Who owns L.B. Foster (FSTR)
Which tracked institutional funds hold FSTR, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See FSTR company fundamentals →
Ownership as of the 2026-Q2 13F filings (latest filed 2026-09-22). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
The tracked-fund tape on FSTR is one-sided between 2026-Q1 and 2026-Q2: 64 added or opened and 4 trimmed or exited — on balance accumulating.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
FSTR’s largest tracked holder by dollar value, BRANDES INVESTMENT PARTNERS, LP, sizes it at 0.5% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.5pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in FSTR divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2026-Q1 and 2026-Q2, across 129 tracked filers holding FSTR, 79 increased or opened the position and 46 reduced or closed it; over the same quarter, open-market insider Form 4s were net sales.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in FSTR between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 19
- TWO SIGMA INVESTMENTS, LP$7M
- ALGERT GLOBAL LLC$2M
- PANAGORA ASSET MANAGEMENT INC$2M
- LAZARD ASSET MANAGEMENT LLC$2M
- GLOBEFLEX CAPITAL L P$2M
- LOS ANGELES CAPITAL MANAGEMENT LLC$1M
Full exits 4
- 22NW, LP$30M
- ACADIAN ASSET MANAGEMENT LLC$4M
- Ascentis Wealth Management, LLC$687K
- Janney Montgomery Scott LLC$635K
Largest adds
- BRANDES INVESTMENT PARTNERS, LP$23M
- GAMCO INVESTORS, INC. ET AL$15M
- BlackRock, Inc.$14M
- DIMENSIONAL FUND ADVISORS LP$11M
- Hillsdale Investment Management Inc.$9M
- VANGUARD CAPITAL MANAGEMENT LLC$8M
Institutional holders
One row per tracked fund, most shares held first (every row is from one quarter; reported value breaks ties). “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding.
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| BRANDES INVESTMENT PARTNERS, LP trimmed | 1,430,840 | $65M | 18.0% | 2026-Q2 |
| GAMCO INVESTORS, INC. ET AL trimmed | 885,439 | $40M | 11.1% | 2026-Q2 |
| BlackRock, Inc. added | 743,232 | $34M | 9.3% | 2026-Q2 |
| DIMENSIONAL FUND ADVISORS LP trimmed | 677,098 | $31M | 8.5% | 2026-Q2 |
| VANGUARD CAPITAL MANAGEMENT LLC added | 422,980 | $19M | 5.3% | 2026-Q2 |
| RENAISSANCE TECHNOLOGIES LLC added | 356,350 | $16M | 4.5% | 2026-Q2 |
| GEODE CAPITAL MANAGEMENT, LLC added | 246,464 | $11M | 3.1% | 2026-Q2 |
| Hillsdale Investment Management Inc. added | 218,150 | $10M | 2.7% | 2026-Q2 |
| AMERICAN CENTURY COMPANIES INC added | 196,121 | $9M | 2.5% | 2026-Q2 |
| STATE STREET CORP added | 191,768 | $9M | 2.4% | 2026-Q2 |
| TWO SIGMA INVESTMENTS, LP new | 144,194 | $7M | 1.8% | 2026-Q2 |
| GABELLI FUNDS LLC trimmed | 124,600 | $6M | 1.6% | 2026-Q2 |
| Bragg Financial Advisors, Inc trimmed | 113,882 | $5M | 1.4% | 2026-Q2 |
| UBS Group AG added | 108,203 | $5M | 1.4% | 2026-Q2 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC trimmed | 91,157 | $4M | 1.1% | 2026-Q2 |
