ADPT
ADAPTIVE BIOTECH (ADPT)
NASDAQ
$29.18-$0.77 (-2.56%)
Price as of Nov 12, 2026 9:43 AM EST
  • $4.8B
    Market Cap
  • 106.48%
    1-Year Change
  • Diagnostics & Research
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VIKING GLOBAL INVESTORS LP
18.53%
30.0M
0 (0.00%)
Jun 30, 2026
BLACKROCK, INC.
9.35%
15.1M
+1.8M (+12.13%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
7.49%
12.1M
+188,005 (+1.55%)
Dec 31, 2024
BLACKROCK INC.
7.21%
11.7M
+473,883 (+4.06%)
Jun 30, 2024
MATRIX CAPITAL MANAGEMENT COMPANY, LLC
7.15%
11.6M
0 (0.00%)
Dec 31, 2021
VANGUARD GROUP INC
6.97%
11.3M
+6,983 (+0.06%)
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
3.96%
6.4M
+309,443 (+4.83%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions2.8B (76.69%)
  • Mutual Funds715.0M (19.88%)
  • Insiders123.3M (3.43%)
  • Other0 (0.00%)

Insider Transactions

  • 3.43% (123.3M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 10
    Number of InsiderSelling (last 12 months)
  • $1.3B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
RUBINSTEIN JULIE
President and COO
Exempt
Nov 10, 2026
$0.00
11,881
$0.00
35,228
RUBINSTEIN JULIE
President and COO
Exempt
Nov 10, 2026
$144,235.34
11,881
$12.14
389,683
RUBINSTEIN JULIE
President and COO
Sell
Nov 10, 2026
$292,942.35
9,981
$29.35
379,702
RUBINSTEIN JULIE
President and COO
Sell
Nov 10, 2026
$57,779.00
1,900
$30.41
377,802
RUBINSTEIN JULIE
President and COO
Exempt
Nov 09, 2026
$144,235.34
11,881
$12.14
389,683
RUBINSTEIN JULIE
President and COO
Sell
Nov 09, 2026
$31,757.00
1,100
$28.87
388,583
RUBINSTEIN JULIE
President and COO
Sell
Nov 09, 2026
$252,687.15
8,381
$30.15
380,202
RUBINSTEIN JULIE
President and COO
Sell
Nov 09, 2026
$73,392.00
2,400
$30.58
377,802
RUBINSTEIN JULIE
President and COO
Exempt
Nov 09, 2026
$0.00
11,881
$0.00
47,109
RUBINSTEIN JULIE
President and COO
Exempt
Nov 06, 2026
$0.00
11,881
$0.00
58,990
RUBINSTEIN JULIE
President and COO
Exempt
Nov 06, 2026
$144,235.34
11,881
$12.14
389,683
RUBINSTEIN JULIE
President and COO
Sell
Nov 06, 2026
$229,488.00
8,400
$27.32
381,283
RUBINSTEIN JULIE
President and COO
Sell
Nov 06, 2026
$97,050.28
3,481
$27.88
377,802
RUBINSTEIN JULIE
President and COO
Exempt
Nov 05, 2026
$0.00
11,881
$0.00
70,871
RUBINSTEIN JULIE
President and COO
Exempt
Nov 05, 2026
$144,235.34
11,881
$12.14
389,683
RUBINSTEIN JULIE
President and COO
Sell
Nov 05, 2026
$154,668.60
5,926
$26.10
383,757
RUBINSTEIN JULIE
President and COO
Sell
Nov 05, 2026
$146,630.40
5,455
$26.88
378,302
RUBINSTEIN JULIE
President and COO
Sell
Nov 05, 2026
$13,850.00
500
$27.70
377,802
RUBINSTEIN JULIE
President and COO
Exempt
Nov 04, 2026
$144,235.34
11,881
$12.14
389,683
RUBINSTEIN JULIE
President and COO
Sell
Nov 04, 2026
$103,120.00
4,000
$25.78
385,683
RUBINSTEIN JULIE
President and COO
Sell
Nov 04, 2026
$209,634.60
7,881
$26.60
377,802
RUBINSTEIN JULIE
President and COO
Exempt
Nov 04, 2026
$0.00
11,881
$0.00
82,752
RUBINSTEIN JULIE
President and COO
Exempt
Nov 03, 2026
$0.00
11,881
$0.00
94,633
RUBINSTEIN JULIE
President and COO
Exempt
Nov 03, 2026
$144,235.34
11,881
$12.14
389,683
RUBINSTEIN JULIE
President and COO
Sell
Nov 03, 2026
$308,668.38
11,881
$25.98
377,802
RUBINSTEIN JULIE
President and COO
Exempt
Nov 02, 2026
$0.00
11,881
$0.00
106,514
RUBINSTEIN JULIE
President and COO
Exempt
Nov 02, 2026
$144,235.34
11,881
$12.14
389,683
RUBINSTEIN JULIE
President and COO
Sell
Nov 02, 2026
$234,538.08
9,296
$25.23
380,387
RUBINSTEIN JULIE
President and COO
Sell
Nov 02, 2026
$68,088.90
2,585
$26.34
377,802
RUBINSTEIN JULIE
President and COO
Exempt
Oct 30, 2026
$0.00
11,881
$0.00
118,395