FOSTER L B CO

FSTRNASDAQ

$37.27+0.91 (+2.50%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

FOSTER L B CO price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+41.4%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Brandes Investment Partners, LP	13.79%	$64.6M	0.45%	Reduce 3.41%
Gamco Investors, Inc. Et Al	8.53%	$40M	0.36%	Not reported
BlackRock, Inc.	7.16%	$33.6M	0.00%	Not reported
Dimensional Fund Advisors LP	6.53%	$30.6M	0.01%	Not reported
Vanguard Capital Management LLC	4.08%	$19.1M	0.00%	Not reported
Renaissance Technologies LLC	3.43%	$16.1M	0.02%	Not reported
Acadian Asset Management LLC	2.58%	$12.1M	0.01%	Not reported
Geode Capital Management, LLC	2.38%	$11.1M	0.00%	Not reported
Hillsdale Investment Management Inc.	2.10%	$9.85M	0.22%	Not reported
American Century Companies Inc	1.89%	$8.86M	0.00%	Not reported
State Street Corp	1.85%	$8.66M	0.00%	Not reported
Two Sigma Investments, LP	1.39%	$6.51M	0.00%	Not reported
Gabelli Funds LLC	1.20%	$5.63M	0.04%	Not reported
Bragg Financial Advisors, Inc	1.10%	$5.14M	0.14%	Not reported
UBS Group AG	1.04%	$4.89M	0.00%	Not reported
Hotchkis & Wiley Capital Management LLC	0.88%	$4.12M	0.01%	Reduce 33.02%
Teton Advisors, LLC	0.81%	$3.8M	2.19%	Reduce 14.80%
Northern Trust Corp	0.79%	$3.71M	0.00%	Not reported
Wealthspire Advisors, LLC	0.78%	$3.65M	0.02%	Not reported
Assenagon Asset Management S.A.	0.77%	$3.63M	0.00%	Not reported
Qube Research & Technologies Ltd	0.71%	$3.31M	0.00%	Not reported
Minerva Advisors LLC	0.65%	$3.07M	1.94%	Reduce 19.11%
Vanguard Portfolio Management LLC	0.64%	$3M	0.00%	Not reported
Bridgeway Capital Management, LLC	0.63%	$2.95M	0.05%	Not reported
Vanguard Fiduciary Trust Co	0.62%	$2.89M	0.00%	Not reported
Arrowstreet Capital, Limited Partnership	0.57%	$2.66M	0.00%	Not reported
Morgan Stanley	0.53%	$2.48M	0.00%	Not reported
Marshall Wace, LLP	0.49%	$2.3M	0.00%	Not reported
Russell Investments Group, Ltd.	0.46%	$2.16M	0.00%	Not reported
LPL Financial LLC	0.43%	$2.02M	0.00%	Not reported
Algert Global LLC	0.43%	$2M	0.02%	Not reported
Panagora Asset Management Inc	0.40%	$1.87M	0.01%	Not reported
Martingale Asset Management L P	0.37%	$1.74M	0.04%	Not reported
Goldman Sachs Group Inc	0.37%	$1.74M	0.00%	Not reported
Bank of New York Mellon Corp	0.37%	$1.73M	0.00%	Not reported
Globeflex Capital L P	0.34%	$1.6M	0.20%	Not reported
Los Angeles Capital Management LLC	0.31%	$1.47M	0.01%	Not reported
Citadel Advisors LLC	0.31%	$1.44M	0.00%	Not reported
De Lisle Partners LLP	0.29%	$1.38M	0.15%	Not reported
FMR LLC	0.29%	$1.36M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.27%	$1.29M	0.00%	Not reported
Jacobs Levy Equity Management, Inc	0.27%	$1.26M	0.00%	Not reported
Informed Momentum Co LLC	0.26%	$1.2M	0.11%	Not reported
Envestnet Asset Management Inc	0.23%	$1.07M	0.00%	Not reported
JPMorgan Chase & Co	0.22%	$1.04M	0.00%	Not reported
Pitcairn Wealth Advisors LLC	0.22%	$1.03M	0.11%	Reduce 28.21%
Royal Bank of Canada	0.21%	$987K	0.00%	Not reported
Sei Investments Co	0.20%	$922K	0.00%	Not reported
Squarepoint Ops LLC	0.18%	$862K	0.00%	Not reported
BNP Paribas Financial Markets	0.18%	$831K	0.00%	Not reported

50 of 125 holders

Activity score

Premium

100

WEAK

STRONG

Unlock

AI Activity Analysis

Premium

Coming soonAI reads of insider, institutional and company activity will appear here for Premium accounts.

Historical Activity Patterns

Premium

Historical Activity PatternsHistorical periods where multiple activity categories converged, with subsequent market performance shown for context.Unlock