Latest Period
Q1 2026
Security Snapshot
York Space Systems Inc. - Common Stock, par value $0.0001 per share (YSS) Institutional Ownership
CUSIP: 987084100
13F Institutional Holders and Ownership History for Q1 2026
Institutions Reporting
140
Shares (Excl. Options)
62,056,950
Price
$22.17
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- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- YSS on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 62,056,950
- Total 13F value
- $1,376,269,884
- Portfolio coverage rank
- 0%
- Share change
- +60,289,248
- Value change
- +$1,337,079,931
- Number of holders
- 140
- Shares outstanding
- 129,867,360
- SEC-reported price per share
- $28.24
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- YSS - York Space Systems Inc. - Common Stock, par value $0.0001 per share is tracked under CUSIP 987084100.
- 140 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Latest quarter on this page is Q1 2026.
- Additional quarter-over-quarter change detail appears as history expands.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 140 institutions filings for Q1 2026.
Security key
987084100
Latest holder period
Q1 2026
13F holders
140
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
YSS full holder history
York Space Systems Inc. SEC filings
York Space Systems Inc. company facts
York Space Systems Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 987084100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
YSS
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| AEROEQUITY GP, LLC | 23% | $1,006,133,652 | 30,196,088 | AeroEquity GP, LLC | 31 Mar 2026 | |||
| Wallinger Dirk | 8.6% | $372,137,519 | 11,168,593 | Dirk Wallinger | 31 Mar 2026 |
As of 31 Mar 2026, 140 institutional investors reported holding 62,056,950 shares of York Space Systems Inc. - Common Stock, par value $0.0001 per share (YSS). This represents 48% of the company’s total 129,867,360 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
40%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | 19,012,439 | 0.01% | $421,505,769 | |
| AE INDUSTRIAL PARTNERS, LP | 8.7% | 11,297,923 | 15% | $250,474,954 | |
| Allianz Asset Management GmbH | 2.1% | 2,726,783 | 0.07% | $60,452,779 | |
| Bank of New York Mellon Corp | 1.3% | 1,680,305 | 0.01% | $37,252,362 | |
| Clearbridge Investments, LLC | 1% | 1,345,454 | 0.03% | $29,828,709 | |
| WELLINGTON MANAGEMENT GROUP LLP | 1% | 1,326,953 | 0.01% | $29,418,549 | |
| VOYA INVESTMENT MANAGEMENT LLC | 0.83% | 1,077,610 | 0.02% | $23,890,614 | |
| UBS Group AG | 0.81% | 1,053,844 | 0% | $23,363,722 | |
| Hood River Capital Management LLC | 0.76% | 988,510 | 0.22% | $21,915,267 | |
| Granahan Investment Management, LLC | 0.75% | 967,610 | 1% | $21,451,914 | |
| CITADEL ADVISORS LLC | 0.73% | 947,893 | 0.01% | $21,014,788 | |
| VANGUARD CAPITAL MANAGEMENT LLC | 0.65% | 839,464 | 0% | 0% | $18,610,917 |
| LORD, ABBETT & CO. LLC | 0.63% | 817,976 | 0.06% | $18,135,000 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.61% | 787,414 | 0% | 0% | $17,456,968 |
| Allspring Global Investments Holdings, LLC | 0.56% | 732,251 | 0.03% | $17,281,123 | |
| Artisan Partners Limited Partnership | 0.54% | 705,746 | 0.03% | $15,646,389 | |
| Burkehill Global Management, LP | 0.51% | 668,705 | 0.74% | $14,825,190 | |
| ArrowMark Colorado Holdings LLC | 0.5% | 648,504 | 0.38% | $14,377,334 | |
| AMERIPRISE FINANCIAL INC | 0.48% | 622,896 | 0% | $13,809,657 | |
| Daiwa Securities Group Inc. | 0.48% | 622,792 | 0.04% | $13,807,299 | |
| ExodusPoint Capital Management, LP | 0.46% | 593,122 | 0.13% | $13,149,515 | |
| Stephens Investment Management Group LLC | 0.44% | 571,847 | 0.17% | $12,677,848 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.4% | 518,343 | 0% | $11,491,664 | |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 0.37% | 485,456 | 0.01% | $10,213,994 | |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | 0.35% | 456,924 | 0.23% | $10,130,038 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
1
Latest
Q1 2026
Rows shown
1-1 of 1
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 62,056,950 | $1,376,269,884 | +$1,337,079,931 | $22.17 | 140 |