T3 Defense Inc.
DFNS- Exchange
- Nasdaq
- Industry
- Services-Management Consulting Services
- SEC CIK
- 0001787518
No open-market purchases or sales by T3 Defense Inc. insiders were filed in the last 90 days; 29 institutions reported holding it in 13F filings for Q2 2026, worth $1.18M in total; no superinvestor holds it.
Other share classesDFNSW
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, 0 vs. previous quarter
- 29
- 13F valueReported value at the end of Q2 2026
- $1.18M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding DFNS, Q2 2026
No superinvestor reported holding DFNS at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by T3 Defense Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 (view filing) | Dec 29-30 | 2 days | Kotaieva AnastasiiaOther: See Remarks below | SSaleCommon Stock, $0.0001 par value per share | −150.0K | $4.06 | −$609.0K | −100.0%0 after | 2 lots |
| Dec 31, 2025 (view filing) | Dec 22-26 | 9 daysLate | Kotaieva AnastasiiaOther: See Remarks below | SSaleCommon Stock, $0.0001 par value per share | −211.2K | $4.44 | −$938.7K | −15.5%1.15M after | 4 lots |
| Dec 22, 2025 (view filing) | Dec 18-19 | 4 days | Kotaieva AnastasiiaOther: See remarks | SSaleCommon Stock, $0.0001 par value per share | −108.7K | $4.60 | −$500.0K | −7.4%1.36M after | 2 lots |
| Oct 10, 2025 (view filing) | Oct 8-9 | 2 days | Kotaieva AnastasiiaDirector, 10% Owner | PPurchaseCommon Stock, $0.0001 par value per share | +1.38M | – | – | +293.1%1.85M after | 3 lots |
| Oct 10, 2025 (view filing) | Oct 7 | 3 daysLate | Kotaieva AnastasiiaDirector, 10% Owner | PPurchaseCommon | +1.00M | $0.00 | $0 | –1.50M after | Derivative |
| Dec 23, 2024 (view filing) | Nov 8 | 45 days | Kotaieva AnastasiiaChief Executive Officer | PPurchaseCommon Stock, $0.0001 par value per share | +320.0K | $2.41 | +$771.1K | New position320.0K after | Amended |
| Dec 23, 2024 (view filing) | Nov 8 | 45 days | Kotaieva AnastasiiaChief Executive Officer | PPurchaseWarrant | +351.4K | $2.41 | +$846.9K | –351.4K after | AmendedDerivative |
Top 10 13F holders, Q2 2026
The largest institutional positions in T3 Defense Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 2,367,483 | $404.8K | 0.00% | +1,720,453+265.9% | Added |
| Jane Street Group, LLC | 1,072,718 | $183.4K | 0.00% | +1,041,395+3,324.7% | Added |
| Y.D. More Investments Ltd | 2,711 | $155.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 620,678 | $106.1K | 0.00% | +141,401+29.5% | Added |
| BlackRock, Inc. | 479,938 | $82.1K | 0.00% | −53,325−10.0% | Reduced |
| JustInvest LLC | 338,041 | $57.8K | 0.00% | +321,330+1,922.9% | Added |
| Geode Capital Management, LLC | 287,972 | $49.3K | 0.00% | +34,309+13.5% | Added |
| Vanguard Fiduciary Trust Co | 281,851 | $48.2K | 0.00% | +214,198+316.6% | Added |
| XTX Topco Ltd | 98,989 | $16.9K | 0.00% | +98,989 | New |
| State Street Corp | 93,263 | $15.9K | 0.00% | +50,000+115.6% | Added |