Top 20 ETF stock exposure

Rank ETF Weight % in ETF
1 IBRN 2.34%
2 XPH 2.26%
3 PILL 1.48%
4 SBIO 1.17%
5 HRTS 0.89%
6 BBC 0.56%
7 IHE 0.47%
8 MEDI 0.42%
9 BTEC 0.33%
10 IWC 0.26%
11 MMSC 0.21%
12 OPTZ 0.21%
13 FSMD 0.19%
14 BMED 0.18%
15 IBBQ 0.15%
16 FESM 0.13%
17 IBB 0.13%
18 VFMO 0.12%
19 BIB 0.11%
20 BBSC 0.11%

Top 20 institutional holders

Rank Holder SharesFloat % Change Date reported
1 Orbimed Advisors, LLC 15.02M (24.01%) 0.00
Increased by 0.00%
Mar 31, 25
2 RA Capital Management, LLC 8.91M (14.24%) 0.00
Increased by 0.00%
Mar 31, 25
3 Perceptive Advisors LLC 6.55M (10.46%) 3.86M
Increased by +58.98%
Mar 31, 25
4 BlackRock Inc 6.49M (10.36%) 5.99K
Increased by +0.09%
Mar 31, 25
5 Baker Bros Advisors LP 6.16M (9.84%) 0.00
Increased by 0.00%
Mar 31, 25
6 Novo A/S 5.35M (8.55%) 350.00K
Increased by +6.54%
Mar 31, 25
7 HHG PLC 5.28M (8.44%) 298.21K
Increased by +5.65%
Mar 31, 25
8 FMR Inc 4.78M (7.64%) -1.59M
Decreased by -33.16%
Jun 30, 24
9 Paradigm Biocapital Advisors LP 4.39M (7.02%) -99.37K
Decreased by -2.26%
Mar 31, 25
10 Vanguard Group Inc 4.29M (6.86%) -172.44K
Decreased by -4.02%
Mar 31, 25
11 Cormorant Asset Management, LLC 4.10M (6.56%) 695.46K
Increased by +16.95%
Mar 31, 25
12 BRAIDWELL LP 2.46M (3.93%) 126.61K
Increased by +5.15%
Mar 31, 25
13 Citadel Advisors Llc 2.35M (3.75%) -418.26K
Decreased by -17.80%
Jun 30, 24
14 TCG Crossover Management, LLC 2.11M (3.38%) -159.74K
Decreased by -7.56%
Sep 30, 24
15 Deerfield Management Co 2.08M (3.32%) 0.00
Increased by 0.00%
Mar 31, 25
16 First Light Asset Management, LLC 1.85M (2.96%) 1.07M
Increased by +57.86%
Mar 31, 25
17 VR Adviser, LLC 1.82M (2.91%) 0.00
Increased by 0.00%
Jun 30, 24
18 State Street Corp 1.72M (2.75%) 2.18K
Increased by +0.13%
Mar 31, 25
19 Siren, L.L.C. 1.70M (2.71%) 962.10K
Increased by +56.71%
Mar 31, 25
20 Geode Capital Management, LLC 1.66M (2.65%) 55.09K
Increased by +3.33%
Mar 31, 25

Top 20 mutual fund holders

Rank Holder SharesFloat % Change Date reported
1 Vanguard Total Stock Mkt Idx Inv 2.89M (4.61%) 338.82K
Increased by +11.74%
Apr 30, 25
2 Vanguard US Total Market Shares ETF 2.54M (4.05%) -5.23K
Decreased by -0.21%
Sep 30, 24
3 iShares Russell 2000 ETF 1.85M (2.96%) 0.00
Increased by 0.00%
May 31, 25
4 BB Biotech AG Ord 1.43M (2.28%) 0.00
Increased by 0.00%
Dec 31, 24
5 Fidelity® Small Cap Growth 1.34M (2.15%) -1.63K
Decreased by -0.12%
Oct 31, 23
6 Fidelity® Series Small Cap Opps 1.27M (2.04%) 0.00
Increased by 0.00%
Oct 31, 23
7 Vanguard Institutional Extnd Mkt Idx Tr 1.07M (1.71%) 151.14K
Increased by +14.17%
Apr 30, 25
8 Polar Capital Biotech S Inc 1.00M (1.60%) 750.00K
Increased by +75.00%
Apr 30, 25
9 Fidelity Small Cap Growth 983.35K (1.57%) -284.60K
Decreased by -28.94%
Jul 31, 24
10 Fidelity Small Cap Index 735.30K (1.18%) 15.29K
Increased by +2.08%
Mar 31, 25
11 Janus Henderson Global Life Sciences 684.56K (1.09%) -19.92K
Decreased by -2.91%
Mar 31, 25
12 Janus Henderson Global Life Sciences D 684.56K (1.09%) -2.53K
Decreased by -0.37%
Mar 31, 25
13 Janus Henderson Glb Life Scn I2 USD 682.99K (1.09%) 129.37K
Increased by +18.94%
Apr 30, 25
14 Fidelity® Stock Selector Small Cap 673.85K (1.08%) 0.00
Increased by 0.00%
Oct 31, 23
15 iShares Russell 2000 Growth ETF 640.84K (1.02%) 0.00
Increased by 0.00%
May 31, 25
16 Artisan International Small-Mid Investor 632.96K (1.01%) -76.45K
Decreased by -12.08%
Mar 31, 25
17 Artisan Non-U.S. Small-Mid Growth Comp 632.96K (1.01%) -76.45K
Decreased by -12.08%
Mar 31, 25
18 American Century Small Cap Growth Inv 609.49K (0.97%) 0.00
Increased by 0.00%
Mar 31, 25
19 American Century U.S. Small Cap Growth 609.49K (0.97%) 0.00
Increased by 0.00%
Mar 31, 25
20 Eventide Healthcare & Life Sciences I 568.31K (0.91%) 568.31K
Increased by +100.00%
Mar 31, 25