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 Q3 2026

13F reference period

Q2 2026

Institutions Reporting

299

Shares (Excl. Options)

155.82MFull value: 155,819,113 · shares · 30 Jun 2026

Price

$21.45

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Security type / class
Equity / Common Stock, par value $0.0001 per share
Symbol
ADPT on Nasdaq
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
155,819,113
Latest holder snapshot 5 signals
Total 13F value
$3,341,295,622
Portfolio coverage rank
0%
Share change
+3,489,346
Value change
+$115,664,488
Number of holders
299
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
159,541,000
SEC-reported price per share
$26.09
Insider filing price
$26.09
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • ADPT - Adaptive Biotechnologies Corp - Common Stock, par value $0.0001 per share is tracked under CUSIP 00650F109.
  • 299 institutions reported positions in Q2 2026.
  • 7 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 297 to 299 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $2.11BFull value: $2,108,918,301 · USD · 31 Mar 2026
    to
    $3.34BFull value: $3,341,295,622 · USD · 30 Jun 2026
    .

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

Latest holder context comes from 299 institutions filings for Q2 2026.

Open SEC evidence

Security key

00650F109

13F reference period

Q2 2026

13F holders

299

13D/G owners

7

CIK / CUSIP context first

Open Q2 2026 holders ADPT full holder history Adaptive Biotechnologies Corp SEC filings Adaptive Biotechnologies Corp company facts Adaptive Biotechnologies Corp insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

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 30 Jun 2026, 299 institutional investors reported holding
155.82MFull value: 155,819,113 · shares · 30 Jun 2026
shares of Adaptive Biotechnologies Corp - Common Stock, par value $0.0001 per share (ADPT). This represents 98% of the company’s total
159.54MFull value: 159,541,000 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
72%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VIKING GLOBAL INVESTORS LP 19% 29,993,708 0% 1.8% $643,365,037
BlackRock, Inc. 9.5% 15,139,159 +14% 0% $324,734,962
VANGUARD CAPITAL MANAGEMENT LLC 4% 6,403,587 +5.1% 0% $137,356,941
WELLINGTON MANAGEMENT GROUP LLP 3.7% 5,911,366 +53% 0.02% $126,798,802
VANGUARD PORTFOLIO MANAGEMENT LLC 3.4% 5,476,231 +22% 0.01% $117,465,155
D. E. Shaw & Co., Inc. 2.9% 4,625,859 +135% 0.06% $99,224,675
WESTFIELD CAPITAL MANAGEMENT CO LP 2.7% 4,267,645 -22% 0.3% $91,540,985
GEODE CAPITAL MANAGEMENT, LLC 2.3% 3,641,837 +0.16% 0% $78,131,203
STATE STREET CORP 2.2% 3,458,388 +7.2% 0% $74,181,636
Invesco Ltd. 1.9% 3,094,011 -30% 0.01% $66,366,535
GOLDMAN SACHS GROUP INC 1.9% 2,984,227 -8% 0.01% $64,011,670
PRICE T ROWE ASSOCIATES INC /MD/ 1.7% 2,665,308 +70% 0.01% $57,172,000
Driehaus Capital Management LLC 1.6% 2,527,703 +44% 0.31% $54,219,229
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.6% 2,524,620 +27% 0.02% $54,153,099
LORD, ABBETT & CO. LLC 1.6% 2,474,814 -30% 0.15% $53,085,000
Nuveen, LLC 1.5% 2,366,155 +81% 0.01% $50,754,025
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 1.4% 2,182,326 -19% 0.05% $46,810,892
FRED ALGER MANAGEMENT, LLC 1.3% 2,092,284 +1.4% 0.15% $44,879,492
ARK Investment Management LLC 1.3% 2,090,306 -0.13% 0.29% $44,837,058
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 1.2% 1,889,188 +0.43% 0.06% $40,523,000
Aristotle Atlantic Partners, LLC 1.2% 1,838,513 +7.2% 1.6% $39,436,104
T. Rowe Price Investment Management, Inc. 1.1% 1,779,651 +94% 0.03% $38,174,000
BANK OF AMERICA CORP /DE/ 1.1% 1,730,044 +41% 0% $37,109,444
JANE STREET GROUP, LLC 1% 1,590,513 +133% 0.02% $34,116,504
NORTHERN TRUST CORP 0.94% 1,507,351 +8.3% 0% $32,332,679

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
33
Headline period
Q2 2026
Rows shown
1-25 of 33
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 5,590,336 $160,352,222 +$6,671,993 $28.90 85
2026 Q2 155,819,113 $3,341,295,622 +$115,664,488 $21.45 299
2026 Q1 151,935,365 $2,108,918,301 +$7,171,978 $13.88 297
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
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