JATT JATT II Acquisition Corp.: institutional ownership and insider trading
26 funds reported holding $61.9M of JATT II Acquisition Corp. in their latest 13F filings; in Q2 2026 funds net bought $56.1M, with 24 new positions and 0 funds selling out; over the last 12 months insiders bought $0 and sold $0 on the open market.
JATT revenue and earnings
- Quarter ended Jun 30, 2026: revenue n/a, net income −$306K
- Quarter ended Mar 31, 2026: revenue n/a, net income −$68.8K, EPS -0.05
Famous investors holding JATT
- Ken Griffin (Citadel Advisors): $3.64M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $1.81M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $1.09M, 0.0% of the portfolio
Largest institutional holders of JATT
- GREAT POINT PARTNERS LLC — $5.68M
- RA CAPITAL MANAGEMENT, L.P. — $5.68M
- BALYASNY ASSET MANAGEMENT L.P. — $5.68M
- Jupiter Topco LLC — $5.65M
- ADAR1 Capital Management, LLC — $4.75M
- FRANKLIN RESOURCES INC (BEN) — $4.54M
- Atika Capital Management LLC — $4.54M
- CITADEL ADVISORS LLC — $3.64M
- FARALLON CAPITAL MANAGEMENT, L.L.C. — $3.41M
- BRAIDWELL LP — $2.84M
Recent JATT insider trades
- Apr 20, 2026: JATT Ventures II L.P. bought 300,000 shares ($0)
- Apr 20, 2026: Sidhu Someit bought 300,000 shares ($0)
5%+ owners
- JATT Ventures II L.P.: 23.1% (Schedule 13D/A, filed Sep 18, 2026)
- RA Capital Management, L.P.: 6.4% (Schedule 13G, filed Apr 27, 2026)
- BALYASNY ASSET MANAGEMENT L.P.: 6.2% (Schedule 13G, filed Aug 14, 2026)
- Great Point Partners, LLC: 6.2% (Schedule 13G/A, filed Aug 14, 2026)
- JANUS HENDERSON GROUP Ltd.: 6.2% (Schedule 13G, filed Aug 13, 2026)
- ADAR1 Capital Management, LLC: 5.4% (Schedule 13G, filed Aug 14, 2026)
Who owns the most JATT stock?
The largest institutional holders of JATT II Acquisition Corp. in the latest 13F filings are GREAT POINT PARTNERS LLC ($5.68M), RA CAPITAL MANAGEMENT, L.P. ($5.68M), BALYASNY ASSET MANAGEMENT L.P. ($5.68M).
Are insiders buying or selling JATT?
No open-market insider buys or sells of JATT II Acquisition Corp. were reported in the last 12 months.
Which famous investors own JATT?
Ken Griffin, Izzy Englander, Two Sigma.