Latest Period
Q1 2026
Security Snapshot
Adaptive Biotechnologies Corp - Common Stock, par value $0.0001 per share (ADPT) Institutional Ownership
CUSIP: 00650F109
13F Institutional Holders and Ownership History from Q3 2016 to Q1 2026
Institutions Reporting
294
Shares (Excl. Options)
151,849,504
Price
$13.88
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- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- ADPT on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 151,849,504
- Total 13F value
- $2,107,726,135
- Portfolio coverage rank
- 0%
- Share change
- +1,238,479
- Value change
- +$6,707,442
- Number of holders
- 294
- Shares outstanding
- 159,541,000
- SEC-reported price per share
- $14.53
- Insider filing price
- $14.53
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ADPT - Adaptive Biotechnologies Corp - Common Stock, par value $0.0001 per share is tracked under CUSIP 00650F109.
- 294 institutions reported positions in Q1 2026.
- 7 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 282 to 294 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $2,440,647,272 to $2,107,726,135.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 294 institutions filings for Q1 2026.
Security key
00650F109
Latest holder period
Q1 2026
13F holders
294
13D/G owners
7
CIK / CUSIP context first
Open Q1 2026 holders
ADPT full holder history
Adaptive Biotechnologies Corp SEC filings
Adaptive Biotechnologies Corp company facts
Adaptive Biotechnologies Corp insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 00650F109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
7
Security
ADPT
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VIKING GLOBAL INVESTORS LP | 19% | $416,312,667 | 29,993,708 | VIKING GLOBAL INVESTORS LP | 31 Mar 2026 | |||
| BlackRock, Inc. | 7.9% | +17% | $194,757,356 | +$33,318,016 | 11,992,448 | +21% | BlackRock, Inc. | 31 Dec 2025 |
| Nikko Asset Management Americas, Inc. | 4.6% | $53,981,782 | 6,833,137 | Nikko Asset Management Americas, Inc. | 31 Dec 2024 | |||
| Sumitomo Mitsui Trust Group, Inc. | 4.6% | $53,981,782 | 6,833,137 | Sumitomo Mitsui Trust Group, Inc. | 31 Dec 2024 | |||
| INTEGRATED CORE STRATEGIES (US) LLC | 4.3% | $49,711,809 | 6,292,634 | Millennium Management LLC | 31 Dec 2024 | |||
| Rubric Capital Management LP | 4.1% | $72,889,139 | 6,256,847 | Rubric Capital Management LP | 30 Jun 2025 | |||
| ARK Investment Management LLC | 2.9% | -27% | $40,863,635 | -$15,506,311 | 4,398,669 | -28% | ARK Investment Management LLC | 31 May 2025 |
As of 31 Mar 2026, 294 institutional investors reported holding 151,849,504 shares of Adaptive Biotechnologies Corp - Common Stock, par value $0.0001 per share (ADPT). This represents 95% of the company’s total 159,541,000 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
68%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VIKING GLOBAL INVESTORS LP | 19% | 29,993,708 | 0% | 1.2% | $416,312,667 |
| BlackRock, Inc. | 8.3% | 13,303,025 | -0.23% | 0% | $184,645,993 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.8% | 6,094,144 | 0% | 0% | $84,586,719 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 3.4% | 5,436,718 | +34% | 0.32% | $75,461,646 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.8% | 4,491,474 | 0% | 0% | $62,341,659 |
| Invesco Ltd. | 2.8% | 4,450,066 | +43% | 0.01% | $61,766,916 |
