Asset Manager
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Rock Springs Capital Management LP
Market Value
$1.9B
+14.4%
Holdings
103
+8
New Purchases
17
Added To
31
Closed
12
Reduced
24
Top 10 Concentration
41.7%
Turnover
28.2%
Top Buys (by % of Portfolio)
| Symbol | Cur % | Prior % | Chg % | Value |
|---|---|---|---|---|
| RVMD | 5.72% | 3.84% | +1.88% | $106M |
| TVTX | 4.55% | 3.19% | +1.36% | $84M |
| EXAS | 3.29% | 2.00% | +1.29% | $61M |
| GPCR | 2.80% | 1.64% | +1.16% | $52M |
| LLY | 6.10% | 4.95% | +1.14% | $113M |
| CDTX | 2.44% | 1.47% | +0.97% | $45M |
| COGT | 1.62% | 0.89% | +0.73% | $30M |
| UNH | 0.72% | 0.00% | +0.72% | $13M |
| FOLD | 1.48% | 0.94% | +0.53% | $27M |
| XBI | 1.46% | 0.94% | +0.52% | $27M |
| KYMR | 2.08% | 1.57% | +0.51% | $39M |
| MDGL | 4.38% | 3.89% | +0.49% | $81M |
| VERA | 1.55% | 1.10% | +0.45% | $29M |
| IMNM | 0.40% | 0.00% | +0.40% | $7M |
| RAPT | 0.39% | 0.00% | +0.39% | $7M |
Top Sells (by % of Portfolio)
| Symbol | Cur % | Prior % | Chg % | Value |
|---|---|---|---|---|
| MRUS | 0.00% | 3.46% | -3.46% | $0 |
| AKRO | 0.00% | 1.83% | -1.83% | $0 |
| ARGX | 4.67% | 6.48% | -1.81% | $87M |
| AGIO | 1.17% | 2.37% | -1.20% | $22M |
| EVH | 0.58% | 1.54% | -0.96% | $11M |
| ZLAB | 0.77% | 1.65% | -0.88% | $14M |
| RARE | 1.57% | 2.31% | -0.74% | $29M |
| OMDA | 0.63% | 1.25% | -0.62% | $12M |
| MREO | 0.00% | 0.58% | -0.58% | $0 |
| ALNY | 1.52% | 2.08% | -0.56% | $28M |
| CAI | 1.00% | 1.48% | -0.48% | $19M |
| LENZ | 0.22% | 0.68% | -0.46% | $4M |
| RYTM | 4.00% | 4.46% | -0.45% | $74M |
| INSM | 2.99% | 3.41% | -0.42% | $56M |
| ACLX | 0.60% | 0.90% | -0.31% | $11M |
Sector Allocation Over Time
Market Cap Concentration
| Tier | Holdings | Value | Weight |
|---|---|---|---|
| Mega Cap | 2 | $127M | 6.8% |
| Large Cap | 22 | $666M | 35.8% |
| Mid Cap | 41 | $800M | 43.1% |
| Small Cap | 27 | $217M | 11.7% |
| Micro Cap | 11 | $48M | 2.6% |
Portfolio Analytics
Avg Market Cap
$25.3B
Median Market Cap
$3.5B
Avg P/E
48.9
Median P/E
35.3
Avg Dividend Yield
0.00%
Avg Beta
0.84
# Stocks
102
# ETFs / Funds
1
Top Holdings (103 total)
| # | Symbol | % Port | Shares | Value | Avg Price | Q/Q Value Chg | Share Chg | Chg % | Status |
|---|---|---|---|---|---|---|---|---|---|
| 1 | LLY | 6.10% | 105,400 | $113M | $1,074.68 | $33M | — | — | |
| 2 | RVMD | 5.72% | 1,335,270 | $106M | $79.65 | $44M | — | — | |
