$65.86
+6.91 (+11.74%)
Market Cap
$1.5B
Shares Outstanding
43,122,383
Institutional Holders
153
Total Inst. Value
$705.5M
% of Float Held
149.3%
QoQ Holder Change
+40
Institutional data as of Q1 2025
New Positions
48
Closed Positions
29
Increased
44
Decreased
42
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | EcoR1 Capital, LLC | $146.5M | 7,880,094 |
| 2 | First Light Asset Management, LLC | $86.1M | 4,633,602 |
| 3 | Point72 Asset Management, L.P.New | $44.0M | 2,368,370 |
| 4 | BlackRock, Inc. | $40.5M | 2,176,598 |
| 5 | FMR LLC | $35.4M | 1,905,154 |
| 6 | TANG CAPITAL MANAGEMENT LLC | $28.7M | 1,545,153 |
| 7 | VANGUARD GROUP INC | $28.2M | 1,517,325 |
| 8 | Boxer Capital Management, LLC | $24.2M | 1,300,000 |
| 9 | Sofinnova Investments, Inc. | $21.6M | 1,160,033 |
| 10 | BANK OF AMERICA CORP /DE/ | $21.3M | 1,143,959 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| EcoR1 Capital, LLC | +7K | $146.5M |
| First Light Asset Management, LLC | +3.8M | $86.1M |
| Point72 Asset Management, L.P.New | +2.4M | $44.0M |
| TANG CAPITAL MANAGEMENT LLC | +214K | $28.7M |
| Sofinnova Investments, Inc. | +1.0M | $21.6M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| FMR LLC | -1.1M | $35.4M |
| Camber Capital Management LP | -500K | $14K |
| STATE STREET CORP | -425K | $16.0M |
| BlackRock, Inc. | -372K | $40.5M |
| VANGUARD GROUP INC | -326K | $28.2M |
Famous Fund Managers
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Frequently Asked Questions
How many institutional investors hold ANAB?
As of Q1 2025, 153 institutional investors report holding ANAB (AnaptysBio, Inc.) in their 13F filings.
What percentage of AnaptysBio, Inc. is owned by institutions?
Institutional investors hold approximately 149.3% of AnaptysBio, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most ANAB?
The largest institutional holder of ANAB is EcoR1 Capital, LLC with $146.5M in shares.
Are institutions buying or selling ANAB?
This quarter, 48 institutions opened new positions in ANAB and 29 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.