Nektar Therapeutics (NKTR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

18,946,559Shares Outstanding

17,334,408Shares held by institutions

$1,459,557,154Value of institutional holdings

91.49%Institutional ownership %

34.69%Shares Changed QoQ

179No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Nektar Therapeutics (NASDAQ:NKTR) is held by 179 institutional investors per 13F filings through December 2025.

These investors held 90.6% of outstanding shares in December 2025, up from 82.1% in September 2025.
They increased total shares held in NKTR by 33.59% quarter over quarter, and investors in Nektar Therapeutics increased 24.31% from a year ago.
Activity in NKTR broke down as 112 buyers, 41 sellers, and 26 unchanged among 179 total holders.
The aggregate institutional position in Nektar Therapeutics amounted to 17.17Mn shares as of December 2025, up by 4.32Mn shares quarter on quarter, and down 117.35Mn shares year over year.
BVF INC/IL is the top holder of Nektar Therapeutics as of December 31, 2025, with 1.56Mn shares representing 8.23% of outstanding stock.
The most significant purchases of NKTR for the quarter ending December 2025 came from Two Seas Capital LP (745.18K), Prosight Management, LP (554.63K), ARMISTICE CAPITAL, LLC (328.0K), Sofinnova Investments, Inc. (320.21K), Qube Research & Technologies Ltd (319.94K).
The largest sales of NKTR for the quarter ending December 2025 came from SUSQUEHANNA INTERNATIONAL GROUP, LLP (541.59K), Morgan Stanley (362.73K), Nantahala Capital Management, LLC (305.58K), Jefferies Financial Group Inc. (191.3K), Hudson Bay Capital Management LP (155.66K).
Nektar Therapeutics's 10 largest shareholders as of December 2025 include BVF INC/IL (1.56Mn), VANGUARD GROUP INC (1.03Mn), Two Seas Capital LP (745.18K), BlackRock, Inc. (645.61K), ARMISTICE CAPITAL, LLC (596.0K), Morgan Stanley (566.42K), Prosight Management, LP (554.63K), TWO SIGMA INVESTMENTS, LP (473.01K), Invesco Ltd. (468.16K), MILLENNIUM MANAGEMENT LLC (454.08K) per Business Quant data.

179 Institutional Holders

17,334,408 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BVF INC/IL	31 Dec, 2025	1,559,595	283,000	22.17%	$65,939,677.00
VANGUARD GROUP INC	31 Dec, 2025	1,027,089	78,442	8.27%	$43,425,322.00
Two Seas Capital LP	31 Dec, 2025	745,185	745,185	0.00%	$31,506,422.00
BlackRock, Inc.	31 Dec, 2025	645,607	36,493	5.99%	$27,296,262.00
ARMISTICE CAPITAL, LLC	31 Dec, 2025	596,000	328,000	122.39%	$25,198,880.00
Morgan Stanley	31 Dec, 2025	566,421	-362,730	-39.04%	$23,948,280.00
Prosight Management, LP	31 Dec, 2025	554,633	554,633	0.00%	$23,449,883.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	473,014	38,777	8.93%	$19,999,032.00
Invesco Ltd.	31 Dec, 2025	468,159	241,262	106.33%	$19,793,774.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	454,075	-91,919	-16.84%	$19,198,291.00
Sofinnova Investments, Inc.	31 Dec, 2025	438,630	320,211	270.41%	$18,545,276.00
Point72 Asset Management, L.P.	31 Dec, 2025	433,419	309,761	250.50%	$18,324,955.00
EMERALD ADVISERS, LLC	31 Dec, 2025	384,342	61,096	18.90%	$16,249,980.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	383,310	-541,586	-58.56%	$16,206,346.00
22NW, LP	31 Dec, 2025	331,115	0	0.00%	$13,999,542.00
Qube Research & Technologies Ltd	31 Dec, 2025	323,915	319,941	8,050.86%	$13,695,126.00
CITADEL ADVISORS LLC	31 Dec, 2025	309,777	-51,296	-14.21%	$13,097,371.00
TWO SIGMA ADVISERS, LP	31 Dec, 2025	308,414	129,506	72.39%	$13,039,744.00
VOLORIDGE INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	295,716	123,940	72.15%	$12,502,872.00
Goldman Sachs Group Inc	31 Dec, 2025	295,586	218,531	283.60%	$12,497,376.00

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