Top 20 ETF stock exposure

Rank ETF Weight % in ETF
1 PTH 0.71%
2 XPH 0.69%
3 PILL 0.52%
4 WMCR 0.26%
5 BTEC 0.17%
6 IHE 0.11%
7 GSSC 0.11%
8 IWC 0.10%
9 IBBQ 0.08%
10 FESM 0.06%
11 BIB 0.06%
12 ROSC 0.05%
13 SEIS 0.05%
14 RFLR 0.04%
15 PSC 0.04%
16 AFSM 0.04%
17 IWO 0.03%
18 RSSL 0.03%
19 VTWG 0.02%
20 UWM 0.02%

Top 20 institutional holders

Rank Holder SharesFloat % Change Date reported
1 Nantahala Capital Management, LLC 6.38M (12.71%) 556.21K
Increased by +8.72%
Mar 30, 26
2 BlackRock Inc 4.29M (8.55%) 195.08K
Increased by +4.55%
Mar 30, 26
3 Caligan Partners LP 4.14M (8.25%) 796.97K
Increased by +19.26%
Sep 29, 25
4 Vanguard Group Inc 3.34M (6.66%) -87.14K
Decreased by -2.61%
Dec 30, 25
5 BRAIDWELL LP 3.11M (6.19%) 0.00
Increased by 0.00%
Mar 30, 26
6 Frazier Life Sciences Management, L.P. 2.63M (5.24%) 0.00
Increased by 0.00%
Mar 30, 26
7 Vanguard Capital Management, LLC 2.47M (4.92%) 2.47M
Increased by +100.00%
Mar 30, 26
8 First Manhattan Co. LLC 2.29M (4.56%) 0.00
Increased by 0.00%
Sep 29, 23
9 Soleus Capital Management, L.P. 2.25M (4.48%) 1.18M
Increased by +52.35%
Mar 30, 26
10 Stonepine Capital Management Llc 1.76M (3.51%) 127.50K
Increased by +7.25%
Mar 30, 26
11 Frontier Capital Management CO Inc 1.66M (3.32%) 457.53K
Increased by +27.48%
Jun 29, 25
12 Eversept Partners, LP 1.48M (2.94%) 304.80K
Increased by +20.66%
Sep 29, 25
13 Millennium Management LLC 1.46M (2.91%) -631.88K
Decreased by -43.24%
Mar 30, 26
14 Armistice Capital, LLC 1.40M (2.78%) 420.00K
Increased by +30.09%
Mar 30, 26
15 Geode Capital Management, LLC 1.38M (2.75%) -4.91K
Decreased by -0.36%
Mar 30, 26
16 State Street Corp 1.32M (2.63%) -254.06K
Decreased by -19.24%
Mar 30, 26
17 Perceptive Advisors LLC 1.29M (2.56%) 1.29M
Increased by +100.00%
Mar 30, 26
18 Rice Hall James & Associates, LLC 1.25M (2.50%) 101.38K
Increased by +8.08%
Mar 30, 26
19 TANG CAPITAL MANAGEMENT LLC 1.25M (2.48%) -4.24M
Decreased by -340.58%
Dec 30, 25
20 Eversept Partners, LLC 1.17M (2.33%) 1.17M
Increased by +100.00%
Jun 29, 25

Top 20 mutual fund holders

Rank Holder SharesFloat % Change Date reported
1 BioPharma Credit Ord 5.66M (11.28%) -99.14K
Decreased by -1.75%
Dec 30, 24
2 Vanguard US Total Market Shares ETF 1.68M (3.36%) 0.00
Increased by 0.00%
Sep 29, 24
3 Vanguard Morn Total Stk Mkt Idx Investor 1.54M (3.08%) -120.90K
Decreased by -7.83%
Jun 29, 26
4 Vanguard Total Stock Mkt Idx Inv 1.54M (3.08%) -120.90K
Decreased by -7.83%
Jun 29, 26
5 iShares Russell 2000 ETF 1.54M (3.08%) 16.68K
Increased by +1.08%
Jul 27, 26
6 Vanguard Institutional Extnd Mkt Idx Tr 770.01K (1.53%) 26.80K
Increased by +3.48%
Jun 29, 26
7 Xtrackers S&P 500 Swap ETF 1C 731.43K (1.46%) 0.00
Increased by 0.00%
Jun 29, 24
8 Schroder US Smaller Companies Acc 718.22K (1.43%) -15.14K
Decreased by -2.11%
Dec 30, 25
9 Oberweis Micro-Cap 677.60K (1.35%) 0.00
Increased by 0.00%
Jun 29, 25
10 Oberweis Micro-Cap Growth 677.60K (1.35%) 0.00
Increased by 0.00%
Jun 29, 25
11 CREF Stock R1 572.75K (1.14%) 245.42K
Increased by +42.85%
Feb 27, 25
12 Fidelity Small Cap Index 564.86K (1.13%) 9.69K
Increased by +1.72%
May 30, 26
13 iShares Russell 2000 Growth ETF 549.83K (1.10%) 0.00
Increased by 0.00%
Jul 27, 26
14 Invesco S&P 500 ETF 468.69K (0.93%) 468.69K
Increased by +100.00%
Jul 30, 25
15 Nuveen Quant Small Cap Equity Instl 463.37K (0.92%) 9.34K
Increased by +2.02%
Feb 28, 24
16 Nuveen Quant Small Cap Equity R6 456.83K (0.91%) 0.00
Increased by 0.00%
Jul 30, 25
17 TIAA-CREF Quant Small-Cap Equity Instl 454.03K (0.90%) 0.00
Increased by 0.00%
Dec 30, 23
18 Frontier Small Cap Growth 429.44K (0.86%) -30.89K
Decreased by -7.19%
Jun 29, 25
19 Russell 2000 Equity Index Fund B 403.51K (0.80%) 58.91K
Increased by +14.60%
Jun 29, 26
20 Russell 2000 Index Non-Lendable Fund 403.51K (0.80%) 58.91K
Increased by +14.60%
Jun 29, 26