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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

RTW INVESTMENTS, LP

Quarter ended Q2 2023 · Filed May 15, 2023 · Accession 0001493152-23-016865

Total Value
$4.80B
Positions
60
Other Managers
3
Confidential Omitted
No
View on SEC.gov

Holdings (60)

#IssuerTicker / CUSIPSharesValue% of Filing
1PROMETHEUS BIOSCIENCES INC74349U1083,272,104$351.2M7.31%
2PTC THERAPEUTICS INCPTCT7,093,298$343.6M7.16%
3ALNYLAM PHARMACEUTICALS INCALNY1,683,362$337.2M7.02%
4ROCKET PHARMACEUTICALS INCRCKTW17,687,772$303.0M6.31%
5IMMUNOCORE HLDGS PLCIMCR5,649,943$279.3M5.82%
6MASIMO CORPMASI1,501,493$277.1M5.77%
7AXSOME THERAPEUTICS INCAXSM3,780,855$233.2M4.86%
8PENUMBRA INCPEN673,371$187.7M3.91%
9ARGENX SEARGX482,195$179.7M3.74%
10ULTRAGENYX PHARMACEUTICAL INRARE4,270,996$171.3M3.57%
11THERMO FISHER SCIENTIFIC INCTMO290,334$167.3M3.48%
12ESTABLISHMENT LABS HLDGS INCESTA2,389,138$161.8M3.37%
13ACADIA PHARMACEUTICALS INC CACAD8,242,864$155.1M3.23%
14NATERA INCNTRA2,611,783$145.0M3.02%
15MIRATI THERAPEUTICS INC60468T1053,643,114$135.5M2.82%
16CELLDEX THERAPEUTICS INC NEWCLDX3,084,215$111.0M2.31%
17PROTAGONIST THERAPEUTICS INCPTGX4,600,799$105.8M2.20%
18ORCHESTRA BIOMED HLDGS INCOBIO5,118,507$100.2M2.09%
19AVIDITY BIOSCIENCES INC05370A1086,387,178$98.0M2.04%
20VERICEL CORPVCEL3,291,873$96.5M2.01%
21BRUKER CORPBRKRP1,187,342$93.6M1.95%
22CYTOKINETICS INCCYTK2,574,198$90.6M1.89%
23ILLUMINA INCILMN376,250$87.5M1.82%
24AVADEL PHARMACEUTICALS PLC05337M1045,741,939$52.6M1.10%
2510X GENOMICS INCTXG929,286$51.8M1.08%
26AXONICS INC05465P101884,974$48.3M1.01%
27VENTYX BIOSCIENCES INC92332V1071,388,881$46.5M0.97%
28CUTERA INC2321091081,846,596$43.6M0.91%
29STOKE THERAPEUTICS INCSTOK4,390,558$36.6M0.76%
30TARSUS PHARMACEUTICALS INCTARS2,548,125$32.0M0.67%
31SCPHARMACEUTICALS INC8106481053,297,843$29.9M0.62%
32ADICET BIO INCACET4,241,472$24.4M0.51%
33GH RESEARCH PLCGHRS2,168,957$17.3M0.36%
34VIKING THERAPEUTICS INCVKTX1,000,000$16.6M0.35%
35FULCRUM THERAPEUTICS INCFULC5,511,839$15.7M0.33%
36OUTSET MED INCOM808,658$14.9M0.31%
37OLINK HLDG ABOLN654,612$14.7M0.31%
38MINERALYS THERAPEUTICS INCMLYS922,100$14.4M0.30%
39PMV PHARMACEUTICALS INCPMVP2,999,098$14.3M0.30%
40MILESTONE PHARMACEUTICALS INMIST3,256,102$12.8M0.27%
41ROIVANT SCIENCES LTDROIV1,552,717$11.5M0.24%
42MOONLAKE IMMUNOTHERAPEUTICSMLTX500,000$10.7M0.22%
43GUARDANT HEALTH INCGH430,887$10.1M0.21%
44DERMTECH INC24984K1052,718,356$10.0M0.21%
45APYX MEDICAL CORPORATIONAPYX3,398,279$9.8M0.20%
46UROGEN PHARMA LTDURGN857,464$7.9M0.16%
47IMMUNIC INCIMUX4,294,459$6.4M0.13%
48ALLAKOS INC01671P1001,326,608$5.9M0.12%
49CASTLE BIOSCIENCES INCCSTL258,498$5.9M0.12%
50IMMATICS N.VIMTX845,000$5.8M0.12%
51RELMADA THERAPEUTICS INCRLMD2,131,835$4.8M0.10%
52JASPER THERAPEUTICS INCJSPRW2,329,809$4.2M0.09%
53EXAGEN INCXGN1,391,184$3.4M0.07%
54AKOYA BIOSCIENCES INC00974H104328,422$2.7M0.06%
55THIRD HARMONIC BIO INC88427A107534,687$2.2M0.05%
56ARYA SCIENCES ACQU CORP IVG31659108127,970$1.3M0.03%
57MIROMATRIX MED INC60471P108445,222$747,9730.02%
58YS BIOPHARMA CO LTDG9845F109341,090$545,7440.01%
59SIGHT SCIENCES INCSGHT41,330$361,2240.01%
60ROCKET PHARMACEUTICALS INCRCKTW350,000$38,5000.00%