| 3 | ARGX | 4.67% | 103,250 | $87M | $840.95 | -$18M | -39,500 | -27.7% | |
| 4 | TVTX | 4.55% | 2,210,322 | $84M | $38.21 | $33M | +45,549 | +2.1% | |
| 5 | MDGL | 4.38% | 139,618 | $81M | $582.34 | $18M | +1,872 | +1.4% | |
| 6 | RYTM | 4.00% | 695,010 | $74M | $107.04 | $2M | -22,092 | -3.1% | |
| 7 | EXAS | 3.29% | 601,800 | $61M | $101.56 | $29M | +8,300 | +1.4% | |
| 8 | MIRM | 3.24% | 762,294 | $60M | $78.99 | $4M | +1,168 | +0.1% | |
| 9 | INSM | 2.99% | 319,250 | $56M | $174.04 | $118K | -65,750 | -17.1% | |
| 10 | GPCR | 2.80% | 748,236 | $52M | $69.55 | $25M | -202,918 | -21.3% | |
| 11 | ISRG | 2.50% | 82,000 | $46M | $566.36 | $10M | — | — | |
| 12 | CDTX | 2.44% | 204,878 | $45M | $220.89 | $21M | -44,524 | -17.9% | |
| 13 | IRTC | 2.24% | 235,000 | $42M | $177.44 | $1M | — | — | |
| 14 | KYMR | 2.08% | 496,871 | $39M | $77.81 | $13M | +46,497 | +10.3% | |
| 15 | BSX | 2.05% | 399,050 | $38M | $95.35 | $3M | +38,800 | +10.8% | |
| 16 | PEN | 2.02% | 120,500 | $37M | $310.91 | $7M | — | — | |
| 17 | XENE | 1.90% | 787,788 | $35M | $44.82 | $1M | -63,956 | -7.5% | |
| 18 | SRRK | 1.74% | 733,477 | $32M | $44.05 | $3M | -60,656 | -7.6% | |
| 19 | COGT | 1.62% | 849,030 | $30M | $35.52 | $16M | -159,278 | -15.8% | |
| 20 | RARE | 1.57% | 1,267,241 | $29M | $23.00 | -$8M | +20,900 | +1.7% | |
| 21 | VERA | 1.55% | 568,579 | $29M | $50.64 | $11M | -48,817 | -7.9% | |
| 22 | ALNY | 1.52% | 71,250 | $28M | $397.65 | -$6M | -3,000 | -4.0% | |
| 23 | FOLD | 1.48% | 1,929,931 | $27M | $14.24 | $12M | -17,443 | -0.9% | |
| 24 | XBI | 1.46% | 222,000 | $27M | $121.93 | $12M | +70,250 | +46.3% | |
| 25 | THC | 1.34% | 125,000 | $25M | $198.72 | -$540K | — | — | |
| 26 | DXCM | 1.24% | 347,300 | $23M | $66.37 | $2M | +30,400 | +9.6% | |
| 27 | AGIO | 1.17% | 799,163 | $22M | $27.22 | -$17M | -159,379 | -16.6% | |
| 28 | TARS | 1.15% | 260,344 | $21M | $81.88 | $4M | -28,000 | -9.7% | |
| 29 | CMPX | 1.14% | 3,927,202 | $21M | $5.37 | $5M | -547,500 | -12.2% | |
| 30 | BRKS | 1.02% | 569,100 | $19M | $33.26 | $3M | +28,700 | +5.3% | |
| 31 | CLDX | 1.01% | 692,538 | $19M | $27.16 | $143K | -29,000 | -4.0% | |
| 32 | CAI | 1.00% | 687,500 | $19M | $26.98 | -$5M | -106,151 | -13.4% | |
| 33 | ZBIO | 0.98% | 502,077 | $18M | $36.31 | $5M | -78,600 | -13.5% | |
