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VOL. XII · NO. 117Established MMXIV · George Town, Grand CaymanAtlantic Edition · $4.50

The Cayman Journal

Finance · Business · Technology · Caribbean & Global Affairs
13F HOLDINGS REPORT

Rock Springs Capital Management LP

Quarter ended Q3 2024 · Filed November 14, 2024 · Accession 0001172661-24-004721

Total Value
$3.07B
Positions
109
Other Managers
0
Confidential Omitted
No
View on SEC.gov

Holdings (109)

#IssuerTicker / CUSIPSharesValue% of Filing
1UNITEDHEALTH GROUP INCUNH294,250$172.0M5.60%
2INTUITIVE SURGICAL INCISRG270,000$132.6M4.32%
3ARGENX SEARGX233,500$126.6M4.12%
4ELI LILLY & COLLY142,000$125.8M4.09%
5ULTRAGENYX PHARMACEUTICAL INRARE1,978,272$109.9M3.58%
6NEUROCRINE BIOSCIENCES INCNBIX939,000$108.2M3.52%
7EXACT SCIENCES CORP30063P1051,147,500$78.2M2.54%
8BLUEPRINT MEDICINES CORP09627Y109768,776$71.1M2.31%
9ALNYLAM PHARMACEUTICALS INCALNY250,000$68.8M2.24%
10TRAVERE THERAPEUTICS INCTVTX4,684,476$65.5M2.13%
11RHYTHM PHARMACEUTICALS INCRYTM1,228,093$64.3M2.09%
12MIRUM PHARMACEUTICALS INCMIRM1,580,488$61.6M2.01%
13FRESHPET INCFRPT446,500$61.1M1.99%
14EVOLENT HEALTH INCEVH2,070,000$58.5M1.90%
15MADRIGAL PHARMACEUTICALS INCMDGL263,062$55.8M1.82%
16PHREESIA INCPHR2,282,500$52.0M1.69%
17XENON PHARMACEUTICALS INCXENE1,316,477$51.8M1.69%
18ACADIA HEALTHCARE COMPANY INACHC815,000$51.7M1.68%
19PENUMBRA INCPEN265,000$51.5M1.68%
20WEST PHARMACEUTICAL SVSC INC955306105167,750$50.4M1.64%
21INSMED INCINSM683,344$49.9M1.62%
22KYMERA THERAPEUTICS INCKYMR1,049,386$49.7M1.62%
23ASCENDIS PHARMA A/SASND325,000$48.5M1.58%
24HUMANA INCHUM148,000$46.9M1.53%
25STRUCTURE THERAPEUTICS INCGPCR1,063,910$46.7M1.52%
26REVOLUTION MEDICINES INCRVMDW1,009,945$45.8M1.49%
27MERUS N VN5749R100892,549$44.6M1.45%
28NUVALENT INCNUVL429,994$44.0M1.43%
29MEREO BIOPHARMA GROUP PLCMREO9,534,170$39.2M1.27%
30BOSTON SCIENTIFIC CORPBSX460,000$38.5M1.25%
31SAREPTA THERAPEUTICS INCSRPT307,500$38.4M1.25%
32EDWARDS LIFESCIENCES CORPEW576,900$38.1M1.24%
33CELLDEX THERAPEUTICS INC NEWCLDX1,103,778$37.5M1.22%
34AGILON HEALTH INCAGL9,096,800$35.8M1.16%
35DEXCOM INCDXCM524,000$35.1M1.14%
36IMMUNOVANT INCIMVT1,221,309$34.8M1.13%
37ZAI LAB LTDZLAB1,315,673$31.8M1.03%
38INSULET CORPPODD134,000$31.2M1.01%
39AGIOS PHARMACEUTICALS INCAGIO699,389$31.1M1.01%
40IRHYTHM TECHNOLOGIES INCIRTC397,500$29.5M0.96%
41ALIGN TECHNOLOGY INCALGN114,500$29.1M0.95%
42BIOCRYST PHARMACEUTICALS INCBCRX3,622,358$27.5M0.90%
43INSPIRE MED SYS INC457730109130,000$27.4M0.89%
44AKERO THERAPEUTICS INC00973Y108933,399$26.8M0.87%
45AZENTA INCAZTA532,500$25.8M0.84%
46LEGEND BIOTECH CORPLEGN508,932$24.8M0.81%
47WARBY PARKER INCWRBY1,439,050$23.5M0.76%
48SUMMIT THERAPEUTICS INCSMMT1,040,000$22.8M0.74%
49LIFESTANCE HEALTH GROUP INCLFST3,101,000$21.7M0.71%
