Security key
987084100
York Space Systems Inc. - Common Stock, par value $0.0001 (YSS)
CUSIP: 987084100
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common Stock, par value $0.0001
- Total 13F shares
- 1,135,384
- Total 13F value
- $9,820,896
- Share change
- -821,906
- SEC-reported price per share
- $8.65
- Number of holders
- 12
- Value change
- -$7,830,572
- Number of buys
- 8
- Number of sells
- 8
- Shares outstanding
- 137,377,245
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
12
Top holders
10
YSS full security history
Ownership snapshot
Full 13F holder table
York Space Systems Inc. SEC filings
York Space Systems Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 987084100
Recent filing periods:
Ownership snapshot
Top reported holders of YSS - York Space Systems Inc. - Common Stock, par value $0.0001 (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
AEROEQUITY GP, LLC
Disclosed value leader
AEROEQUITY GP, LLC
Comparable rows
15/15
Latest evidence
06 Aug 2026
3/4/5
13D/G
13F
Lead comparable stake: 24%
13D/G row: AEROEQUITY GP, LLC
Showing 1-6 of 15 holder rows.
Quick read
AEROEQUITY GP, LLC leads the comparable SEC ownership view at 24%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens AEROEQUITY GP, LLC's linked filing trail.
Comparable ownership
Top 5
AEROEQUITY GP, LLC
24%
Dirk Wallinger
8.6%
David H. Rowe
24%
Michael R. Greene
24%
BlackRock Portfolio Management LLC
12%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| AEROEQUITY GP, LLC |
3/4/5
13D/G
10%+ Owner
|
24%
from 13D/G
|
$810,335,694
32,915,588 shares
|
— | 08 Jul 2026 |
| Dirk Wallinger |
13D/G
3/4/5
Chief Executive Officer, Director
|
8.6%
|
$372,137,519
11,168,593 shares
|
$0 | 31 Mar 2026 |
| David H. Rowe |
3/4/5
10%+ Owner
|
24%
|
$810,335,694
32,915,588 shares
|
— | 08 Jul 2026 |
| Michael R. Greene |
3/4/5
10%+ Owner
|
24%
|
$810,335,694
32,915,588 shares
|
— | 08 Jul 2026 |
| BlackRock Portfolio Management LLC |
3/4/5
10%+ Owner
|
12%
|
$181,523,093
16,517,115 shares
|
-$18,611,082 | 06 Aug 2026 |
| BlackRock, Inc. |
13F
Company
|
14%
|
$473,016,402
19,212,689 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
12
Shares
1,135,384
Rows available
12
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
160
Q3 2026 holders
12
Holder diff
-148
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend