ADPT
ADAPTIVE BIOTECH (ADPT)
NASDAQ
$17.66+$0.29 (+1.67%)
Price as of Jun 23, 2026 1:32 PM EDT
  • $2.8B
    Market Cap
  • 64.49%
    1-Year Change
  • Diagnostics & Research
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VIKING GLOBAL INVESTORS LP
18.74%
30.0M
0 (0.00%)
Mar 31, 2026
BLACKROCK, INC.
8.31%
13.3M
-30,534 (-0.23%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
7.57%
12.1M
+188,005 (+1.55%)
Dec 31, 2024
BLACKROCK INC.
7.29%
11.7M
+473,883 (+4.06%)
Jun 30, 2024
MATRIX CAPITAL MANAGEMENT COMPANY, LLC
7.23%
11.6M
0 (0.00%)
Dec 31, 2021
VANGUARD GROUP INC
7.05%
11.3M
+6,983 (+0.06%)
Dec 31, 2025
RUBRIC CAPITAL MANAGEMENT LP
3.91%
6.3M
-6.9M (-109.66%)
Jun 30, 2025

Current Ownership Distribution

  • Institutions2.6B (77.63%)
  • Mutual Funds616.9M (18.65%)
  • Insiders123.2M (3.72%)
  • Other0 (0.00%)

Insider Transactions

  • 3.72% (123.2M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 8
    Number of InsiderSelling (last 12 months)
  • $618.8M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
BOBULSKY SUSAN
Chief Commercial Officer, MRD
Sell
Jun 11, 2026
$95,000.00
5,000
$19.00
411,775
LO FRANCIS
Chief People Officer
Exempt
Apr 08, 2026
$0.00
2,344
$0.00
88,297
LO FRANCIS
Chief People Officer
Exempt
Apr 08, 2026
$9,352.56
2,344
$3.99
293,718
LO FRANCIS
Chief People Officer
Sell
Apr 08, 2026
$340,039.48
22,564
$15.07
271,154
RUBINSTEIN JULIE
President and COO
Exempt
Apr 02, 2026
$0.00
14,722
$0.00
81,719
RUBINSTEIN JULIE
President and COO
Exempt
Apr 02, 2026
$107,028.94
14,722
$7.27
466,262
RUBINSTEIN JULIE
President and COO
Sell
Apr 02, 2026
$278,276.00
19,060
$14.60
447,202
RUBINSTEIN JULIE
President and COO
Exempt
Apr 01, 2026
$107,028.94
14,722
$7.27
470,600
RUBINSTEIN JULIE
President and COO
Sell
Apr 01, 2026
$275,417.00
19,060
$14.45
451,540
RUBINSTEIN JULIE
President and COO
Exempt
Apr 01, 2026
$0.00
14,722
$0.00
96,441
RUBINSTEIN JULIE
President and COO
Exempt
Mar 31, 2026
$0.00
14,722
$0.00
111,163
RUBINSTEIN JULIE
President and COO
Exempt
Mar 31, 2026
$107,028.94
14,722
$7.27
474,938
RUBINSTEIN JULIE
President and COO
Sell
Mar 31, 2026
$256,357.00
19,060
$13.45
455,878
RUBINSTEIN JULIE
President and COO
Exempt
Mar 30, 2026
$107,028.94
14,722
$7.27
479,276
RUBINSTEIN JULIE
President and COO
Sell
Mar 30, 2026
$240,727.80
19,060
$12.63
460,216
RUBINSTEIN JULIE
President and COO
Exempt
Mar 30, 2026
$0.00
14,722
$0.00
125,885
RUBINSTEIN JULIE
President and COO
Exempt
Mar 27, 2026
$0.00
14,722
$0.00
140,607
RUBINSTEIN JULIE
President and COO
Exempt
Mar 27, 2026
$107,028.94
14,722
$7.27
483,614
RUBINSTEIN JULIE
President and COO
Sell
Mar 27, 2026
$34,197.62
2,738
$12.49
480,876
RUBINSTEIN JULIE
President and COO
Sell
Mar 27, 2026
$220,020.56
16,322
$13.48
464,554
RUBINSTEIN JULIE
President and COO
Exempt
Mar 26, 2026
$0.00
14,722
$0.00
155,329
RUBINSTEIN JULIE
President and COO
Exempt
Mar 26, 2026
$107,028.94
14,722
$7.27
487,952
RUBINSTEIN JULIE
President and COO
Sell
Mar 26, 2026
$269,127.20
19,060
$14.12
468,892
RUBINSTEIN JULIE
President and COO
Exempt
Mar 25, 2026
$107,028.94
14,722
$7.27
492,290
RUBINSTEIN JULIE
President and COO
Sell
Mar 25, 2026
$271,986.20
19,060
$14.27
473,230
RUBINSTEIN JULIE
President and COO
Exempt
Mar 25, 2026
$0.00
14,722
$0.00
170,051
RUBINSTEIN JULIE
President and COO
Exempt
Mar 24, 2026
$0.00
14,722
$0.00
184,773
RUBINSTEIN JULIE
President and COO
Exempt
Mar 24, 2026
$107,028.94
14,722
$7.27
496,628
RUBINSTEIN JULIE
President and COO
Sell
Mar 24, 2026
$261,122.00
19,060
$13.70
477,568
RUBINSTEIN JULIE
President and COO
Exempt
Mar 18, 2026
$0.00
14,722
$0.00
18,661