Top 20 Institutional Holders

Rank Holder SharesFloat % Change Date reported
1 Vanguard Group Inc 5.05M (9.91%) 124.19K
Increased by +2.46%
Sep 30, 23
2 BlackRock Inc 3.58M (7.02%) 70.17K
Increased by +1.96%
Sep 30, 23
3 Viking Global Investors LP 2.96M (5.82%) 0
Increased by 0%
Sep 30, 23
4 Perceptive Advisors LLC 2.69M (5.28%) -2.19M
Decreased by -81.26%
Sep 30, 23
5 Stonepine Capital Management Llc 2.52M (4.94%) 1.39M
Increased by +55.44%
Sep 30, 23
6 Millennium Management LLC 2.12M (4.16%) 197.9K
Increased by +9.34%
Sep 30, 23
7 Boxer Capital LLC 2.08M (4.09%) 0
Increased by 0%
Sep 30, 23
8 Avidity Partners Management LP 1.76M (3.45%) 855.54K
Increased by +48.69%
Sep 30, 23
9 Adage Capital Partners Gp LLC 1.7M (3.34%) 932K
Increased by +54.82%
Sep 30, 23
10 Rock Springs Capital Management LP 1.55M (3.03%) 400
Increased by +0.03%
Sep 30, 23
11 Hudson Bay Capital Management LP 1.36M (2.68%) 1.07M
Increased by +78.68%
Sep 30, 23
12 Franklin Resources Inc 1.33M (2.6%) 707.13K
Increased by +53.37%
Dec 31, 23
13 Deep Track Capital, LP 1.26M (2.47%) 1.26M
Increased by +100%
Sep 30, 23
14 State Street Corporation 1.24M (2.43%) 82.05K
Increased by +6.62%
Sep 30, 23
15 Citadel Advisors Llc 1.23M (2.41%) 413.62K
Increased by +33.71%
Sep 30, 23
16 Marshall Wace Asset Management Ltd 1.2M (2.35%) -782.42K
Decreased by -65.32%
Sep 30, 23
17 Goldman Sachs Group Inc 1.19M (2.33%) -163.35K
Decreased by -13.76%
Sep 30, 23
18 Samlyn Capital, LLC 1.16M (2.29%) 1.16M
Increased by +100%
Sep 30, 23
19 ING Investment Management LLC 1.15M (2.25%) 208.25K
Increased by +18.18%
Sep 30, 23
20 Eventide Asset Management, LLC 1.12M (2.19%) 0
Increased by 0%
Sep 30, 23

Top 20 Mutual Fund Holders

Rank Holder SharesFloat % Change Date reported
1 Vanguard Total Stock Mkt Idx Inv 1.72M (3.39%) 0
Increased by 0%
Jan 31, 24
2 Vanguard Small Cap Index 1.47M (2.88%) 4K
Increased by +0.27%
Jan 31, 24
3 iShares Russell 2000 ETF 1.26M (2.48%) -23.03K
Decreased by -1.83%
Jan 31, 24
4 Eventide Healthcare & Life Sciences I 1.12M (2.19%) 0
Increased by 0%
Sep 30, 23
5 Franklin Biotechnology Discv A(acc)USD 901.66K (1.77%) 391.4K
Increased by +43.41%
Dec 31, 23
6 Vanguard Small Cap Growth Index Inv 816.39K (1.6%) 150
Increased by +0.02%
Jan 31, 24
7 Vanguard Institutional Extnd Mkt Idx Tr 599.82K (1.18%) 264
Increased by +0.04%
Jan 31, 24
8 Fidelity Select Biotechnology 594.41K (1.17%) 64.62K
Increased by +10.87%
Dec 31, 23
9 Fidelity® Select Biotechnology 529.8K (1.04%) 326.7K
Increased by +61.66%
Nov 30, 23
10 CREF Stock R1 515.29K (1.01%) 0
Increased by 0%
Dec 31, 23
11 Fidelity Small Cap Index 503.91K (0.99%) 8.87K
Increased by +1.76%
Nov 30, 23
12 American Century Small Cap Growth Inv 503.51K (0.99%) 503.51K
Increased by +100%
Dec 31, 23
13 American Century U.S. Small Cap Growth 503.51K (0.99%) 503.51K
Increased by +100%
Dec 31, 23
14 Fidelity® Small Cap Index 495.04K (0.97%) 14.6K
Increased by +2.95%
Oct 31, 23
15 Jupiter Merian Glb Eq AbsRet I USD Acc 480.21K (0.94%) 185.87K
Increased by +38.7%
Dec 31, 23
16 iShares Russell 2000 Growth ETF 442.33K (0.87%) 518
Increased by +0.12%
Jan 31, 24
17 Franklin Biotechnology Discovery A 420.39K (0.83%) 184.4K
Increased by +43.86%
Dec 31, 23
18 SPDR® S&P Pharmaceuticals ETF 387.93K (0.76%) 0
Increased by 0%
Jan 31, 24
19 Fidelity Series Small Cap Opps 380.4K (0.75%) 14K
Increased by +3.68%
Nov 30, 23
20 iShares Biotechnology ETF 372.1K (0.73%) -341
Decreased by -0.09%
Jan 31, 24