| Teton Advisors, LLC trimmed | 84,040 | $4M | 1.1% | 2026-Q2 |
| NORTHERN TRUST CORP added | 82,120 | $4M | 1.0% | 2026-Q2 |
| Wealthspire Advisors, LLC | 80,907 | $4M | 1.0% | 2026-Q2 |
| Qube Research & Technologies Ltd added | 73,231 | $3M | 0.9% | 2026-Q2 |
| Minerva Advisors LLC trimmed | 67,922 | $3M | 0.9% | 2026-Q2 |
| VANGUARD PORTFOLIO MANAGEMENT LLC added | 66,408 | $3M | 0.8% | 2026-Q2 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC added | 65,397 | $3M | 0.8% | 2026-Q2 |
| VANGUARD FIDUCIARY TRUST CO added | 63,914 | $3M | 0.8% | 2026-Q2 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added | 58,824 | $3M | 0.7% | 2026-Q2 |
| MORGAN STANLEY added | 54,826 | $2M | 0.7% | 2026-Q2 |
| MARSHALL WACE, LLP added | 51,018 | $2M | 0.6% | 2026-Q2 |
| Russell Investments Group, Ltd. added | 47,831 | $2M | 0.6% | 2026-Q2 |
| LPL Financial LLC added | 44,702 | $2M | 0.6% | 2026-Q2 |
| ALGERT GLOBAL LLC new | 44,189 | $2M | 0.6% | 2026-Q2 |
| PANAGORA ASSET MANAGEMENT INC added | 41,295 | $2M | 0.5% | 2026-Q2 |
| LAZARD ASSET MANAGEMENT LLC added | 40,298 | $2M | 0.5% | 2026-Q2 |
| Assenagon Asset Management S.A. added | 40,176 | $2M | 0.5% | 2026-Q2 |
| MARTINGALE ASSET MANAGEMENT L P added | 38,537 | $2M | 0.5% | 2026-Q2 |
| GOLDMAN SACHS GROUP INC trimmed | 38,461 | $2M | 0.5% | 2026-Q2 |
| Bank of New York Mellon Corp added | 38,279 | $2M | 0.5% | 2026-Q2 |
| GLOBEFLEX CAPITAL L P new | 35,448 | $2M | 0.4% | 2026-Q2 |
| LOS ANGELES CAPITAL MANAGEMENT LLC added | 32,582 | $1M | 0.4% | 2026-Q2 |
| CITADEL ADVISORS LLC added | 31,932 | $1M | 0.4% | 2026-Q2 |
| De Lisle Partners LLP | 30,495 | $1M | 0.4% | 2026-Q2 |
| FMR LLC added | 30,155 | $1M | 0.4% | 2026-Q2 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC added | 28,490 | $1M | 0.4% | 2026-Q2 |
| JACOBS LEVY EQUITY MANAGEMENT, INC added | 27,823 | $1M | 0.3% | 2026-Q2 |
| Informed Momentum Co LLC new | 26,549 | $1M | 0.3% | 2026-Q2 |
| ENVESTNET ASSET MANAGEMENT INC trimmed | 23,783 | $1M | 0.3% | 2026-Q2 |
| JPMORGAN CHASE & CO added | 23,038 | $1M | 0.3% | 2026-Q2 |
| Pitcairn Wealth Advisors LLC trimmed | 22,807 | $1M | 0.3% | 2026-Q2 |
| ROYAL BANK OF CANADA added | 21,832 | $987K | 0.3% | 2026-Q2 |
| SEI INVESTMENTS CO new | 20,416 | $922K | 0.3% | 2026-Q2 |
| Squarepoint Ops LLC new | 19,083 | $862K | 0.2% | 2026-Q2 |
| BNP PARIBAS FINANCIAL MARKETS added | 18,387 | $831K | 0.2% | 2026-Q2 |
| AMERIPRISE FINANCIAL INC trimmed | 18,317 | $827K | 0.2% | 2026-Q2 |
| S SQUARED TECHNOLOGY, LLC new | 18,101 | $818K | 0.2% | 2026-Q2 |
| Empowered Funds, LLC added | 17,797 | $804K | 0.2% | 2026-Q2 |
| STATE OF WISCONSIN INVESTMENT BOARD new | 15,943 | $720K | 0.2% | 2026-Q2 |
| STRS OHIO trimmed | 15,900 | $718K | 0.2% | 2026-Q2 |
| State of Wyoming added | 15,652 | $707K | 0.2% | 2026-Q2 |
| Sanctuary Advisors, LLC added | 15,624 | $706K | 0.2% | 2026-Q2 |
| Spire Wealth Management new | 15,232 | $688K | 0.2% | 2026-Q2 |
