Rock Springs Capital Management LP

CIK Number: 0001595725

1.6B
Market Value
76
# of Holdings
16 months
Avg. Holding Period
Win Rate
Peformance 3-Years

Filing Date: May 15, 2025

Rank Symbol Name Price % Change Shares % Change Shares Market Value Avg. Price Paid % Weight Asset Type
1 ARGX argenx SE
656.84
-0.68% 175.75K -23.45% 104.02M 160.41 5.95% Share
2 LLY Eli Lilly and C...
704.12
+0.87% 113.5K -21.45% 93.74M 712.53 5.36% Share
3 BPMC Blueprint Medic...
129.46
+0.14% 1.01M -8.14% 89.18M 70.28 5.10% Share
4 MDGL Madrigal Pharma...
379.83
-2.96% 166.7K -37.15% 55.22M 139.71 3.16% Share
5 UNH UnitedHealth Gr...
304.22
-1.38% 100.5K -42.9% 52.64M 312.03 3.01% Share
6 TVTX Travere Therape...
17.63
-6.1% 2.92M -41.27% 52.35M 13.84 3.00% Share
7 ISRG Intuitive Surgi...
479.19
-0.43% 102K -52.78% 50.52M 61.23 2.89% Share
8 PEN Penumbra, Inc.
253.51
-0.72% 171K -28.75% 45.73M 167.43 2.62% Share
9 RVMD Revolution Medi...
36.56
+0.30% 1.28M +5.64% 45.32M 29.05 2.59% Share
10 RYTM Rhythm Pharmace...
97.20
-0.91% 834.19K -28.26% 44.19M 17.53 2.53% Share
11 MIRM Mirum Pharmaceu...
65.18
-2.25% 951.76K -35.32% 42.88M 16.98 2.45% Share
12 INSM Insmed Incorpor...
127.24
-0.02% 515.9K -6.2% 39.36M 66.34 2.25% Share
13 ALNY Alnylam Pharmac...
458.60
+0.38% 143.25K -44.09% 38.68M 110.37 2.21% Share
14 ASND Ascendis Pharma...
194.53
+0.23% 216K -29.18% 33.67M 92.14 1.93% Share
15 XENE Xenon Pharmaceu...
37.35
-1.24% 931.68K -25.58% 31.26M 24.02 1.79% Share
16 NBIX Neurocrine Bios...
132.91
-0.17% 279K -61.28% 30.86M 75.12 1.77% Share
17 NUVL Nuvalent, Inc.
74.73
-0.37% 427.53K -0.57% 30.32M 86.81 1.73% Share
18 AGL Agilon Health, ...
1.25
+1.22% 6.95M -6.88% 30.09M 35.11 1.72% Share
19 PHR Phreesia, Inc.
28.20
-3.09% 1.15M -43.71% 29.35M 25.7 1.68% Share
20 AKRO Akero Therapeut...
47.57
-2.1% 672.76K -28.92% 27.23M 29.31 1.56% Share
21 DXCM DexCom, Inc.
80.92
+0.12% 397.65K +12.65% 27.16M 102.09 1.55% Share
22 IRTC iRhythm Technol...
158.60
+0.42% 254.3K -36.03% 26.62M 75.1 1.52% Share
23 EVH Evolent Health,...
9.00
-0.22% 2.7M +30.86% 25.53M 22.46 1.46% Share
24 KYMR Kymera Therapeu...
42.59
-2.36% 794.44K -23.18% 21.74M 29.77 1.24% Share
25 GPCR Structure Thera...
18.82
-5.71% 1.13M +4.81% 19.61M 39.28 1.12% Share
26 SMMT Summit Therapeu...
25.36
-3.54% 995K -5.6% 19.19M 21.85 1.10% Share
27 EW Edwards Lifesci...
78.94
+0.82% 255K -53.21% 18.48M 43.63 1.06% Share
28 TARS Tarsus Pharmace...
53.68
-1.7% 354.38K +219.58% 18.2M 52.62 1.04% Share
29 IMVT Immunovant, Inc...
14.81
-2.92% 975.8K +7.34% 16.68M 36.47 0.95% Share
30 AZTA Azenta, Inc.
30.31
-0.36% 475K 0.00% 16.45M 55.96 0.94% Share
31 FOLD Amicus Therapeu...
7.33
-1.01% 1.91M -26.55% 15.58M 10.76 0.89% Share
32 WRBY Warby Parker In...
26.33
-3.69% 835K -9.24% 15.22M 28.69 0.87% Share
33 MREO Mereo BioPharma...
1.63
-2.98% 6.68M -30.37% 15.04M 2.76 0.86% Share
34 OSCR Oscar Health, I...
16.63
-0.12% 1.05M 0.00% 13.77M 12.79 0.79% Share
35 WST West Pharmaceut...
247.07
+1.64% 60.25K -64.3% 13.49M 288.05 0.77% Share
36 VERA Vera Therapeuti...
22.09
+1.31% 520.8K +6.75% 12.51M 40.72 0.72% Share