| 34 | DYN | 0.96% | 912,955 | $18M | $19.56 | $7M | +88,894 | +10.8% | |
| 35 | NBIX | 0.96% | 125,500 | $18M | $141.83 | $5M | +35,750 | +39.8% | |
| 36 | PHVS | 0.93% | 623,402 | $17M | $27.75 | $2M | — | — | |
| 37 | MLYS | 0.84% | 427,596 | $16M | $36.29 | $34K | +19,283 | +4.7% | |
| 38 | PHR | 0.80% | 876,600 | $15M | $16.92 | -$3M | +127,484 | +17.0% | |
| 39 | ZLAB | 0.77% | 811,546 | $14M | $17.64 | -$12M | +20,353 | +2.6% | |
| 40 | DHR | 0.76% | 61,500 | $14M | $228.92 | $2M | — | — | |
| 41 | UNH | 0.72% | 40,800 | $13M | $330.11 | — | +40,800 | — | NEW |
| 42 | ARDX | 0.72% | 2,299,473 | $13M | $5.83 | $809K | +13,200 | +0.6% | |
| 43 | ACRS | 0.72% | 4,453,741 | $13M | $3.01 | $5M | -155,568 | -3.4% | |
| 44 | SMMT | 0.67% | 710,000 | $12M | $17.49 | -$2M | — | — | |
| 45 | ELVN | 0.66% | 798,405 | $12M | $15.40 | -$2M | +112,298 | +16.4% | |
| 46 | INSP | 0.65% | 131,000 | $12M | $92.23 | $4M | +20,500 | +18.6% | |
| 47 | OMDA | 0.63% | 740,000 | $12M | $15.78 | -$9M | -179,950 | -19.6% | |
| 48 | ACLX | 0.60% | 169,859 | $11M | $65.20 | -$4M | -9,123 | -5.1% | |
| 49 | EVH | 0.58% | 2,675,000 | $11M | $4.00 | -$14M | -275,000 | -9.3% | |
| 50 | GOSS | 0.55% | 3,266,960 | $10M | $3.10 | $2M | — | — | |
| 51 | MBX | 0.48% | 282,624 | $9M | $31.54 | $4M | — | — | |
| 52 | CNTA | 0.44% | 324,015 | $8M | $25.01 | $6M | +254,775 | +368.0% | |
| 53 | HTFL | 0.44% | 277,700 | $8M | $29.15 | -$320K | +27,700 | +11.1% | |
| 54 | BBIO | 0.43% | 103,500 | $8M | $76.49 | $4M | +18,500 | +21.8% | |
| 55 | REGN | 0.42% | 10,100 | $8M | $771.87 | $1M | -1,200 | -10.6% | |
| 56 | IMNM | 0.40% | 347,666 | $7M | $21.48 | — | +347,666 | — | NEW |
| 57 | RAPT | 0.39% | 213,731 | $7M | $33.87 | — | +213,731 | — | NEW |
| 58 | BCAX | 0.39% | 429,095 | $7M | $16.83 | $1M | +58,429 | +15.8% | |
| 59 | EW | 0.38% | 82,500 | $7M | $85.25 | $189K | -5,500 | -6.2% | |
| 60 | ATEC | 0.34% | 302,500 | $6M | $21.04 | $2M | — | — | |
| 61 | AMLX | 0.32% | 499,764 | $6M | $12.08 | -$755K | — | — | |
| 62 | TMO | 0.31% | 10,000 | $6M | $579.45 | $944K | — | — | |
| 63 | JANX | 0.27% | 358,798 | $5M | $13.80 | -$190K | +148,432 | +70.6% | |
| 64 | SGRY | 0.26% | 310,000 | $5M | $15.45 | — | +310,000 | — | NEW |
| 65 | EYPT | 0.25% | 258,739 | $5M | $18.27 | $4M | +227,084 | +717.4% | |
| 66 | PTCT | 0.25% | 61,879 | $5M | $75.96 | — | +61,879 | — | NEW |
