YSS · Insider trading · 13F holders · Congress trades
York Space Systems Inc. (YSS)
Who is buying and selling YSS: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 4
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $15.3M
- Congress trades, 12 months
- 0
YSS at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 YSS insider filed 3 sales worth $15.3M on SEC Form 4, and no open-market purchases.
- 4 13F filers hold YSS among their 50 largest positions, worth $23.8M combined. The biggest bets by portfolio weight are Stenham Asset Management Ltd (2.0%), Resolute Capital Asset Partners LLC (1.9%) and Burkehill Global Management, LP (0.6%).
- No member of Congress has disclosed a trade in YSS.
- YSS last closed at $6.99 on Oct 29, 2026.
YSS insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 YSS insider filed 3 sales worth $15.3M on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 10, 2026 | BlackRock Portfolio Management LLC | 10% Owner | Sale | 401,674 | $11.30 | $4.5M | SEC |
| Aug 6, 2026 | BlackRock Portfolio Management LLC | 10% Owner | Sale | 661,999 | $15.14 | $10.0M | SEC |
| Aug 4, 2026 | BlackRock Portfolio Management LLC | 10% Owner | Sale | 49,328 | $15.11 | $745K | SEC |
Who owns YSS? Hedge funds and superinvestors
4 13F filers hold YSS among their 50 largest positions, worth $23.8M combined. The biggest bets by portfolio weight are Stenham Asset Management Ltd (2.0%), Resolute Capital Asset Partners LLC (1.9%) and Burkehill Global Management, LP (0.6%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Burkehill Global Management, LPHedge fund | 0.6% | $16.5M | 668,705 | +0.0% shares | Q2 2026 |
| Resolute Capital Asset Partners LLCHedge fund | 1.9% | $4.5M | 184,206 | -9.8% shares | Q2 2026 |
| Stenham Asset Management LtdHedge fund | 2.0% | $2.7M | 110,651 | +0.0% shares | Q2 2026 |
| Caz Investments LPHedge fund | 0.0% | $37K | 1,500 | -75.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 4). Screen YSS in the grand portfolio →
YSS stock trades by members of Congress
No member of Congress has disclosed a trade in YSS.
YSS questions and answers
Are insiders buying YSS stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 YSS insider filed 3 sales worth $15.3M on SEC Form 4, and no open-market purchases.
Which hedge funds own YSS?
4 13F filers hold YSS among their 50 largest positions, worth $23.8M combined. The biggest bets by portfolio weight are Stenham Asset Management Ltd (2.0%), Resolute Capital Asset Partners LLC (1.9%) and Burkehill Global Management, LP (0.6%).
Has Congress traded YSS?
No member of Congress has disclosed a trade in YSS.
Who is the largest holder of YSS?
Among 13F filers, Burkehill Global Management, LP reports the largest YSS position, $16.5M (668,705 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Stenham Asset Management Ltd's: 2.0% of its portfolio.
Cite or share this
Free to use with a link back. The data updates every filing day.