FSTR
FOSTER (LB) CO-AData as of 2026 Q1 (03-31) · 13F snapshot
Summary
FOSTER (LB) CO-A (FSTR) is held by 3 tracked hedge-fund managers, a combined reported value of ~$9.77M; the largest are Renaissance Technologies, Ken Griffin, Izzy Englander. This quarter: 1 new, 1 trimmed. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · LowThis quarter · Quiet
Gurus holding3
Congress trades0
Price$42.29vs quarter-end+51.58%
Sectors0
This quarter's moves
Top holderRenaissance TechnologiesNew1
Added0
Trimmed / sold1
Value $126.0K— of portfolio6,4002025 Q1
Value $61.0K— of portfolio3,1002025 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $126.0K | — | — |
| Ken GriffinPUT | $61.0K | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.