| 67 | MRSN | 0.24% | 152,586 | $4M | $28.93 | $3M | — | — | |
| 68 | TERN | 0.24% | 108,481 | $4M | $40.40 | — | +108,481 | — | NEW |
| 69 | RCUS | 0.23% | 180,000 | $4M | $23.83 | — | +180,000 | — | NEW |
| 70 | EDAP | 0.23% | 1,286,500 | $4M | $3.29 | $1M | +16,500 | +1.3% | |
| 71 | OCUL | 0.23% | 345,820 | $4M | $12.14 | $691K | +45,820 | +15.3% | |
| 72 | LENZ | 0.22% | 257,460 | $4M | $16.00 | -$7M | +21,233 | +9.0% | |
| 73 | TLPH | 0.22% | 3,589,186 | $4M | $1.14 | $886K | — | — | |
| 74 | SION | 0.22% | 99,429 | $4M | $41.14 | $1M | — | — | |
| 75 | TBPH | 0.21% | 208,771 | $4M | $18.71 | — | +208,771 | — | NEW |
| 76 | ALKS | 0.21% | 139,228 | $4M | $27.98 | $699K | +32,691 | +30.7% | |
| 77 | APLS | 0.20% | 150,500 | $4M | $25.12 | $2M | +58,500 | +63.6% | |
| 78 | ERAS | 0.19% | 951,710 | $4M | $3.72 | — | +951,710 | — | NEW |
| 79 | TNGX | 0.18% | 386,915 | $3M | $8.86 | — | +386,915 | — | NEW |
| 80 | OLMA | 0.13% | 98,240 | $2M | $25.00 | — | +98,240 | — | NEW |
| 81 | CYTK | 0.12% | 35,853 | $2M | $63.54 | — | +35,853 | — | NEW |
| 82 | PCVX | 0.12% | 47,000 | $2M | $46.14 | $2M | +35,900 | +323.4% | |
| 83 | NGNE | 0.12% | 104,339 | $2M | $20.60 | $341K | — | — | |
| 84 | ROIV | 0.10% | 88,750 | $2M | $21.70 | — | +88,750 | — | NEW |
| 85 | CORT | 0.09% | 50,250 | $2M | $34.80 | — | +50,250 | — | NEW |
| 86 | ACHC | 0.09% | 120,000 | $2M | $14.19 | -$3M | -50,000 | -29.4% | |
| 87 | TEVA | 0.08% | 45,500 | $1M | $31.21 | — | +45,500 | — | NEW |
| 88 | MLTX | 0.04% | 61,700 | $813K | $13.18 | $611K | +33,500 | +118.8% | |
| 89 | LEGN | 0.04% | 33,800 | $735K | $21.74 | — | +33,800 | — | NEW |
| 90 | JAZZ | 0.02% | 1,750 | $298K | $170.00 | — | +1,750 | — | NEW |
| 91 | NUVB-WT | —% | 134,028 | $44K | $0.33 | $17K | — | — | |
| 92 | PRTA | —% | — | — | — | -$248K | -25,398 | -100.0% | SOLD |
| 93 | IMVT | —% | — | — | — | -$1M | -72,965 | -100.0% | SOLD |
| 94 | CGEN | —% | — | — | — | -$20K | -13,430 | -100.0% | SOLD |
| 95 | CATX | —% | — | — | — | -$2M | -444,383 | -100.0% | SOLD |
| 96 | KRRO | —% | — | — | — | -$2M | -35,719 | -100.0% | SOLD |
| 97 | APLT | —% | — | — | — | -$1M | -2,075,991 | -100.0% | SOLD |
| 98 | MREO | —% | — | — | — | -$9M | -4,570,649 | -100.0% | SOLD |
| 99 | AKRO | —% | — | — | — | -$30M | -626,526 | -100.0% | SOLD |
| 100 | MRUS | —% | — | — | — | -$56M | -597,051 | -100.0% | SOLD |