Top 20 Institutional Holders

Rank Holder SharesFloat % Change Date reported
1 BlackRock Inc 16.66M (7.44%) 293.08K
Increased by +1.76%
Sep 30, 23
2 Vanguard Group Inc 12.78M (5.71%) 336.19K
Increased by +2.63%
Sep 30, 23
3 Nuveen Asset Management, LLC 10.69M (4.77%) 2.13M
Increased by +19.9%
Sep 30, 23
4 State Street Corporation 9.6M (4.29%) -911.97K
Decreased by -9.5%
Sep 30, 23
5 Stonepine Capital Management Llc 9.1M (4.07%) 310.95K
Increased by +3.42%
Sep 30, 23
6 D. E. Shaw & Co LP 7.57M (3.38%) -602.12K
Decreased by -7.95%
Sep 30, 23
7 Perceptive Advisors LLC 6.98M (3.12%) -4.92M
Decreased by -70.39%
Sep 30, 23
8 Awm Investment Company Inc 6M (2.68%) -17.7K
Decreased by -0.3%
Sep 30, 23
9 Magnetar Financial LLC 5.87M (2.62%) -161.36K
Decreased by -2.75%
Sep 30, 23
10 Amvescap Plc. 5.42M (2.42%) 426.45K
Increased by +7.87%
Sep 30, 23
11 Morgan Stanley - Brokerage Accounts 5.24M (2.34%) 1.47M
Increased by +28.07%
Sep 30, 23
12 American Century Companies Inc 4.89M (2.19%) 840.76K
Increased by +17.19%
Sep 30, 23
13 Geode Capital Management, LLC 4.35M (1.94%) 178.65K
Increased by +4.11%
Sep 30, 23
14 Millennium Management LLC 4.09M (1.83%) 1.18M
Increased by +28.92%
Sep 30, 23
15 Assenagon Asset Management SA 3.95M (1.76%) -1.09M
Decreased by -27.6%
Dec 31, 23
16 Adage Capital Partners Gp LLC 3.77M (1.68%) 493K
Increased by +13.09%
Sep 30, 23
17 Driehaus Capital Management LLC 3.5M (1.56%) 69.26K
Increased by +1.98%
Sep 30, 23
18 Dimensional Fund Advisors, Inc. 3.49M (1.56%) 561.24K
Increased by +16.08%
Dec 31, 23
19 Two Sigma Investments LLC 3.19M (1.42%) 397.74K
Increased by +12.48%
Sep 30, 23
20 Two Sigma Advisers, LLC 3.17M (1.41%) 406.2K
Increased by +12.83%
Sep 30, 23

Top 20 Mutual Fund Holders

Rank Holder SharesFloat % Change Date reported
1 Vanguard Total Stock Mkt Idx Inv 6.41M (2.86%) 0
Increased by 0%
Dec 31, 23
2 iShares Russell 2000 ETF 5.12M (2.29%) -93.37K
Decreased by -1.82%
Jan 31, 24
3 SPDR® S&P Biotech ETF 4.75M (2.12%) -62.96K
Decreased by -1.32%
Jan 31, 24
4 CREF Stock R1 3.98M (1.78%) 0
Increased by 0%
Dec 31, 23
5 Vanguard Institutional Extnd Mkt Idx Tr 3.13M (1.4%) 103.83K
Increased by +3.32%
Dec 31, 23
6 American Century Small Cap Growth Inv 3M (1.34%) 881.15K
Increased by +29.35%
Dec 31, 23
7 American Century U.S. Small Cap Growth 3M (1.34%) 881.15K
Increased by +29.35%
Dec 31, 23
8 Invesco Main Street Small Cap R6 2.75M (1.23%) 68.5K
Increased by +2.49%
Dec 31, 23
9 Invesco Small Cap Core 2.75M (1.23%) 109.71K
Increased by +3.99%
Dec 31, 23
10 Oberweis Micro-Cap 2.08M (0.93%) 409.7K
Increased by +19.71%
Sep 30, 23
11 Oberweis Micro-Cap Growth 2.08M (0.93%) 409.7K
Increased by +19.71%
Sep 30, 23
12 Fidelity Small Cap Index 2.07M (0.93%) 45.36K
Increased by +2.19%
Nov 30, 23
13 Fidelity® Small Cap Index 2.03M (0.91%) 54.66K
Increased by +2.7%
Oct 31, 23
14 TIAA-CREF Quant Small-Cap Equity Instl 1.73M (0.77%) 0
Increased by 0%
Dec 31, 23
15 iShares Biotechnology ETF 1.62M (0.72%) -1.48K
Decreased by -0.09%
Jan 31, 24
16 Invesco V.I. Main Street Small Cap I 1.34M (0.6%) 15.13K
Increased by +1.13%
Dec 31, 23
17 State St Russell Sm/Mid Cp® Indx NL Cl C 1.29M (0.58%) 7.7K
Increased by +0.6%
Jan 31, 24
18 Nuveen Small-Cap Value Opps I 1.27M (0.57%) -25.2K
Decreased by -1.98%
Dec 31, 23
19 Fidelity Extended Market Index 1.16M (0.52%) 38.78K
Increased by +3.34%
Dec 31, 23
20 Fidelity® Extended Market Index 1.12M (0.5%) 0
Increased by 0%
Nov 30, 23