Ticker · CUSIP 33938T104
Holders (tracked)
2
Combined shares
368,019
Combined value
$2.47M
Last close
$6.29
Quarter
2025Q4
Price · 1Y$6.29+2.60 (+70.27%)H $11.25 · L $3.50 · Avg Vol 42K
Position opened
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is -6.5% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
5 events
- +34,825 shares · 2025Q4Position
- Two Sigma Investments exited2026-02-17−13,078 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−17,051 shares · 2025Q4Position
- Two Sigma Investments trimmed2025-11-14−3,645 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−36,197 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of FSI…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Renaissance Technologies | 2016Q1 | $2.74 | +130.0% | $2.1M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $3.96 | +58.7% | $219K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Ken Griffin (Citadel Advisors)+34,825$234K
Added to0
—
Trimmed1
- Renaissance Technologies−17,051$115K
Exited1
- Two Sigma Investments−13,078$126K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 2 | $1.8M |
| 2022Q2 | 2 | $1.1M |
| 2022Q3 | 2 | $731K |
| 2022Q4 | 2 | $1.3M |
| 2023Q1 | 2 | $1.3M |
| 2023Q2 | 3 | $1.2M |
| 2023Q3 | 3 | $1.1M |
| 2023Q4 | 2 | $753K |
| 2024Q1 | 3 | $755K |
| 2024Q2 | 2 | $675K |
| 2024Q3 | 2 | $1.4M |
| 2024Q4 | 2 | $1.5M |
| 2025Q1 | 3 | $2.2M |
| 2025Q2 | 3 | $2.1M |
| 2025Q3 | 2 | $3.5M |
| 2025Q4 | 2 | $2.5M |
Who owns FSI
2 super-investors · 2025Q4
Tracked stake
368.0K
shares
Combined value
$2M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 333.2K | $2M |
| 2 | Ken Griffin Citadel Advisors | 34.8K | $234K |
Recent moves
20 transactions
- +34,825 · 2025Q4
- −13,078 · 2025Q4
- −17,051 · 2025Q4
- −3,645 · 2025Q3
- −36,197 · 2025Q3
- +4,299 · 2025Q2
- −4,203 · 2025Q2
- +12,424 · 2025Q1
- +1,200 · 2025Q1
- +20,000 · 2024Q4
- −9,800 · 2024Q3
- TRIMBlackRock−11,005 · 2024Q2
- +17,400 · 2024Q2
- −14,600 · 2024Q1
- TRIMBlackRock−424 · 2024Q1
- TRIMBlackRock−212 · 2023Q4
- −3,800 · 2023Q4
- −12,800 · 2023Q3
- TRIMBlackRock−742 · 2023Q3
- −6,502 · 2023Q2
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