$NKTX

$1.70 -$0.13 (7.1%) Close

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

Ownership

13F as of Q2 2026 · 71.6M shares outstanding

Who owns NKTX?

By type of holder

Institutions 82.6% Insiders 1.7% Everyone else 15.8%

Concentration Top 10 holders own 63.7%

Ra Capital Management, L.P. 15.1% · BlackRock, Inc. 8.8%

Institutional ownership

82.6%

+2.0 pts vs last qtr

Institutional holders

132

+6 vs last qtr

Net shares bought

+1.4M

by institutions in Q2 2026

New / sold out

24 / 18

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +1.8M
Blackstone Inc. NEW +747.0K

Biggest sellers in Q2 2026

Alyeska Investment Group, L.P. −1.6M
Tang Capital Management LLC SOLD OUT −1.5M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Nkarta, Inc. in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2021–FY2025

+125.2%

+22.50% a year

Each share's claim on the business

−55.6%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $73.8M

over 5 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+ years57% 3–5 years9% 1–3 years22% Under 1 year12%

Quarterly turnover

10.8%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting NKTX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
RC Ra Capital Management, L.P.	10.8M	15.09%	Unchanged	≤2021	0.3%
Shares held by quarter Peak holding10.8M (Q3'24) Change over 8 quarters0 Share of the company15.090% Ra Capital Management, L.P.'s full portfolio →
B BlackRock, Inc.	6.3M	8.80%	+1.8M (+39.7%)	≤2021	0.0%
Shares held by quarter Peak holding6.3M (Q2'26) Change over 8 quarters+2.1M Share of the company8.800% BlackRock, Inc.'s full portfolio →

Ra Capital Management, L.P.

10.8M

% of company

15.09%

Change vs last qtr

Unchanged

Held since

≤2021

BlackRock, Inc.

6.3M

% of company

8.80%

Change vs last qtr

+1.8M (+39.7%)

Held since

≤2021

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting NKTX on Form N-PORT; together they hold 13.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$4.43M	1.6M	2.19%	0.00%	June 30, 2026
WU Wasatch Ultra Growth Fund Wasatch Funds Trust	$4.21M	1.5M	2.08%	0.91%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$4.43M

% of company

2.19%

% of the fund

0.00%

As of

June 30, 2026

Wasatch Ultra Growth Fund

Wasatch Funds Trust

Position value

$4.21M

% of company

2.08%

% of the fund

0.91%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Nkarta, Inc. 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
MH Mohamad H. Makhzoumi 5%+ holder 13D · 4.9%	3.6M	4.98%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company4.980% Disclosed stake13D · 4.9% View the 13D/G filing →
AA Anthony A. Florence, Jr. 5%+ holder 13D · 4.9%	3.6M	4.98%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company4.980% Disclosed stake13D · 4.9% View the 13D/G filing →

Mohamad H. Makhzoumi

5%+ holder13D · 4.9%

3.6M

% of company

4.98%

Change vs last qtr

—

Held since

—

Anthony A. Florence, Jr.

5%+ holder13D · 4.9%

3.6M

% of company

4.98%

Change vs last qtr

—

Held since

—

16 more holders behind a free account

See every insider and 5%+ holder of Nkarta, Inc..

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