Ticker · CUSIP 00650F109

ADPT

ADAPTIVE BIOTECHNOLOGIES COR
Healthcare·Biotechnology
···Share
Holders (tracked)
12
Combined shares
42,176,193
Combined value
$684.94M
Last close
$14.47
Quarter
2025Q4
Price · 1Y$14.47+7.14 (+97.41%)H $20.46 · L $6.83 · Avg Vol 2.1M
Insider sell
$10.00$15.00$20.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
12132024Q12025Q4
Price is -10.9% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

30 events
  1. RUBINSTEIN JULIE · President and COO
    2026-04-16
    Sold $270.3K @ $14.18
    Insider sell
  2. RUBINSTEIN JULIE · President and COO
    2026-04-15
    Sold $278.5K @ $14.61
    Insider sell
  3. RUBINSTEIN JULIE · President and COO
    2026-04-14
    Sold $277.5K @ $14.56
    Insider sell
  4. RUBINSTEIN JULIE · President and COO
    2026-04-13
    Sold $47.0K @ $14.08
    Insider sell
  5. RUBINSTEIN JULIE · President and COO
    2026-04-13
    Sold $203.6K @ $12.95
    Insider sell
  6. RUBINSTEIN JULIE · President and COO
    2026-04-10
    Sold $5.4K @ $13.48
    Insider sell
  7. RUBINSTEIN JULIE · President and COO
    2026-04-10
    Sold $237.9K @ $12.75
    Insider sell
  8. RUBINSTEIN JULIE · President and COO
    2026-04-09
    Sold $233.9K @ $13.79
    Insider sell
  9. RUBINSTEIN JULIE · President and COO
    2026-04-09
    Sold $30.3K @ $14.44
    Insider sell
  10. ROBINS HARLAN S · Chief Scientific Officer
    2026-04-08
    Sold $148.5K @ $14.85
    Insider sell
  11. LO FRANCIS · Chief People Officer
    2026-04-08
    Sold $340.0K @ $15.07
    Insider sell
  12. T. Rowe Price added2026-02-17
    +3,299,635 shares · 2025Q4
    Position
  13. AQR Capital Management trimmed2026-02-17
    −140,561 shares · 2025Q4
    Position
  14. Ken Griffin (Citadel Advisors) added2026-02-17
    +28,868 shares · 2025Q4
    Position
  15. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +554,037 shares · 2025Q4
    Position
  16. D.E. Shaw & Co. added2026-02-17
    +1,164,509 shares · 2025Q4
    Position
  17. Wellington Management added2026-02-17
    +1,664,243 shares · 2025Q4
    Position
  18. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −378,953 shares · 2025Q4
    Position
  19. Steve Cohen (Point72) trimmed2026-02-17
    −116,396 shares · 2025Q4
    Position
  20. Ray Dalio (Bridgewater Associates) added2026-02-13
    +114,237 shares · 2025Q4
    Position
  21. Renaissance Technologies exited2026-02-12
    −279,700 shares · 2025Q4
    Position
  22. Cathie Wood (ARK Invest) trimmed2026-02-11
    −1,026,676 shares · 2025Q4
    Position
  23. Paul Tudor Jones (Tudor Investment) exited2025-12-09
    −686,567 shares · 2025Q3
    Position
  24. D.E. Shaw & Co. added2025-11-14
    +129,896 shares · 2025Q3
    Position
  25. AQR Capital Management added2025-11-14
    +176,598 shares · 2025Q3
    Position
  26. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −617,332 shares · 2025Q3
    Position
  27. Steve Cohen (Point72) trimmed2025-11-14
    −1,054,452 shares · 2025Q3
    Position
  28. T. Rowe Price added2025-11-14
    +965,524 shares · 2025Q3
    Position
  29. Wellington Management opened position2025-11-14
    +501,084 shares · 2025Q3
    Position
  30. Renaissance Technologies added2025-11-13
    +229,800 shares · 2025Q3
    Position

