ETFs / Funds
1
Top Holdings (94 total)
| # | Symbol | % Port | Shares | Value | Avg Price | Q/Q Value Chg | Share Chg | Chg % | Status |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ARGX | 6.53% | 142,750 | $105M | $737.56 | $8M | -33,000 | -18.8% | |
| 2 | LLY | 4.99% | 105,400 | $80M | $763.00 | -$10M | -11,100 | -9.5% | |
| 3 | RYTM | 4.49% | 717,102 | $72M | $100.99 | $18M | -144,051 | -16.7% | |
| 4 | MDGL | 3.92% | 137,746 | $63M | $458.66 | $21M | -2,550 | -1.8% | |
| 5 | RVMD | 3.87% | 1,335,270 | $62M | $46.70 | $13M | +4,310 | +0.3% | |
| 6 | MRUS | 3.49% | 597,051 | $56M | $94.15 | $267K | -466,557 | -43.9% | |
| 7 | MIRM | 3.46% | 761,126 | $56M | $73.31 | $14M | -57,080 | -7.0% | |
| 8 | INSM | 3.44% | 385,000 | $55M | $144.01 | $3M | -140,000 | -26.7% | |
| 9 | TVTX | 3.21% | 2,164,773 | $52M | $23.90 | $23M | +256,565 | +13.4% | |
| 10 | IRTC | 2.51% | 235,000 | $40M | $171.99 | $3M | -7,500 | -3.1% | |
| 11 | AGIO | 2.39% | 958,542 | $38M | $40.14 | $6M | -31,203 | -3.1% | |
| 12 | RARE | 2.32% | 1,246,341 | $37M | $30.08 | -$13M | -144,731 | -10.4% | |
| 13 | ISRG | 2.27% | 82,000 | $37M | $447.23 | -$8M | — | — | |
| 14 | BSX | 2.18% | 360,250 | $35M | $97.63 | -$3M | +5,250 | +1.5% | |
| 15 | XENE | 2.12% | 851,744 | $34M | $40.15 | $5M | -79,937 | -8.6% | |
| 16 | ALNY | 2.10% | 74,250 | $34M | $456.00 | $1M | -25,750 | -25.8% | |
| 17 | EXAS | 2.01% | 593,500 | $32M | $54.71 | $2M | +21,500 | +3.8% | |
| 18 | PEN | 1.89% | 120,500 | $31M | $253.32 | -$2M | -8,000 | -6.2% | |
| 19 | AKRO | 1.84% | 626,526 | $30M | $47.48 | -$4M | -14,000 | -2.2% | |
| 20 | SRRK | 1.83% | 794,133 | $30M | $37.24 | $1M | — | — | |
| 21 | ZLAB | 1.66% | 791,193 | $27M | $33.89 | -$4M | -80,199 | -9.2% | |
| 22 | GPCR | 1.65% | 951,154 | $27M | $28.00 | $3M | -184,725 | -16.3% | |
| 23 | KYMR | 1.58% | 450,374 | $25M | $56.60 | $6M | — | — | |
| 24 | THC | 1.57% | 125,000 | $25M | $203.04 | $2M | -5,000 | -3.9% | |
| 25 | EVH | 1.55% | 2,950,000 | $25M | $8.46 | -$7M | +129,300 | +4.6% | |
| 26 | CAI | 1.49% | 793,651 | $24M | $30.25 | $3M | — | — | |
| 27 | CDTX | 1.48% | 249,402 | $24M | $95.76 | $17M | +115,269 | +85.9% | |
| 28 | DXCM | 1.32% | 316,900 | $21M | $67.29 | -$4M | +30,150 | +10.5% | |
| 29 | OMDA | 1.26% | 919,950 | $20M | $22.11 | $4M | -1 | — | |
| 30 | CLDX | 1.16% | 721,538 | $19M | $25.87 | $2M | -91,115 | -11.2% | |
| 31 | VERA | 1.11% | 617,396 | $18M | $29.06 | $3M | — | — | |
| 32 | PHR | 1.09% | 749,116 | $18M | $23.52 | -$6M | -88,184 | -10.5% | |
| 33 | TARS | 1.06% | 288,344 | $17M | $59.43 | $2M | -85,406 | -22.9% | |
| 34 | CMPX | 0.97% | 4,474,702 | $16M | $3.50 | $3M | -488,253 | -9.8% | |
| 35 | BRKS | 0.96% | 540,400 | $16M | $28.72 | -$805K | +10,000 | +1.9% | |
| 36 | MLYS | 0.96% | 408,313 | $15M | $37.92 | $11M | +83,800 | +25.8% | |
| 37 | FOLD | 0.95% | 1,947,374 | $15M | $7.88 | $4M | -12,960 | -0.7% | |
| 38 | XBI | 0.94% | 151,750 | $15M | $100.20 | $3M | — | — | |
| 39 | ACLX | 0.91% | 178,982 | $15M | $82.10 | $2M | -7,332 | -3.9% | |
| 40 | SMMT | 0.91% | 710,000 | $15M | $20.66 | -$440K | — | — | |
| 41 | COGT | 0.90% | 1,008,308 | $14M | $14.36 | $9M | +208,109 | +26.0% | |
| 42 | ELVN | 0.87% | 686,107 | $14M | $20.47 | -$26K | -15,301 | -2.2% | |
| 43 | ZBIO | 0.80% | 580,677 | $13M | $22.20 | $7M | -59,790 | -9.3% | |
| 44 | NBIX | 0.78% | 89,750 | $13M | $140.38 | $1M | +950 | +1.1% | |
| 45 | ARDX | 0.78% | 2,286,273 | $13M | $5.51 | $4M | — | — | |
