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NKTR · Nektar Therapeutics

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$74.94 +1.25 (+1.70%)
Market Cap
$2.53B
Shares
34.14M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 243
Total Value: $2,656,265,061
Total Shares: 38,049,925

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 243 13F filers · Δ vs Mar 31, 2026
Top Holder
13.3%
Sep 2023 → Jun 2026 · range 8.8% – 16.4%
−3.1 pts
Top 5
39.4%
Sep 2023 → Jun 2026 · range 28.9% – 46.5%
−1.2 pts
Top 10
54.0%
Sep 2023 → Jun 2026 · range 43.4% – 66.2%
+0.7 pts
HHI
445
Sep 2023 → Jun 2026 · range 295 – 613
Broadly held−75

Quarterly Activity

vs Mar 31, 2026
New
77
Increased
98
Decreased
42
Sold Out
45
Unchanged
26
Holder count: +32
Institutional value: +40.7%
Shares held: +45.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 256
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 906709 CUSIP 640268306 13F (30d) 246 filings 228 filers Visit website Investor relations