Insider activity

Last 30 days
Net (open-market)
−$2.07M
Buys
0 · $0
Sells
11 · $2.07M
Unique insiders
3
DateInsiderCodeSharesPriceValue
04-16RUBINSTEIN JULIE
President and COO · Officer
S19,060$14.18$270.3K
04-16RUBINSTEIN JULIE
President and COO · Officer
M14,722$8.46$124.5K
04-15RUBINSTEIN JULIE
President and COO · Officer
S19,060$14.61$278.5K
04-15RUBINSTEIN JULIE
President and COO · Officer
M14,722$8.46$124.5K
04-14RUBINSTEIN JULIE
President and COO · Officer
S19,060$14.56$277.5K
04-14RUBINSTEIN JULIE
President and COO · Officer
M14,722$8.46$124.5K
04-13RUBINSTEIN JULIE
President and COO · Officer
S3,338$14.08$47.0K
04-13RUBINSTEIN JULIE
President and COO · Officer
M8,109$7.27$59.0K
04-13RUBINSTEIN JULIE
President and COO · Officer
M6,613$8.46$55.9K
04-13RUBINSTEIN JULIE
President and COO · Officer
S15,722$12.95$203.6K
04-10RUBINSTEIN JULIE
President and COO · Officer
S18,660$12.75$237.9K
04-10RUBINSTEIN JULIE
President and COO · Officer
S400$13.48$5.4K
04-10RUBINSTEIN JULIE
President and COO · Officer
M14,722$7.27$107.0K
04-09RUBINSTEIN JULIE
President and COO · Officer
M14,722$7.27$107.0K
04-09RUBINSTEIN JULIE
President and COO · Officer
S2,100$14.44$30.3K
04-09RUBINSTEIN JULIE
President and COO · Officer
S16,960$13.79$233.9K
04-08LO FRANCIS
Chief People Officer · Officer
S22,564$15.07$340.0K
04-08ROBINS HARLAN S
Chief Scientific Officer · Officer
S10,000$14.85$148.5K
04-08LO FRANCIS
Chief People Officer · Officer
M2,344$3.99$9.4K
View full insider history for ADPT →
Follow-the-investor returns
If you'd copied each holder of ADPT…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Izzy Englander (Millennium Mgmt)2019Q2$3.70+290.6%$266K
Paul Tudor Jones (Tudor Investment)2019Q2$6.87+110.7%$8.0M
Steve Cohen (Point72)2019Q2$7.62+90.0%$2.9M
AQR Capital Management2021Q1$9.44+53.3%$6.8M
D.E. Shaw & Co.2019Q4$14.47-0.0%$27.5M
Ken Griffin (Citadel Advisors)2019Q3$15.50-6.7%$315K
Ken Griffin (Citadel Advisors)2019Q3$15.50-6.7%$315K
Ray Dalio (Bridgewater Associates)2025Q3$15.51-6.7%$3.8M
Wellington Management2019Q2$16.28-11.1%$31.3M
T. Rowe Price2019Q2$16.42-11.9%$63.5M
Cathie Wood (ARK Invest)2020Q2$21.19-31.7%$31.0M
Andreas Halvorsen (Viking Global)2019Q2$48.30-70.0%$434.0M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
Added to5
Trimmed4
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
13
$15.59B
2022Q2
13
$9.61B
2022Q3
14
$392.0M
2022Q4
13
$434.2M
2023Q1
14
$489.4M
2023Q2
14
$374.1M
2023Q3
13
$328.8M
2023Q4
10
$289.2M
2024Q1
13
$171.3M
2024Q2
11
$230.8M
2024Q3
12
$271.0M
2024Q4
12
$288.2M
2025Q1
10
$311.6M
2025Q2
11
$455.7M
2025Q3
12
$557.8M
2025Q4
12
$684.9M

Who owns ADPT

12 super-investors · 2025Q4
Tracked stake
42.18M
shares
Combined value
$685M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added6Trim4Held1
#ManagerSharesValue
1Andreas Halvorsen
Viking Global
29.99M$487M
2T. Rowe Price4.39M$71M
3Wellington Management2.17M$35M
4Cathie Wood
ARK Invest
2.14M$35M
5D.E. Shaw & Co.1.90M$31M
6Paul Tudor Jones
Tudor Investment
554.0K$9M
7AQR Capital Management468.4K$8M
8Ray Dalio
Bridgewater Associates
265.5K$4M
9Steve Cohen
Point72
203.1K$3M
10Ken Griffin
Citadel Advisors
57.0K$925K
11Ken Griffin
Citadel Advisors
21.8K$354K
12Izzy Englander
Millennium Mgmt
18.4K$298K

Recent moves

20 transactions
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