| 46 | DHR | 0.76% | 61,500 | $12M | $198.26 | $538K | +2,500 | +4.2% | |
| 47 | LENZ | 0.68% | 236,227 | $11M | $46.58 | $9M | +152,245 | +181.3% | |
| 48 | SLNO | 0.65% | 154,528 | $10M | $67.60 | -$3M | — | — | |
| 49 | DYN | 0.65% | 824,061 | $10M | $12.65 | $5M | +243,063 | +41.8% | |
| 50 | MREO | 0.58% | 4,570,649 | $9M | $2.06 | -$3M | +105,357 | +2.4% | |
| 51 | ACRS | 0.54% | 4,609,309 | $9M | $1.90 | $2M | -160,000 | -3.4% | |
| 52 | HTFL | 0.52% | 250,000 | $8M | $33.66 | — | +250,000 | — | NEW |
| 53 | INSP | 0.51% | 110,500 | $8M | $74.20 | -$6M | +3,000 | +2.8% | |
| 54 | EW | 0.42% | 88,000 | $7M | $77.77 | -$3M | -43,000 | -32.8% | |
| 55 | AMLX | 0.42% | 499,764 | $7M | $13.59 | $4M | — | — | |
| 56 | REGN | 0.39% | 11,300 | $6M | $562.27 | $421K | — | — | |
| 57 | BCAX | 0.36% | 370,666 | $6M | $15.79 | $3M | +34,596 | +10.3% | |
| 58 | JANX | 0.32% | 210,366 | $5M | $24.44 | $284K | +100 | +0.1% | |
| 59 | MBX | 0.31% | 282,624 | $5M | $17.50 | — | +282,624 | — | NEW |
| 60 | TMO | 0.30% | 10,000 | $5M | $485.02 | $796K | — | — | |
| 61 | BBIO | 0.27% | 85,000 | $4M | $51.94 | — | +85,000 | — | NEW |
| 62 | ATEC | 0.27% | 302,500 | $4M | $14.54 | $1M | +35,000 | +13.1% | |
| 63 | ACHC | 0.26% | 170,000 | $4M | $24.76 | -$12M | -526,000 | -75.6% | |
| 64 | OCUL | 0.22% | 300,000 | $4M | $11.69 | — | +300,000 | — | NEW |
| 65 | TLPH | 0.20% | 3,589,186 | $3M | $0.89 | $3M | +3,272,726 | +1034.2% | |
| 66 | ALKS | 0.20% | 106,537 | $3M | $30.00 | — | +106,537 | — | NEW |
| 67 | SION | 0.18% | 99,429 | $3M | $29.41 | $1M | — | — | |
| 68 | EDAP | 0.18% | 1,270,000 | $3M | $2.29 | $813K | — | — | |
| 69 | JSPR | 0.16% | 1,100,726 | $3M | $2.38 | -$406K | +555,555 | +101.9% | |
| 70 | WST | 0.16% | 9,750 | $3M | $262.33 | -$9M | -41,280 | -80.9% | |
| 71 | APLS | 0.13% | 92,000 | $2M | $22.63 | $623K | +7,700 | +9.1% | |
| 72 | NGNE | 0.11% | 104,339 | $2M | $17.33 | $248K | — | — | |
| 73 | KRRO | 0.11% | 35,719 | $2M | $47.89 | $1M | — | — | |
| 74 | CNTA | 0.10% | 69,240 | $2M | $24.25 | — | +69,240 | — | NEW |
| 75 | CATX | 0.09% | 444,383 | $2M | $3.43 | -$4K | — | — | |
| 76 | APLT | 0.08% | 2,075,991 | $1M | $0.60 | $610K | — | — | |
| 77 | MRSN | 0.07% | 152,586 | $1M | $7.76 | — | +152,586 | — | NEW |
| 78 | IMVT | 0.07% | 72,965 | $1M | $16.12 | -$2M | -148,535 | -67.1% | |
| 79 | EYPT | 0.03% | 31,655 | $451K | $14.24 | — | +31,655 | — | NEW |
| 80 | CRL | 0.03% | 2,700 | $422K | $156.46 | $13K | — | — | |
| 81 | PCVX | 0.02% | 11,100 | $400K | $36.02 | $39K | — | — | |
| 82 | NVAX | 0.02% | 45,000 | $390K | $8.67 | $51K | -8,900 | -16.5% | |
| 83 | MLTX | 0.01% | 28,200 | $202K | $7.17 | — | +28,200 | — | NEW |
| 84 | NUVB-WT | —% | 134,028 | $27K | $0.20 | -$9K | — | — | |
| 85 | CGEN | —% | 13,430 | $20K | $1.47 | -$2M | -976,560 | -98.6% | |
| 86 | OSCR | —% | — | — | — | -$15M | -700,000 | -100.0% | SOLD |
| 87 | ADAP | —% | — | — | — | -$595K | -2,483,468 | -100.0% | SOLD |
| 88 | BPMC | —% | — | — | — | -$24M | -185,500 | -100.0% | SOLD |
| 89 | NUVL | —% | — | — | — | -$7M | -93,328 | -100.0% | SOLD |
| 90 | CGEM | —% | — | — | — | -$5M | -668,233 | -100.0% | SOLD |
| 91 | ETNB | —% | — | — | — | -$393K | -40,000 | -100.0% | SOLD |
| 92 | SRPT | —% | — | — | — | -$1M | -68,600 | -100.0% | SOLD |
| 93 | LUNG | —% | — | — | — | -$2M | -651,100 | -100.0% | SOLD |
| 94 | UNH | —% | — | — | — | -$16M | -50,500 | -100.0% | SOLD |