$YSS

$6.32 +$0.01 (0.16%) Close

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

Ownership

13F as of Q2 2026 · 137.4M shares outstanding

Who owns YSS?

By type of holder

Institutions 47.2% Insiders 52.8% Everyone else 0.0%

Concentration Top 10 holders own 64.4%

BlackRock Portfolio Management LLC 25.0% · BlackRock, Inc. 14.0%

Institutional ownership

47.2%

+2.0 pts vs last qtr

Institutional holders

161

+21 vs last qtr

Net shares bought

+2.8M

by institutions in Q2 2026

New / sold out

59 / 38

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Tema ETFs LLC +1.9M
Tidal Investments LLC NEW +1.8M

Biggest sellers in Q2 2026

Bank of New York Mellon Corp −1.6M
Wellington Management Group LLP −1.2M

Who is planning to sell?

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

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for York Space Systems Inc.

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years0% Under 1 year100%

Quarterly turnover

22.9%

of institutional shares changed hands

Top 10 managers, median time held

1 quarter

Super Investors

Investment managers reporting YSS on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	19.2M	13.99%	+200.3K (+1.1%)	Q1 '26	0.0%
Shares held by quarter Peak holding19.2M (Q2'26) Change over 8 quarters+19.2M Share of the company13.990% BlackRock, Inc.'s full portfolio →
AI Ae Industrial Partners, LP	11.7M	8.54%	+430.1K (+3.8%)	Q1 '26	21.1%
Shares held by quarter Peak holding11.7M (Q2'26) Change over 8 quarters+11.7M Share of the company8.540% Ae Industrial Partners, LP's full portfolio →

BlackRock, Inc.

19.2M

% of company

13.99%

Change vs last qtr

+200.3K (+1.1%)

Held since

Q1 '26

Ae Industrial Partners, LP

11.7M

% of company

8.54%

Change vs last qtr

+430.1K (+3.8%)

Held since

Q1 '26

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting YSS on Form N-PORT; together they hold 11.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
TS Tema Space Innovators ETF Tema ETF Trust	$72.5M	2.2M	1.62%	2.78%	May 31, 2026
SS State Street(R) SPDR(R) S&P(R) Aerospace & Defense ETF SPDR Series Trust	$25.6M	1.0M	0.76%	0.40%	June 30, 2026

Tema Space Innovators ETF

Tema ETF Trust

Position value

$72.5M

% of company

1.62%

% of the fund

2.78%

As of

May 31, 2026

State Street(R) SPDR(R) S&P(R) Aerospace & Defense ETF

SPDR Series Trust

Position value

$25.6M

% of company

0.76%

% of the fund

0.40%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding York Space Systems 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
BP BlackRock Portfolio Management LLC Insider	34.4M	25.02%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company25.020% BlackRock Portfolio Management LLC's insider activity →
WD Wallinger Dirk Insider	11.4M	8.28%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company8.280% Wallinger Dirk's insider activity →

BlackRock Portfolio Management LLC

Insider

34.4M

% of company

25.02%

Change vs last qtr

—

Held since

—

Wallinger Dirk

Insider

11.4M

% of company

8.28%

Change vs last qtr

—

Held since

—

11 more holders behind a free account

See every insider and 5%+ holder of York Space Systems Inc.

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