Ticker · CUSIP 358010106
Holders (tracked)
5
Combined shares
342,822
Combined value
$18.46M
Last close
$57.10
Quarter
2025Q4
Price · 1Y$57.10+39.82 (+230.44%)H $60.29 · L $16.57 · Avg Vol 259K
Position opened
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +6.1% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
9 events
- Ken Griffin (Citadel Advisors) exited2026-02-17−30,569 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−60,835 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−52,914 shares · 2025Q4Position
- T. Rowe Price opened position2026-02-17+4,223 shares · 2025Q4Position
- AQR Capital Management opened position2026-02-17+3,724 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−44,100 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+109,776 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+89,698 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−49,000 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of FEIM…
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 | $10.68 | +434.5% | $9.8M |
| Two Sigma Investments | 2024Q3 | $27.30 | +109.1% | $4.5M |
| Izzy Englander (Millennium Mgmt) | 2020Q2 | $30.12 | +89.6% | $4.8M |
| AQR Capital Management | 2025Q4 | $53.84 | +6.1% | $213K |
| T. Rowe Price | 2025Q4 | $53.99 | +5.8% | $241K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- AQR Capital Management+3,724$201K
- T. Rowe Price+4,223$228
Added to0
—
Trimmed3
- Two Sigma Investments−60,835$3.3M
- Izzy Englander (Millennium Mgmt)−52,914$2.8M
- Renaissance Technologies−44,100$2.4M
Exited1
- Ken Griffin (Citadel Advisors)−30,569$1.0M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 2 | $3.6M |
| 2022Q2 | 2 | $2.9M |
| 2022Q3 | 2 | $2.2M |
| 2022Q4 | 2 | $2.5M |
| 2023Q1 | 3 | $2.5M |
| 2023Q2 | 2 | $2.4M |
| 2023Q3 | 2 | $2.5M |
| 2023Q4 | 2 | $4.5M |
| 2024Q1 | 2 | $4.5M |
| 2024Q2 | 3 | $3.8M |
| 2024Q3 | 3 | $4.5M |
| 2024Q4 | 4 | $8.3M |
| 2025Q1 | 4 | $8.9M |
| 2025Q2 | 4 | $8.6M |
| 2025Q3 | 4 | $17.7M |
| 2025Q4 | 5 | $18.5M |
Who owns FEIM
5 super-investors · 2025Q4
Tracked stake
342.8K
shares
Combined value
$18M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 172.0K | $9M |
| 2 | Izzy Englander Millennium Mgmt | 84.1K | $5M |
| 3 | Two Sigma Investments | 78.9K | $4M |
| 4 | T. Rowe Price | 4.2K | $228K |
| 5 | AQR Capital Management | 3.7K | $201K |
Recent moves
20 transactions
- −30,569 · 2025Q4
- −60,835 · 2025Q4
- +3,724 · 2025Q4
- +4,223 · 2025Q4
- −52,914 · 2025Q4
- −44,100 · 2025Q4
- +109,776 · 2025Q3
- +89,698 · 2025Q3
- −49,000 · 2025Q3
- −105,875 · 2025Q2
- −14,993 · 2025Q2
- −52,500 · 2025Q2
- +103,453 · 2025Q1
- −6,662 · 2025Q1
- +10,458 · 2025Q1
- +8,116 · 2024Q4
- +37,438 · 2024Q4
- −7,558 · 2024Q4
- +21,506 · 2024Q3
- +34,206 · 2024Q3
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