Montana Aerospace AGMTASF
13F holders, Q1 2026 (March 31)1holders
0new positions
0sold out
$32.30avg. 13F price*
At the end of Q1 2026, 1 institutions reported holding Montana Aerospace AG (MTASF) in their 13F filings, unchanged from Q4 2025. 0 opened new positions and 0 sold out. The largest holder was ACK Asset Management LLC ($26.8M).
- Company
- Montana Aerospace AG
- Filed as
- AERO-SWX (Q1 2026)
- CUSIP
- H55555108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q4 2025 → Q1 2026: 675,149 shares bought, net +675,149 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1 holders
| ACK Asset Management LLC | 3.35% | Add +436.0% | 830,000 | $26.8M |
"% of holder's portfolio" is MTASF's weight in each manager's 13F, not the share of Montana Aerospace AG the manager owns.