NKTR
NEKTAR THERAPEUT (NKTR)
NASDAQ
$66.72+$1.02 (+1.54%)
Price as of Jun 23, 2026 4:10 PM EDT
  • $2.2B
    Market Cap
  • 588.68%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
OPPENHEIMERFUNDS, INC.
88.55%
17.3M
-34 (-0.0002%)
Mar 31, 2019
BLACKROCK FUNDING, INC. /DE
82.35%
16.1M
+122,236 (+0.76%)
Dec 31, 2024
BLACKROCK INC.
77.56%
15.2M
+9.3M (+61.21%)
Jun 30, 2024
BLACKROCK FUND ADVISORS
70.84%
13.8M
+2.9M (+20.75%)
Dec 31, 2016
WELLINGTON MANAGEMENT CO LLP
58.26%
11.4M
0 (0.00%)
Dec 31, 2021
FMR LLC
22.02%
4.3M
+4.2M (+97.65%)
Mar 31, 2026
CAMBER CAPITAL MANAGEMENT LP
20.47%
4.0M
+250,000 (+6.25%)
Mar 31, 2022

Current Ownership Distribution

  • Institutions2.2B (64.54%)
  • Mutual Funds1.2B (34.82%)
  • Insiders22.0M (0.64%)
  • Other0 (0.00%)

Insider Transactions

  • 0.64% (22.0M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 3
    Number of InsiderSelling (last 12 months)
  • $42.2M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
ROBIN HOWARD W
President & CEO
Sell
Jun 17, 2026
$334,455.00
5,500
$60.81
59,545
ROBIN HOWARD W
President & CEO
Sell
Jun 17, 2026
$277,425.00
4,500
$61.65
55,045
ROBIN HOWARD W
President & CEO
Sell
Jun 16, 2026
$318,020.91
5,303
$59.97
69,742
ROBIN HOWARD W
President & CEO
Sell
Jun 16, 2026
$285,154.87
4,697
$60.71
65,045
Zalevsky Jonathan
Chief R&D Officer
Sell
Jun 15, 2026
$336,211.98
5,538
$60.71
15,437
ROBIN HOWARD W
President & CEO
Sell
Feb 18, 2026
$30,879.00
423
$73.00
75,489
Zalevsky Jonathan
Chief R&D Officer
Sell
Jan 20, 2026
$137,935.89
3,867
$35.67
21,354
Zalevsky Jonathan
Chief R&D Officer
Award
Dec 22, 2025
$0.00
25,000
$0.00
25,000
Zalevsky Jonathan
Chief R&D Officer
Award
Dec 22, 2025
$0.00
6,250
$0.00
25,221
Zalevsky Jonathan
Chief R&D Officer
Sell
Nov 25, 2025
$62,801.96
1,157
$54.28
18,971
ROBIN HOWARD W
President & CEO
Sell
Nov 25, 2025
$119,795.96
2,207
$54.28
54,245
Wilson Mark Andrew
Chief Legal Officer
Sell
Nov 25, 2025
$34,196.40
630
$54.28
21,585
ROBIN HOWARD W
President & CEO
Award
Nov 21, 2025
$0.00
12,170
$0.00
12,170
Zalevsky Jonathan
Chief R&D Officer
Award
Nov 21, 2025
$0.00
4,766
$0.00
4,766
ROBIN HOWARD W
President & CEO
Award
Nov 21, 2025
$0.00
7,110
$0.00
56,452
Wilson Mark Andrew
Chief Legal Officer
Award
Nov 21, 2025
$0.00
3,400
$0.00
3,400
Zalevsky Jonathan
Chief R&D Officer
Award
Nov 21, 2025
$0.00
2,666
$0.00
20,128
Wilson Mark Andrew
Chief Legal Officer
Award
Nov 21, 2025
$0.00
1,903
$0.00
22,215
WHITFIELD ROY A
Award
Sep 30, 2025
$0.00
8,000
$0.00
8,000
Ajer Jeffrey Robert
Award
Sep 30, 2025
$0.00
8,000
$0.00
8,000
CHESS ROBERT
Award
Sep 30, 2025
$0.00
8,000
$0.00
8,000
ROBIN HOWARD W
President & CEO
Sell
Sep 09, 2025
$94,836.00
2,100
$45.16
53,908
ROBIN HOWARD W
President & CEO
Sell
Sep 09, 2025
$55,692.00
1,200
$46.41
52,708
ROBIN HOWARD W
President & CEO
Sell
Sep 09, 2025
$102,388.44
2,156
$47.49
50,552
ROBIN HOWARD W
President & CEO
Sell
Sep 09, 2025
$58,297.80
1,210
$48.18
49,342
Zalevsky Jonathan
Chief R&D Officer
Sell
Sep 04, 2025
$25,716.99
793
$32.43
18,390
Zalevsky Jonathan
Chief R&D Officer
Sell
Sep 04, 2025
$14,515.20
432
$33.60
17,958
Zalevsky Jonathan
Chief R&D Officer
Sell
Sep 04, 2025
$6,503.49
189
$34.41
17,769
Zalevsky Jonathan
Chief R&D Officer
Sell
Sep 04, 2025
$10,956.83
307
$35.69
17,462
Zalevsky Jonathan
Chief R&D Officer
Sell
Sep 02, 2025
$14,598.50
485
$30.10
19,183