37 DHR Danaher Corpora...
212.00
+1.43% 58.8K +100.00% 12.05M 205 0.69% Share
38 SRPT Sarepta Therape...
20.20
-3.79% 159.3K -48.2% 10.17M 75.42 0.58% Share
39 AGIO Agios Pharmaceu...
36.18
-3.39% 342.18K -27.36% 10.03M 39.36 0.57% Share
40 PHVS Pharvaris N.V.
23.32
+5.26% 623.4K -19.57% 9.79M 21.57 0.56% Share
41 CMPX Compass Therape...
2.71
-5.57% 4.96M -14.13% 9.43M 3.1 0.54% Share
42 ELVN Enliven Therape...
19.78
+0.15% 465.87K +8.70% 9.17M 18.96 0.52% Share
43 SLNO Soleno Therapeu...
66.75
-1.97% 124.09K 0.00% 8.87M 44.95 0.51% Share
44 ARDX Ardelyx, Inc.
5.88
+1.12% 1.6M +9.66% 7.88M 5.06 0.45% Share
45 ACRS Aclaris Therape...
1.78
-3.51% 5.05M -18.66% 7.72M 6.82 0.44% Share
46 ZBIO Zenas BioPharma...
15.86
-8.22% 878.67K 0.00% 6.94M 16.92 0.40% Share
47 ETNB 89bio, Inc.
9.01
-4.61% 844.44K +52.77% 6.14M 7.63 0.35% Share
48 PRTA Prothena Corpor...
8.52
-0.12% 492.6K -23.58% 6.1M 16.92 0.35% Share
49 JANX Janux Therapeut...
24.72
-3.17% 204.47K 0.00% 5.52M 53.54 0.32% Share
50 DYN Dyne Therapeuti...
12.24
-0.69% 524.5K +10.53% 5.49M 26.35 0.31% Share
51 GOSS Gossamer Bio, I...
1.92
-3.77% 9.57M 0.00% 5.26M 1.01 0.30% Share
52 MLYS Mineralys Thera...
14.46
-5.74% 320.81K +100.00% 5.09M 15.88 0.29% Share
53 CGEM Cullinan Oncolo...
7.57
-4.78% 644.63K -13.14% 4.88M 16.7 0.28% Share
54 NVRO Nevro Corp.
5.84
0.00% 800.49K -51.43% 4.67M 49.32 0.27% Share
55 NVAX Novavax, Inc.
9.52
-2.01% 650K 0.00% 4.17M 48.48 0.24% Share
56 LUNG Pulmonx Corpora...
1.52
-5% 503.7K -34.77% 3.39M 48.73 0.19% Share
57 INZY Inozyme Pharma,...
4.00
+0.25% 3.45M -10.79% 3.14M 9.05 0.18% Share
58 BEAM Beam Therapeuti...
16.36
-4.36% 150.02K -40.52% 2.93M 31.36 0.17% Share
59 ATEC Alphatec Holdin...
15.81
-0.32% 267.5K +33.75% 2.71M 9.42 0.16% Share
60 SGMT Sagimet Bioscie...
6.92
-8.41% 787.81K 0.00% 2.57M 8.53 0.15% Share
61 EDAP Edap Tms S.a.
1.47
-0.34% 1.27M -20.22% 2.49M 7.24 0.14% Share
62 JSPR Jasper Therapeu...
2.87
-2.05% 545.17K +17.73% 2.34M 23.68 0.13% Share
63 LENZ LENZ Therapeuti...
37.65
-2.9% 83.08K +183.51% 2.14M 26.82 0.12% Share
64 REGN Regeneron Pharm...
571.00
-0.51% 2.8K +100.00% 1.78M 634.23 0.10% Share
65 APLS Apellis Pharmac...
26.65
-2.56% 80K 0.00% 1.75M 36.29 0.10% Share
66 BCRX BioCryst Pharma...
8.28
-1.25% 222.01K -91.71% 1.67M 8.89 0.10% Share
67 MGNX MacroGenics, In...
1.50
-1.64% 1.15M +8.69% 1.45M 14.67 0.08% Share
68 CGEN Compugen Ltd.
1.46
-5.81% 989.99K 0.00% 1.45M 5.58 0.08% Share
69 MRSN Mersana Therape...
7.28
-1.36% 3.81M +11.16% 1.31M 10.56 0.08% Share
70 NGNE Neurogene Inc.
19.68
-3.77% 104.34K +9.36% 1.22M 21.91 0.07% Share
71 AMLX Amylyx Pharmace...
7.81
-2.25% 343.23K +100.00% 1.22M 3.54 0.07% Share
72 SION Sionna Therapeu...
21.50
+0.49% 99.43K +100.00% 1.04M 10.46 0.06% Share
73 VIGL Vigil Neuroscie...
8.05
0.00% 471.96K 0.00% 840.09K 7.03 0.05% Share
74 PLRX Pliant Therapeu...
1.48
-5.73% 590K +45.75% 796.5K 18.22 0.05% Share
75 SPRB Spruce Bioscien...
8.95
-0.67% 2.61M 0.00% 756.91K 15.11 0.04% Share
76 KRRO Korro Bio, Inc.
19.17
-2.79% 35.72K 0.00% 621.87K 33.85 0.04% Share