Foster L B FSTR Institutional Ownership

NASDAQ FSTR

$36.21 -1.15 (-3.08%)

As of: Sep 30, 2026 · 3:58 PM EDT

Institutions by Trading Activity

135 Institutions

Increased 84 62.2%

Unchanged 20 14.8%

Reduced 31 23.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

79.86%

▲+1.39 pp QoQ

Shares Held by Institutions

8.26Mn

of 10.34Mn outstanding

▲+20.21% QoQ

Shares Outstanding

10.34Mn

2.08Mn held outside 13F filers

Institutional Investors

135

filed 13F for Jun 2026

▲+27 vs prior quarter

Net Shares Added (QoQ)

+1.39Mn

accumulated since last quarter

Value of Holdings

$308.58Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Foster L B Co (NASDAQ:FSTR) appears in 135 institutional 13F filings for the quarter ending June 2026.

Collectively, these holders controlled 79.9% of Foster L B's outstanding shares in June 2026, up from 78.5% in March 2026.
They increased total shares held in Foster L B by 20.21% from the prior quarter, while the number of investors in FSTR increased 46.74% year over year.
Among the 135 funds, 84 bought more Foster L B shares, 31 sold down, and 20 held their ground.
Combined, these investors held 8.26Mn shares in FSTR for June 2026, up by 1.39Mn shares quarter on quarter, and up 245.72K shares year over year.
BRANDES INVESTMENT PARTNERS, LP leads ownership in FSTR with 1.43Mn shares as of June 30, 2026, equal to 13.83% of outstanding shares.
Leading buyers of Foster L B shares for the quarter ending June 2026 were Hillsdale Investment Management Inc. (205.45K), TWO SIGMA INVESTMENTS, LP (144.19K), ACADIAN ASSET MANAGEMENT LLC (137.69K), AMERICAN CENTURY COMPANIES INC (112.55K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (49.62K).
Top sellers of FSTR stock for the quarter ending June 2026 included BRANDES INVESTMENT PARTNERS, LP (50.48K), HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC (44.94K), DIMENSIONAL FUND ADVISORS LP (16.39K), Minerva Advisors LLC (16.04K), GAMCO INVESTORS, INC. ET AL (16.0K).
Per Business Quant, the top 10 investors in FSTR for the quarter ending June 2026 include BRANDES INVESTMENT PARTNERS, LP (1.43Mn), GAMCO INVESTORS, INC. ET AL (885.44K), BlackRock, Inc. (743.23K), DIMENSIONAL FUND ADVISORS LP (677.1K), VANGUARD CAPITAL MANAGEMENT LLC (422.98K), RENAISSANCE TECHNOLOGIES LLC (356.35K), ACADIAN ASSET MANAGEMENT LLC (268.0K), GEODE CAPITAL MANAGEMENT, LLC (246.46K), Hillsdale Investment Management Inc. (218.15K), AMERICAN CENTURY COMPANIES INC (196.12K).

Form 13F Holdings

135 Institutional Holders

Report period 30 Jun, 2026

Total shares held 8.26Mn

Of outstanding 79.86%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BRANDES INVESTMENT PARTNERS, LP	0001015079	1,430,840	13.83%	▼50,483	-3.41%	$64.63Mn
2	GAMCO INVESTORS, INC. ET AL	0000807249	885,439	8.56%	▼16,000	-1.77%	$40.00Mn
3	BlackRock, Inc.	0002012383	743,232	7.19%	▲40,370	+5.74%	$33.57Mn
4	DIMENSIONAL FUND ADVISORS LP	0000354204	677,098	6.55%	▼16,394	-2.36%	$30.58Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	422,980	4.09%	▲38,196	+9.93%	$19.11Mn
6	RENAISSANCE TECHNOLOGIES LLC	0001037389	356,350	3.45%	▲39,968	+12.63%	$16.10Mn
7	ACADIAN ASSET MANAGEMENT LLC	0000916542	267,997	2.59%	▲137,692	+105.67%	$12.10K
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	246,464	2.38%	▲17,753	+7.76%	$11.14Mn
9	Hillsdale Investment Management Inc.	0001368465	218,150	2.11%	▲205,450	+1,617.72%	$9.85Mn
10	AMERICAN CENTURY COMPANIES INC	0000748054	196,121	1.90%	▲112,550	+134.68%	$8.86Mn
11	State Street Corp	0000093751	191,768	1.85%	▲39,217	+25.71%	$8.66Mn
12	TWO SIGMA INVESTMENTS, LP	0001179392	144,194	1.39%	▲144,194	0.00%	$6.51Mn
13	GABELLI FUNDS LLC	0001081407	124,600	1.20%	▼8,436	-6.34%	$5.63Mn
14	Bragg Financial Advisors, Inc	0001327055	113,882	1.10%	▼1	0.00%	$5.14Mn
15	UBS Group AG	0001610520	108,203	1.05%	▲10,037	+10.22%	$4.89Mn
16	HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	0001164833	91,157	0.88%	▼44,940	-33.02%	$4.12Mn
17	Teton Advisors, LLC	0002086025	84,040	0.81%	▼14,601	-14.80%	$3.80Mn
18	Northern Trust Corp	0000073124	82,120	0.79%	▲3,920	+5.01%	$3.71Mn
19	Wealthspire Advisors, LLC	0001646247	80,907	0.78%	0	0.00%	$3.65Mn
20	Qube Research & Technologies Ltd	0001729829	73,231	0.71%	▲22,737	+45.03%	$3.31Mn

Showing 1 to 20 of 135 holders