| WELLINGTON MANAGEMENT GROUP LLP | 2.4% | 3,857,422 | +78% | 0.01% | $53,541,017 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 3,636,054 | +3.5% | 0% | $50,476,677 |
| LORD, ABBETT & CO. LLC | 2.2% | 3,536,103 | +15% | 0.16% | $49,081,000 |
| GOLDMAN SACHS GROUP INC | 2% | 3,242,077 | +12% | 0.01% | $45,000,029 |
| STATE STREET CORP | 2% | 3,227,245 | +1.4% | 0% | $44,794,161 |
| AMERIPRISE FINANCIAL INC | 1.9% | 3,017,341 | +16% | 0.01% | $41,880,713 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1.7% | 2,688,081 | 0.04% | $37,310,564 | |
| ARK Investment Management LLC | 1.3% | 2,092,969 | -2.2% | 0.23% | $29,050,406 |
| FRED ALGER MANAGEMENT, LLC | 1.3% | 2,063,146 | -8.1% | 0.13% | $28,636,466 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.3% | 1,995,202 | -18% | 0.01% | $27,693,404 |
| D. E. Shaw & Co., Inc. | 1.2% | 1,965,610 | +3.3% | 0.02% | $27,282,666 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.2% | 1,881,183 | -3.1% | 0.04% | $26,111,000 |
| Driehaus Capital Management LLC | 1.1% | 1,750,601 | -37% | 0.18% | $24,298,342 |
| Aristotle Atlantic Partners, LLC | 1.1% | 1,714,346 | -7% | 1.1% | $23,795,122 |
| PRINCIPAL FINANCIAL GROUP INC | 1.1% | 1,704,887 | +9.8% | 0.01% | $23,663,831 |
| Sumitomo Mitsui Trust Group, Inc. | 1% | 1,595,370 | -18% | 0.01% | $22,143,736 |
| Amova Asset Management Americas, Inc. | 1% | 1,595,370 | -18% | 0.31% | $22,143,736 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.98% | 1,566,213 | -64% | 0% | $21,741,000 |
| NORTHERN TRUST CORP | 0.87% | 1,392,332 | +19% | 0% | $19,325,568 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
31
Latest
Q1 2026
Rows shown
1-25 of 31
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 151,849,504 | $2,107,726,135 | +$6,707,442 | $13.88 | 294 |
| 2025 Q4 | 150,282,518 | $2,440,647,272 | +$33,879,510 | $16.24 | 282 |
| 2025 Q3 | 145,422,829 | $2,175,120,073 | -$14,779,461 | $14.96 | 269 |
| 2025 Q2 | 148,178,882 | $1,726,248,551 | -$46,396,273 | $11.65 | 240 |
| 2025 Q1 | 152,930,142 | $1,136,093,247 | +$68,698,942 | $7.43 | 222 |
| 2024 Q4 | 143,282,424 | $858,588,192 | +$3,881,916 | $6.00 | 204 |
| 2024 Q3 | 143,105,692 | $732,467,776 | -$27,674,373 | $5.12 | 184 |
| 2024 Q2 | 148,655,164 | $538,029,201 | +$26,127,842 | $3.62 | 173 |
| 2024 Q1 | 142,447,362 | $456,622,976 | -$10,170,998 | $3.21 | 186 |
| 2023 Q4 | 143,639,172 | $703,966,709 | +$9,702,761 | $4.90 | 194 |
| 2023 Q3 | 140,492,459 | $765,707,625 | +$15,429,772 | $5.45 | 187 |
| 2023 Q2 | 137,082,822 | $919,786,637 | +$21,850,661 | $6.71 | 208 |
| 2023 Q1 | 133,849,942 | $1,179,397,231 | +$14,000,370 | $8.83 | 223 |
| 2022 Q4 | 132,787,161 | $1,014,264,343 | +$14,824,828 | $7.64 | 216 |
| 2022 Q3 | 131,007,037 | $931,519,109 | -$31,344,186 | $7.12 | 205 |
| 2022 Q2 | 134,391,278 | $1,083,708,756 | +$49,040,887 | $8.09 | 196 |
| 2022 Q1 | 125,563,937 | $1,741,620,797 | -$42,426,089 | $13.88 | 207 |
| 2021 Q4 | 123,444,543 | $3,462,001,567 | +$139,816,088 | $28.06 | 208 |
| 2021 Q3 | 117,860,461 | $4,003,739,752 | -$434,478 | $33.99 | 212 |
| 2021 Q2 | 117,427,979 | $4,796,005,013 | +$143,202,294 | $40.86 | 226 |
| 2021 Q1 | 113,768,226 | $4,579,995,207 | -$122,834,155 | $40.26 | 238 |
| 2020 Q4 | 114,044,316 | $6,743,577,628 | +$149,068,690 | $59.13 | 244 |
| 2020 Q3 | 111,322,127 | $5,410,179,736 | +$503,359,137 | $48.63 | 206 |
| 2020 Q2 | 101,046,823 | $4,886,712,149 | +$212,566,003 | $48.38 | 192 |
| 2020 Q1 | 96,830,392 | $2,689,585,555 | +$284,953,611 | $27.78 | 144 |