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Of the 13 tracked institutions holding ANAB, 7 have a 3-year clone track record — 7 of them beat the S&P. Average holder's clone alpha: +6.3pt. It's a gauge of who owns the name, not just how many.
Among the 13 tracked institutional investors we monitor, ANAB (ANAPTYSBIO INC) is held with a combined value of $306.75M across 5,725,398 shares. The largest holder is BlackRock, Inc. with a position worth $93.25M. Gotham Asset Management, LLC opened a new position in the most recent quarter. 7 funds increased their holdings. 5 funds reduced their position.
Total Institutional Value
$306.75M
Total Shares Held
5,725,398
Institutional Holders
13
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $93.25M | 0.00% | -3.1% |
| 2 | VANGUARD GROUP INC | $74.85M | 0.00% | +4.5% |
| 3 | STATE STREET CORP | $55.04M | 0.00% | -5.8% |
| 4 | MILLENNIUM MANAGEMENT LLC | $26.38M | 0.01% | -41.5% |
| 5 | FMR LLC | $26.22M | 0.00% | +1643.8% |
| 6 | CITADEL ADVISORS LLC | $12.95M | 0.01% | +113.2% |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $5.04M | 0.01% | +19.1% |
| 8 | Fisher Asset Management, LLC | $3.14M | 0.00% | +0.1% |
| 9 | Point72 Asset Management, L.P. | $3.07M | 0.01% | -97.1% |
| 10 | WELLINGTON MANAGEMENT GROUP LLP | $2.60M | 0.00% | -23.4% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of ANAB with a position worth $93.25M, representing 0.00% of their portfolio. In total, 13 institutional investors hold ANAB with a combined value of $306.75M.
In the most recent quarter, 1 fund opened a new position in ANAB. Additionally, 7 increased their holdings and 5 reduced their positions.
Institutional investors hold $306.75M worth of ANAB stock across 13 positions. The largest institutional holder is BlackRock, Inc. with $93.25M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For ANAB, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their ANAB positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$54.15
2026-07-24
YTD
+81.2%
72% of 52-week range
