ADPT Institutional Ownership
Top institutional (13F) holders of ADPT and activist (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
41
Institutional value
$2.3B
Top holder
VIKING GLOBAL INVESTORS LP
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| VIKING GLOBAL INVESTORS LPother | 18.9% | Aug 14, 2026 | $643.37M |
| BlackRock, Inc.holding company | 9.5% | Aug 7, 2026 | $324.73M |
| Vanguard Capital Managementinvestment advisor | 4.0% | Aug 13, 2026 | $137.36M |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | 3.7% | Aug 14, 2026 | $126.8M |
| Vanguard Portfolio Managementinvestment advisor | 3.4% | Aug 13, 2026 | $117.47M |
| D. E. Shaw & Co., Inc.investment advisor | 2.9% | Aug 14, 2026 | $99.22M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 2.3% | Aug 12, 2026 | $78.13M |
| STATE STREET CORPORATIONinvestment advisor | 2.2% | Sep 22, 2026 | $74.18M |
| UBS Group AGinvestment advisor | 2.0% | Aug 13, 2026 | $67.15M |
| Invesco Ltd.investment advisor | 1.9% | Aug 14, 2026 | $66.37M |
| GOLDMAN SACHS GROUP INCinvestment advisor | 1.9% | Aug 14, 2026 | $64.01M |
| T. Rowe Price Associates, Inc.investment advisor | 1.7% | Aug 14, 2026 | $57.17M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIPinvestment advisor | 1.6% | Aug 13, 2026 | $54.15M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | 1.4% | Aug 14, 2026 | $46.52M |
| ARK Investment Management LLCinvestment advisor | 1.3% | Aug 14, 2026 | $44.84M |
| BANK OF AMERICA CORP /DE/investment advisor | 1.1% | Aug 14, 2026 | $37.11M |
| JANE STREET GROUP, LLCholding company | 1.0% | Aug 14, 2026 | $35.28M |
| NORTHERN TRUST CORPinvestment advisor | 0.9% | Aug 13, 2026 | $32.33M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | 0.7% | Aug 14, 2026 | $25.28M |
| Ameriprise Financial, Inc.holding company | 0.7% | Aug 14, 2026 | $23.33M |
| Massachusetts Financial Services Companyinvestment advisor | 0.7% | Aug 3, 2026 | $22.99M |
| MORGAN STANLEYinvestment advisor | 0.5% | Aug 13, 2026 | $16.44M |
| FMR LLCinvestment advisor | 0.4% | Aug 13, 2026 | $15.22M |
| Point72 Asset Management, L.P.investment advisor | 0.6% | May 15, 2026 | $14.18M |
| MILLENNIUM MANAGEMENT LLCinvestment advisor | 0.3% | Aug 14, 2026 | $10.83M |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.