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Sio Capital Management, LLC 13F holdings, Q1 2025

Holdings as of March 31, 2025 · filings on SEC EDGAR · latest filing →

Sio Capital Management, LLC disclosed 53 US equity positions worth $330.2m in its Q1 2025 13F filing. The largest position was ICLR at 10.8% of the reported book, followed by MMS and MRK. Against the Q4 2024 filing, it opened 13 new positions, added to 15 and reduced 6 among the top 50 holdings.

← Q4 2024 · Q2 2025 →

What did Sio Capital Management, LLC own in Q1 2025? Top 50 positions

#StockSectorWeightValueSharesΔ sharesvs Q4 2024
1 ICLR ICON PLC Healthcare 10.8%$35.6m203,311 4% added
2 MMS MAXIMUS INC Industrials 9.7%$31.9m468,352 23% added
3 MRK MERCK & CO INC Healthcare 7.4%$24.3m270,596 – new
4 ZBH ZIMMER BIOMET HOLDINGS INC Healthcare 6.4%$21.2m187,685 7% added
5 NBIX NEUROCRINE BIOSCIENCES INC Healthcare 6.3%$20.7m187,573 – new
6 LH LABCORP HOLDINGS INC Healthcare 5.9%$19.5m83,873 -26% reduced
7 DRUG BRIGHT MINDS BIOSCIENCES INC Healthcare 5.5%$18.3m507,562 12% added
8 GMED GLOBUS MED INC Healthcare 4.6%$15.2m207,000 – new
9 TFX TELEFLEX INCORPORATED Healthcare 4.5%$14.9m107,780 61% added
10 EMBC EMBECTA CORP Healthcare 4.3%$14.1m1,107,613 160% added
11 BMRN BIOMARIN PHARMACEUTICAL INC Healthcare 3.0%$10.0m141,134 – new
12 AVR ANTERIS TECHNOLOGIES GLOBAL 2.6%$8.6m2,369,960 -0% held
13 HAE HAEMONETICS CORP MASS Healthcare 2.6%$8.5m133,966 – new
14 ANNX ANNEXON INC Healthcare 2.0%$6.6m3,397,786 44% added
15 TARA PROTARA THERAPEUTICS INC 2.0%$6.5m1,514,300 5% added
16 ANIP ANI PHARMACEUTICALS INC Healthcare 1.8%$5.8m87,298 -45% reduced
17 SEPN SEPTERNA INC 1.4%$4.6m788,670 190% added
18 PRAX PRAXIS PRECISION MEDICINES INC I Healthcare 1.3%$4.3m112,500 – new
19 8HH AVANOS MED INC 1.2%$4.1m285,989 – new
20 PMVP PMV PHARMACEUTICALS INC 1.2%$4.1m3,735,396 5% added
21 TYRA TYRA BIOSCIENCES INC Healthcare 1.2%$3.9m416,617 73% added
22 IRON DISC MEDICINE INC Healthcare 1.1%$3.6m73,511 0% held
23 ETNBGBP 89BIO INC 1.1%$3.6m500,000 – new
24 AKERO THERAPEUTICS INC 1.0%$3.4m85,000 – new
25 VIR VIR BIOTECHNOLOGY INC Healthcare 0.9%$3.1m473,607 -55% reduced
26 AORT ARTIVION INC Healthcare 0.9%$3.0m121,178 0% held
27 VTYXUSD VENTYX BIOSCIENCES INC 0.9%$3.0m2,582,655 -36% reduced
28 PROQR THERAPEUTICS N V 0.8%$2.7m2,054,593 0% held
29 VXRT VAXART INC 0.7%$2.3m5,583,448 -52% reduced
30 TVTX TRAVERE THERAPEUTICS INC Healthcare 0.7%$2.2m121,000 – new
31 DNTH DIANTHUS THERAPEUTICS INC Healthcare 0.6%$2.1m116,997 – new
32 IDYA IDEAYA BIOSCIENCES INC Healthcare 0.6%$2.0m123,000 0% held
33 SVRA SAVARA INC Healthcare 0.6%$2.0m719,654 19106% added
34 ERAS ERASCA INC Healthcare 0.6%$1.9m1,356,186 0% held
35 CATBUSD ASTRIA THERAPEUTICS INC 0.5%$1.7m315,105 -38% reduced
36 IRWD IRONWOOD PHARMACEUTICALS INC Healthcare 0.5%$1.5m1,017,616 12% added
37 ALGS ALIGOS THERAPEUTICS INC 0.5%$1.5m180,720 – new
38 AQST AQUESTIVE THERAPEUTICS INC 0.3%$1.1m391,629 – new
39 ALEC ALECTOR INC Healthcare 0.3%$1.0m837,159 36% added
40 ENTA ENANTA PHARMACEUTICALS INC Healthcare 0.3%$977.1k177,004 0% held
41 CNTX CONTEXT THERAPEUTICS INC 0.2%$813.0k1,328,352 0% held
42 TELA TELA BIO INC 0.2%$768.6k630,000 0% held
43 OVID OVID THERAPEUTICS INC Healthcare 0.2%$696.2k2,232,000 123% added
44 AVTX AVALO THERAPEUTICS INC Healthcare 0.2%$572.4k71,458 0% held
45 APRE APREA THERAPEUTICS INC 0.2%$564.3k276,603 0% held
46 FHTX FOGHORN THERAPEUTICS INC. Healthcare 0.1%$444.1k121,672 0% held
47 NYXOAH S A 0.1%$354.9k50,839 0% held
48 MODULAR MED INC 0.1%$274.7k251,990 0% held
49 BOLD BOUNDLESS BIO INC 0.1%$244.7k162,058 0% held
50 NXTC NEXTCURE INC 0.0%$62.4k130,000 0% held

Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.