FOSTER L B CO (FSTR): Institutional Ownership
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
9
13F filers
Aggregate Value
$37.2M
Across holders
Last Price
$44.77
2026-06-26
Sector
Industrials
GICS
Holder activity3 new1 added5 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 901K | $25.2M | 67.7% | 0.2% | Reduced | $-465K | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 316K | $8.8M | 23.7% | 0.0% | Reduced | $-396K | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 50K | $1.4M | 3.8% | 0.0% | Added | +$434K | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 20K | $550K | 1.5% | 0.0% | Reduced | $-668K | Q3 2025 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 17K | $473K | 1.3% | 0.0% | New | — | Q1 2024 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 13K | $355K | 1.0% | 0.0% | New | — | Q1 2024 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 11K | $319K | 0.9% | 0.0% | Reduced | $-11K | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 3K | $86K | 0.2% | 0.0% | New | — | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 8 | $223 | 0.0% | 0.0% | Reduced | $-920 | Q1 2026 |
Reduced
Institutional Manager
$25.2M· 67.7% of total· 0.2% port· 901K sh· $-465K QoQ· Q1 2026
Reduced
Hedge Fund
$8.8M· 23.7% of total· 0.0% port· 316K sh· $-396K QoQ· Q1 2026
Added
Hedge Fund
$1.4M· 3.8% of total· 0.0% port· 50K sh· +$434K QoQ· Q1 2026
Reduced
Hedge Fund
$550K· 1.5% of total· 0.0% port· 20K sh· $-668K QoQ· Q3 2025
New
Hedge Fund
$473K· 1.3% of total· 0.0% port· 17K sh· — QoQ· Q1 2024
New
Hedge Fund
$355K· 1.0% of total· 0.0% port· 13K sh· — QoQ· Q1 2024
Reduced
Hedge Fund
$319K· 0.9% of total· 0.0% port· 11K sh· $-11K QoQ· Q1 2026
New
Hedge Fund
$86K· 0.2% of total· 0.0% port· 3K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$223· 0.0% of total· 0.0% port· 8 sh· $-920 QoQ· Q1 2026