50OSCAR HEALTH INCOSCR1,011,400$21.5M0.70%
51INOZYME PHARMA INC45790W1083,802,883$19.9M0.65%
52VERA THERAPEUTICS INCVERA383,492$17.0M0.55%
53DYNE THERAPEUTICS INCDYN461,028$16.6M0.54%
54NOVO-NORDISK A SNONOF132,000$15.7M0.51%
55ZENAS BIOPHARMA INCZBIO878,667$14.9M0.48%
56APPLIED THERAPEUTICS INC03828A1011,746,449$14.8M0.48%
57CRINETICS PHARMACEUTICALS INCRNX289,400$14.8M0.48%
58PHARVARIS N VPHVS756,931$14.0M0.46%
59AMICUS THERAPEUTICS INCFOLD1,250,280$13.4M0.43%
60JOHNSON & JOHNSONJNJ80,000$13.0M0.42%
61CULLINAN THERAPEUTICS INCCGEM736,914$12.3M0.40%
62BICARA THERAPEUTICS INCBCAX445,975$11.4M0.37%
63ENLIVEN THERAPEUTICS INCELVN428,571$10.9M0.36%
64NEUMORA THERAPEUTICS INC.NMRA828,101$10.9M0.36%
65CYTOKINETICS INCCYTK206,108$10.9M0.35%
66BIOMARIN PHARMACEUTICAL INCBMRN151,000$10.6M0.35%
67PROTHENA CORP PLCPRTA625,048$10.5M0.34%
68COMPASS THERAPEUTICS INCCMPX5,629,239$10.4M0.34%
69KRYSTAL BIOTECH INCKRYS55,861$10.2M0.33%
70AURINIA PHARMACEUTICALS INCAUPH1,179,740$8.6M0.28%
71JASPER THERAPEUTICS INCJSPRW459,088$8.6M0.28%
72NOVAVAX INCNVAX650,000$8.2M0.27%
73XENCOR INCXNCR401,013$8.1M0.26%
74NEVRO CORP64157F1031,381,500$7.7M0.25%
75DYNAVAX TECHNOLOGIES CORP268158201605,013$6.7M0.22%
76SPRINGWORKS THERAPEUTICS INC85205L107199,855$6.4M0.21%
77BIOHAVEN LTDBHVN127,558$6.4M0.21%
78BEAM THERAPEUTICS INCBEAM249,923$6.1M0.20%
79PACIRA BIOSCIENCES INCPCRX400,000$6.0M0.20%
80NEWAMSTERDAM PHARMA COMPANYNAMSW353,319$5.9M0.19%
81MERSANA THERAPEUTICS INC59045L1063,046,782$5.8M0.19%
82PULMONX CORPLUNG691,300$5.7M0.19%
83ACUMEN PHARMACEUTICALS INCABOS2,300,059$5.7M0.19%
84PERSPECTIVE THERAPEUTICS INCCATX414,396$5.5M0.18%
85GOSSAMER BIO INCGOSS9,573,000$5.0M0.16%
86PLIANT THERAPEUTICS INCPLRX384,996$4.3M0.14%
87ESSA PHARMA INC29668H708677,005$4.1M0.13%
88EDAP TMS S AEDAP1,568,000$4.0M0.13%
89AUTOLUS THERAPEUTICS PLCAUTL1,032,988$3.7M0.12%
90MACROGENICS INCMGNX1,053,647$3.5M0.11%
91LEAP THERAPEUTICS INCCYPH1,266,546$3.3M0.11%
92GOSSAMER BIO INCGOSS3,266,960$3.2M0.10%
93ACLARIS THERAPEUTICS INCACRS2,753,495$3.2M0.10%
94XILIO THERAPEUTICS INCXLO3,003,259$2.4M0.08%
95APELLIS PHARMACEUTICALS INCAPLS80,000$2.3M0.08%
96ADAPTIMMUNE THERAPEUTICS PLCADTI2,425,468$2.3M0.07%
97SAGIMET BIOSCIENCES INCSGMT787,808$2.2M0.07%
98BIOMEA FUSION INCBMEA181,147$1.8M0.06%
99COMPUGEN LTDCGEN989,990$1.8M0.06%
100VIGIL NEUROSCIENCE INC92673K108471,958$1.6M0.05%
101SPRUCE BIOSCIENCES INCSPRB2,609,125$1.2M0.04%
102KORRO BIO INCKRRO35,719$1.2M0.04%
103KYVERNA THERAPEUTICS INCKYTX178,963$875,1290.03%
104ALLAKOS INC01671P1001,200,409$784,1070.03%
105VINCERX PHARMA INCVNCE891,719$638,4710.02%
106ACCOLADE INC00437E102160,217$616,8350.02%
107NEVRO CORP64157FAC7500,000$483,6230.02%
108TALPHERA INCTLPH316,460$271,0800.01%
109NUVATION BIO INCNUVB134,028$13,1210.00%