ANAPTYSBIO INC (ANAB) Institutional Ownership Changes & 13F Activity
ANAPTYSBIO INC (ANAB). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Woodline Partners Lp, Millennium Management Llc, Apis Capital Advisors, Llc, Goldman Sachs Group Inc, and Sofinnova Investments, Inc..
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | Buy | +200 | +2.0% | 10,366 | $699.71K | Q2 2026 | Sep 09, 2026 |
| Citadel Advisors Llc | Buy | +160,923 | +68.9% | 394,373 | $26.62M | Q2 2026 | Sep 02, 2026 |
| California State Teachers Retirement System | Buy | +3,629 | +25.9% | 17,629 | $1.19M | Q2 2026 | Aug 24, 2026 |
| Palo Alto Investors Lp | Sell | -34,672 | -5.4% | 603,489 | $40.74M | Q2 2026 | Aug 19, 2026 |
| Empowered Funds, Llc | Buy | +206,010 | — | 206,010 | $13.91M | Q2 2026 | Aug 17, 2026 |
| Woodline Partners Lp | Buy | +372,758 | +108.3% | 717,014 | $48.40M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +331,744 | +69.8% | 807,316 | $54.49M | Q2 2026 | Aug 14, 2026 |
| Apis Capital Advisors, Llc | Buy | +259,000 | +108.8% | 497,000 | $33.55M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +251,327 | +75.5% | 584,070 | $39.42M | Q2 2026 | Aug 14, 2026 |
| Sofinnova Investments, Inc. | Buy | +245,283 | +98.8% | 493,536 | $33.31M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -202,088 | -43.5% | 262,995 | $17.75M | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +202,056 | — | 202,056 | $13.64M | Q2 2026 | Aug 14, 2026 |
| Greenhaven Road Investment Management, L.P. | Buy | +171,059 | — | 171,059 | $11.55M | Q2 2026 | Aug 14, 2026 |
| Hsbc Holdings Plc | Buy | +91,232 | +72.6% | 216,949 | $14.93M | Q2 2026 | Aug 14, 2026 |
| Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | Buy | +83,942 | — | 83,942 | $5.67M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Sell | -83,274 | -16.6% | 417,812 | $28.20M | Q2 2026 | Aug 14, 2026 |
| Irenic Capital Management Lp | Buy | +70,447 | — | 70,447 | $4.76M | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Buy | +56,743 | +21.2% | 324,446 | $21.90M | Q2 2026 | Aug 14, 2026 |
| Trexquant Investment Lp | Sell | -49,763 | -58.4% | 35,404 | $2.39M | Q2 2026 | Aug 14, 2026 |
| Eversept Partners, Lp | Buy | +42,894 | +158.3% | 69,983 | $4.72M | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Sell | -39,630 | -6.8% | 539,666 | $36.43M | Q2 2026 | Aug 14, 2026 |
| 683 Capital Management, Llc | Buy | +35,000 | +5.6% | 660,000 | $44.55M | Q2 2026 | Aug 14, 2026 |
| State Of Wisconsin Investment Board | Buy | +34,134 | +123.6% | 61,753 | $4.17M | Q2 2026 | Aug 14, 2026 |
| Atom Investors Lp | Buy | +33,917 | — | 33,917 | $2.29M | Q2 2026 | Aug 14, 2026 |
| Jacobs Levy Equity Management, Inc | Buy | +33,711 | +117.8% | 62,336 | $4.21M | Q2 2026 | Aug 14, 2026 |
| Voleon Capital Management Lp | Buy | +31,425 | — | 31,425 | $2.12M | Q2 2026 | Aug 14, 2026 |
| Susquehanna Portfolio Strategies, Llc | Sell | -31,066 | -86.4% | 4,882 | $329.54K | Q2 2026 | Aug 14, 2026 |
| Aquatic Capital Management Llc | Buy | +30,813 | — | 30,813 | $2.08M | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Sell | -29,126 | -57.6% | 21,411 | $1.45M | Q2 2026 | Aug 14, 2026 |
| Summittx Capital, L.P. | Buy | +28,779 | — | 28,779 | $1.94M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about ANAB activity
Which institutional owners are buying ANAB?
Institutional owners buying ANAB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in ANAB activity?
"Buy" means an investor increased their reported position in ANAB compared to the prior reporting period. This reflects growing exposure to ANAPTYSBIO INC (ANAB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in ANAB increasing?
Institutional interest in ANAB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related ANAB Institutional Insights
- ANAB Overview
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- ANAB Top Institutional Shareholders
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- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
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- ANAB Insider Trading & SEC Form 4 Activity
- ANAB Articles
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