Position in ATRO
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$1,436,763
-$23,459,668 QoQ
Shares Held
21,531
-95.3% QoQ
Ownership
0.060%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2023
11 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ATRO Over Time
Shares Held
Position Value (USD)
Position in Aerospace & Defense
Industrials · as of Mar 31, 2026Senator Investment Group LP holds $210,938,652 across 5 Aerospace & Defense names. ATRO ranks #5 (0.7% of the industry book) .
All Filings in ATRO
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11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,436,763 | 21,531 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $24,896,431 | 459,005 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $28,355,463 | 621,694 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $24,811,257 | 741,077 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $17,133,702 | 708,883 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $10,515,772 | 658,883 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $12,925,798 | 663,542 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $10,931,452 | 545,754 | Shares | Sole | 2024-08-20 | |
| 2024-03-31 | $10,391,156 | 545,754 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $8,862,843 | 508,774 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $7,137,000 | 450,000 | Shares | Sole | 2023-11-14 | |
| No filing history on record for this holder in this stock. | ||||||