| PRUDENTIAL FINANCIAL INC new | 14,650 | $662K | 0.2% | 2026-Q2 |
| Atria Investments, Inc added | 14,409 | $651K | 0.2% | 2026-Q2 |
| AQR CAPITAL MANAGEMENT LLC added | 13,998 | $632K | 0.2% | 2026-Q2 |
| Quadrature Capital Ltd new | 13,741 | $621K | 0.2% | 2026-Q2 |
| Point72 Asset Management, L.P. new | 13,524 | $611K | 0.2% | 2026-Q2 |
| BANK OF AMERICA CORP /DE/ trimmed | 13,217 | $597K | 0.2% | 2026-Q2 |
| Invesco Ltd. added | 13,121 | $593K | 0.2% | 2026-Q2 |
| ZACKS INVESTMENT MANAGEMENT new | 13,084 | $591K | 0.2% | 2026-Q2 |
| Nuveen, LLC trimmed | 12,324 | $557K | 0.2% | 2026-Q2 |
| XTX Topco Ltd new | 11,840 | $535K | 0.1% | 2026-Q2 |
| Ancora Advisors LLC | 11,430 | $516K | 0.1% | 2026-Q2 |
| RHUMBLINE ADVISERS added | 11,247 | $508K | 0.1% | 2026-Q2 |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC added | 11,026 | $498K | 0.1% | 2026-Q2 |
| STIFEL FINANCIAL CORP trimmed | 10,368 | $468K | 0.1% | 2026-Q2 |
| &PARTNERS trimmed | 10,357 | $468K | 0.1% | 2026-Q2 |
| DEUTSCHE BANK AG\ added | 9,645 | $436K | 0.1% | 2026-Q2 |
| Marion Wealth Management | 9,593 | $433K | 0.1% | 2026-Q2 |
| GWN SECURITIES INC. new | 9,565 | $432K | 0.1% | 2026-Q2 |
| RITHOLTZ WEALTH MANAGEMENT trimmed | 8,373 | $378K | 0.1% | 2026-Q2 |
| BARCLAYS PLC trimmed | 8,311 | $375K | 0.1% | 2026-Q2 |
| WELLS FARGO & COMPANY/MN added | 8,281 | $374K | 0.1% | 2026-Q2 |
| OSAIC HOLDINGS, INC. trimmed | 8,262 | $373K | 0.1% | 2026-Q2 |
| Farther Finance Advisors, LLC new | 8,242 | $372K | 0.1% | 2026-Q2 |
| WealthTrust Axiom LLC | 8,100 | $366K | 0.1% | 2026-Q2 |
| PRICE T ROWE ASSOCIATES INC /MD/ added | 7,941 | $359K | 0.1% | 2026-Q2 |
| MILLENNIUM MANAGEMENT LLC added | 7,721 | $349K | 0.1% | 2026-Q2 |
| Orchard Capital Management, LLC | 7,379 | $333K | 0.1% | 2026-Q2 |
| MetLife Investment Management, LLC added | 6,456 | $292K | 0.1% | 2026-Q2 |
| BAILARD, INC. trimmed | 6,183 | $279K | 0.1% | 2026-Q2 |
| Veradace Capital Management LLC new | 6,000 | $271K | 0.1% | 2026-Q2 |
| TWO SIGMA SECURITIES, LLC new | 5,795 | $262K | 0.1% | 2026-Q2 |
| Jump Financial, LLC new | 5,476 | $247K | 0.1% | 2026-Q2 |
| Bristlecone Value Partners, LLC new | 5,194 | $235K | 0.1% | 2026-Q2 |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO added | 5,181 | $234K | 0.1% | 2026-Q2 |
| J.W. COLE ADVISORS, INC. trimmed | 5,125 | $231K | 0.1% | 2026-Q2 |
| CANADA PENSION PLAN INVESTMENT BOARD new | 5,100 | $230K | 0.1% | 2026-Q2 |
| UNITED CAPITAL FINANCIAL ADVISORS, LLC new | 5,000 | $226K | 0.1% | 2026-Q2 |
| Moors & Cabot, Inc. new | 4,971 | $225K | 0.1% | 2026-Q2 |
| CITIGROUP INC added | 4,810 | $217K | 0.1% | 2026-Q2 |
| NEW YORK STATE COMMON RETIREMENT FUND | 4,700 | $212K | 0.1% | 2026-Q2 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. trimmed | 4,553 | $206K | 0.1% | 2026-Q2 |
| Vanguard Global Advisers, LLC | 3,392 | $153K | 0.0% | 2026-Q2 |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.