Montana Aerospace AGMTASF
13F holders, Q2 2026 (June 30)1holders
0new positions
0sold out
$26.29avg. 13F price*
At the end of Q2 2026, 1 institutions reported holding Montana Aerospace AG (MTASF) in their 13F filings, unchanged from Q1 2026. 0 opened new positions and 0 sold out. The largest holder was ACK Asset Management LLC ($28.5M).
- Company
- Montana Aerospace AG
- Filed as
- AERO-SWX (Q2 2026)
- CUSIP
- H55555108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q1 2026 → Q2 2026: 252,500 shares bought, net +252,500 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1 holders
| ACK Asset Management LLC | 3.32% | Add +30.4% | 1,082,500 | $28.5M |
"% of holder's portfolio" is MTASF's weight in each manager's 13F, not the share of Montana Aerospace AG the manager owns.