Spire Corp.
13F holders, Q4 2025 (December 31)1holders
1new positions
0sold out
$0.00avg. 13F price*
At the end of Q4 2025, 1 institutions reported holding Spire Corp. in their 13F filings, unchanged from Q2 2025. 1 opened new positions and 0 sold out. The largest holder was Minot DeBlois Advisors LLC ($0).
- Company
- Spire Corp.
- CUSIP
- 848565107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q2 2025 → Q4 2025: 1 shares bought, net +1 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1 holders
| Minot DeBlois Advisors LLC | 0.00% | New | 1 | $0 |
"% of holder's portfolio" is SPIRE CORP's weight in each manager's 13F, not the share of Spire Corp. the manager owns.