FOSTER (LB) CO-A (FSTR): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in FSTR · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
12
13F filers
Aggregate Value
$75.3M
Across holders
Last Price
$37.50
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity10 increased1 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 885K | $40.0M | 53.1% | 0.4% | Reduced | $-723K | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 356K | $16.1M | 21.4% | 0.0% | Added | +$1.8M | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 144K | $6.5M | 8.7% | 0.0% | Added | — | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 73K | $3.3M | 4.4% | 0.0% | Added | +$1.0M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 59K | $2.7M | 3.5% | 0.0% | Added | +$2.2M | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 51K | $2.3M | 3.1% | 0.0% | Added | +$1.6M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 32K | $1.4M | 1.9% | 0.0% | Added | — | Q2 2026 |
| Squarepoint Ops LLC CIK 0001642575 | Hedge Fund | 19K | $862K | 1.1% | 0.0% | Added | — | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 14K | $632K | 0.8% | 0.0% | Added | +$610K | Q2 2026 |
| Point72 Asset Management, L.P. CIK 0001603466 | Hedge Fund | 14K | $611K | 0.8% | 0.0% | Added | — | Q2 2026 |
Reduced
Institutional Manager
$40.0M· 53.1% of total· 0.4% port· 885K sh· $-723K QoQ· Q2 2026
Added
Hedge Fund
$16.1M· 21.4% of total· 0.0% port· 356K sh· +$1.8M QoQ· Q2 2026
Added
Hedge Fund
$6.5M· 8.7% of total· 0.0% port· 144K sh· — QoQ· Q2 2026
Added
Hedge Fund
$3.3M· 4.4% of total· 0.0% port· 73K sh· +$1.0M QoQ· Q2 2026
Added
Hedge Fund
$2.7M· 3.5% of total· 0.0% port· 59K sh· +$2.2M QoQ· Q2 2026
Added
Hedge Fund
$2.3M· 3.1% of total· 0.0% port· 51K sh· +$1.6M QoQ· Q2 2026
Added
Hedge Fund
$1.4M· 1.9% of total· 0.0% port· 32K sh· — QoQ· Q2 2026
Added
Hedge Fund
$862K· 1.1% of total· 0.0% port· 19K sh· — QoQ· Q2 2026
Added
Hedge Fund
$632K· 0.8% of total· 0.0% port· 14K sh· +$610K QoQ· Q2 2026
Added
Hedge Fund
$611K· 0.8% of total· 0.0% port· 14K sh· — QoQ· Q2 2026
Unchanged
Hedge Fund
$516K· 0.7% of total· 0.0% port· 11K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$349K· 0.5% of total· 0.0% port· 8K sh· +$8K QoQ· Q2 2026
1–10 of 12
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