$NKTR

$37.97 +$0.52 (1.39%) Close

$NKTR Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 34.1M shares outstanding

Who owns NKTR?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 58.3%

FMR LLC 14.8% · Two Seas Capital LP 9.1%

Institutional ownership

100.0%

+21.1 pts vs last qtr

Institutional holders

236

+20 vs last qtr

Net shares bought

+8.5M

by institutions in Q2 2026

New / sold out

69 / 49

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +2.2M
Two Seas Capital LP +1.1M

Biggest sellers in Q2 2026

Invesco Ltd. −487.6K
Citadel Advisors LLC −353.8K

Who is planning to sell?

Notices of proposed sale, last 12 months

$8.12M

15 notices from 4 people

Shares covered

119.4K

0.35% of the company

Arranged in advance

25%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Wilson Mark Andrew Former officer $5.74M
Robin Howard W Officer $1.43M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2023–FY2025

−11.2%

−5.77% a year

Each share's claim on the business

+12.6%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$3M vs —

over 3 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years46% 3–5 years2% 1–3 years9% Under 1 year44%

Quarterly turnover

30.5%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting NKTR on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
F FMR LLC	5.1M	14.84%	+764.7K (+17.8%)	≤2021	0.0%
Shares held by quarter Peak holding5.1M (Q2'26) Change over 8 quarters+4.7M Share of the company14.840% FMR LLC's full portfolio →
TS Two Seas Capital LP	3.1M	9.06%	+1.1M (+57.8%)	Q4 '25	4.3%
Shares held by quarter Peak holding3.1M (Q2'26) Change over 8 quarters+3.1M Share of the company9.060% Two Seas Capital LP's full portfolio →

FMR LLC

5.1M

% of company

14.84%

Change vs last qtr

+764.7K (+17.8%)

Held since

≤2021

Two Seas Capital LP

3.1M

% of company

9.06%

Change vs last qtr

+1.1M (+57.8%)

Held since

Q4 '25

28 more super investors behind a free account

See every manager holding Nektar Therapeutics, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting NKTR on Form N-PORT; together they hold 26.9% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FG Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust	$132M	1.9M	5.42%	0.14%	August 31, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$75.1M	1.1M	3.15%	0.00%	June 30, 2026

Fidelity Growth Company Fund

Fidelity Mt. Vernon Street Trust

Position value

$132M

% of company

5.42%

% of the fund

0.14%

As of

August 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$75.1M

% of company

3.15%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Nektar Therapeutics and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
RH Robin Howard W Insider	54.7K	0.16%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.160% Robin Howard W's insider activity →
GR Greer R Scott Insider	22.2K	0.07%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.070% Greer R Scott's insider activity →

Robin Howard W

Insider

54.7K

% of company

0.16%

Change vs last qtr

—

Held since

—

Greer R Scott

Insider

22.2K

% of company

0.07%

Change vs last qtr

—

Held since

—

6 more holders behind a free account

See every insider and 5%+ holder of Nektar Therapeutics.

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