RENAISSANCE TECHNOLOGIES LLC

Position in FSTR — Foster L B Co

CIK 1037389 NEW YORK, NY

Position in FSTR

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$16,096,329

+$7,269,272 QoQ

Shares Held

356,350

+12.6% QoQ

Ownership

3.39%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

of 133 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

RENAISSANCE TECHNOLOGIES LLC holds $120,182,027 across 6 Railroads names. FSTR ranks #3 (13.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	UNP	Union Pacific Corp	221,100	$60,139,200
2	CSX	Csx Corp	634,800	$30,172,044
3	FSTR	Foster L B Co This page	356,350	$16,096,329
4	GBX	Greenbrier Companies Inc	142,800	$6,998,628
5	CNI	Canadian National Railway Co	46,100	$5,496,964
6	RAIL	FreightCar America, Inc.	131,300	$1,278,862

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$16,096,329	356,350	+12.6%	Shares	Sole	2026-08-13
2026-03-31	$8,827,057	316,382	-4.3%	Shares	Sole	2026-05-14
2025-12-31	$8,909,184	330,582	-3.9%	Shares	Sole	2026-02-12
2025-09-30	$9,270,314	343,982	-0.4%	Shares	Sole	2025-11-13
2025-06-30	$7,551,317	345,282	-1.6%	Shares	Sole	2025-08-13
2025-03-31	$6,905,357	350,882	-0.3%	Shares	Sole	2025-05-14
2024-12-31	$9,471,005	352,082	-9.8%	Shares	Sole	2025-02-13
2024-09-30	$7,973,461	390,282	-4.7%	Shares	Sole	2024-11-13
2024-06-30	$8,814,204	409,582	+14.4%	Shares	Sole	2024-08-09
2024-03-31	$9,773,757	357,882	-12.1%	Shares	Sole	2024-05-13
2023-12-31	$8,956,131	407,282	+5.5%	Shares	Sole	2024-02-13
2023-09-30	$7,302,701	386,182	-0.2%	Shares	Sole	2023-11-14
2023-06-30	$5,524,674	386,882	+5.4%	Shares	Sole	2023-08-11
2023-03-31	$4,213,929	367,067	-1.2%	Shares	Sole	2023-05-12
2022-12-31	$3,594,987	371,383	-4.1%	Shares	Sole	2023-02-13
2022-09-30	$3,779,384	387,232	-7.0%	Shares	Sole	2022-11-14
2022-06-30	$5,360,766	416,532	-1.7%	Shares	Sole	2022-08-12
2022-03-31	$6,509,686	423,532	-4.9%	Shares	Sole	2022-05-13
2021-12-31	$6,124,690	445,432	-3.7%	Shares	Sole	2022-02-11
2021-09-30	$7,164,620	462,532	-2.8%	Shares	Sole	2021-11-12
2021-06-30	$8,869,508	475,832	-26.7%	Shares	Sole	2021-08-13
2021-03-31	$11,617,672	649,032	+5.5%	Shares	Sole	2021-05-13
2020-12-31	$9,255,629	614,992	-3.3%	Shares	Sole	2021-02-10
2020-09-30	$8,533,670	635,892	-4.5%	Shares	Sole	2020-11-13
2020-06-30	$8,505,994	666,092	-6.0%	Shares	Sole	2020-08-13
2020-03-31	$8,755,725	708,392	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.