Nektar Therapeutics (NKTR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

18,995,722Shares Outstanding

521,475Shares held by institutions

$38,495,285Value of institutional holdings

86.98%Institutional ownership %

30.57%Shares Changed QoQ

173No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of December 2025 show that 173 institutional investors hold a position in Nektar Therapeutics (NASDAQ:NKTR).

Institutional ownership in Nektar Therapeutics edged up to 87.0% in December 2025, compared to 77.2% in September 2025.
The company experienced a 30.57% quarterly change in institutional shares held, alongside an increase of 20.14% in total owners annually.
A review of institutional activity for Nektar Therapeutics shows 107 of 173 filers increasing their positions, while 40 reduced their stake, and 26 remained unchanged.
This class of investors increased its holdings in Nektar Therapeutics to 16.52Mn shares for the 13F-cycle ending December 2025, up by 3.87Mn shares quarter on quarter, and up 7.70Mn shares year over year.
With 1.56Mn shares, BVF INC/IL commands the largest institutional position in Nektar Therapeutics as of December 31, 2025, equating to 8.21% of the company.
Among the most significant buyers of Nektar Therapeutics during December 2025 were Two Seas Capital LP (745.18K), Prosight Management, LP (554.63K), ARMISTICE CAPITAL, LLC (328.00K), Sofinnova Investments, Inc. (320.21K), Qube Research & Technologies Ltd (319.94K).
Leading sellers of Nektar Therapeutics stock in December 2025 included SUSQUEHANNA INTERNATIONAL GROUP, LLP (541.59K), MORGAN STANLEY (362.73K), Nantahala Capital Management, LLC (305.58K), Jefferies Financial Group Inc. (191.30K), Woodline Partners LP (129.06K).
The top 10 institutional holders of Nektar Therapeutics for the quarter ending December 2025 included BVF INC/IL (1.56Mn), VANGUARD GROUP INC (1.03Mn), Two Seas Capital LP (745.18K), BlackRock, Inc. (645.61K), ARMISTICE CAPITAL, LLC (596.00K), MORGAN STANLEY (566.42K), Prosight Management, LP (554.63K), TWO SIGMA INVESTMENTS, LP (473.01K), MILLENNIUM MANAGEMENT LLC (454.07K), Sofinnova Investments, Inc. (438.63K).

173 Institutional Holders

521,475 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
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	454,075	-116,919	-20.48%	$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
UBS Group AG	31 Dec, 2025	287,561	196,739	216.62%	$12,158,079.00
BALYASNY ASSET MANAGEMENT L.P.	31 Dec, 2025	282,021	99,207	54.27%	$11,923,848.00

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