| 12.2M |
| $141.1M |
| +8.2% |
| 7.187% |
| 0.00% |
| 4 | STATE STREET CORP | 8.1M | $93.8M | +10.5% | 4.780% | 0.00% |
| 5 | AMERIPRISE FINANCIAL INC | 7.0M | $81.0M | +119.9% | 4.127% | 0.02% |
| 6 | Redmile Group, LLC | 6.7M | $78.1M | -18.3% | 3.979% | 5.24% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 6.1M | $71.0M | +4.0% | 3.614% | 0.00% |
| 8 | ADVANCED MICRO DEVICES INC | 5.7M | $66.2M | 0.0% | 3.373% | 5.05% |
| 9 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 5.7M | $66.1M | β | 3.368% | 0.09% |
| 10 | TWO SIGMA INVESTMENTS, LP | 5.5M | $63.7M | +89.5% | 3.243% | 0.05% |
| 11 | D. E. Shaw & Co., Inc. | 5.2M | $60.7M | +706.3% | 3.093% | 0.03% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 3.6M | $41.5M | +7.2% | 2.115% | 0.00% |
| 13 | Woodline Partners LP | 2.7M | $31.3M | -18.2% | 1.594% | 0.10% |
| 14 | Siren, L.L.C. | 2.5M | $28.7M | +37.5% | 1.461% | 0.58% |
| 15 | BVF INC/IL | 2.4M | $27.4M | β | 1.394% | 0.70% |
| 16 | Gem Investment Advisors, LLC | 2.2M | $25.2M | 0.0% | 1.282% | 15.43% |
| 17 | BAKER BROS. ADVISORS LP | 2.1M | $24.7M | 0.0% | 1.260% | 0.12% |
| 18 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.0M | $23.1M | +50.4% | 1.178% | 0.00% |
| 19 | GOLDMAN SACHS GROUP INC | 1.7M | $20.1M | +192.8% | 1.023% | 0.00% |
| 20 | Nuveen, LLC | 1.7M | $20.0M | +403.1% | 1.018% | 0.00% |
| 21 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | 1.6M | $18.6M | β | 0.946% | 0.08% |
| 22 | MORGAN STANLEY | 1.4M | $15.9M | +182.5% | 0.812% | 0.00% |
| 23 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.3M | $15.5M | +67.2% | 0.791% | 0.00% |
| 24 | FRED ALGER MANAGEMENT, LLC | 1.2M | $13.6M | +1.0% | 0.695% | 0.05% |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2M | $13.5M | +7.5% | 0.688% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in ABSI β a direct measure of their conviction.
| 50.24% |
| +6.79 pp |
| $211M |
| +9.9% |
| Q4 2024 | 132 | +7.3% | 43.45% | 0.14 pp | $192M | 31% |
| Q3 2024 | 123 | β | 43.59% | β | $277M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
48 institutions opened new positions in ABSI during Q2 2026, while 14 fully exited. 142 added to existing positions and 5 trimmed.
ABSI institutional ownership rose by 15.72 percentage points quarter-over-quarter, with a net change of +34 holders.
The top 10 institutions account for 62.7% of all reported 13F value in ABSI, and the top 25 account for 84.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.