Vault-13

FOSTER L B CO FSTR

COM · Common Stock · CUSIP 350060109

134 institutional holders +25 vs Q1 2026
8,290,1268.3m shares reported held*
78.8% of all shares outstanding*
$374.5mreported value*
37 new 46 added 31 reduced 10 sold out net bought ≈ $13.9m (+307.5k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($840.8k this quarter). Holder counts are more reliable. Shares outstanding: 10.5m as of 2026-08-03, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $45.17.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 54Q4 22: 56Q1 23: 58Q2 23: 57Q3 23: 60Q4 23: 73Q1 24: 81Q2 24: 84Q3 24: 86Q4 24: 95Q1 25: 88Q2 25: 95Q3 25: 90Q4 25: 95Q1 26: 109Q2 26: 134134Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202254
Q4 202256
Q1 202358
Q2 202357
Q3 202360
Q4 202373
Q1 202481
Q2 202484
Q3 202486
Q4 202495
Q1 202588
Q2 202595
Q3 202590
Q4 202595
Q1 2026109
Q2 2026134

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 24: 41 bought or addedQ3 24: 39 cut or sold outQ4 24: 46 bought or addedQ4 24: 37 cut or sold outQ4 24Q1 25: 35 bought or addedQ1 25: 44 cut or sold outQ2 25: 45 bought or addedQ2 25: 37 cut or sold outQ2 25Q3 25: 33 bought or addedQ3 25: 43 cut or sold outQ4 25: 38 bought or addedQ4 25: 37 cut or sold outQ4 25Q1 26: 43 bought or addedQ1 26: 39 cut or sold outQ2 26: 83 bought or addedQ2 26: 41 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20244139
Q4 20244637
Q1 20253544
Q2 20254537
Q3 20253343
Q4 20253837
Q1 20264339
Q2 20268341

Biggest buyers

Hillsdale Investment Management Inc. Added +205,450+205.4k
TWO SIGMA INVESTMENTS, LP New +144,194+144.2k
ACADIAN ASSET MANAGEMENT LLC Added +137,692+137.7k
AMERICAN CENTURY COMPANIES INC Added +112,550+112.5k
Assenagon Asset Management S.A. Added +52,317+52.3k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Added +49,622+49.6k
ALGERT GLOBAL LLC New +44,189+44.2k
PANAGORA ASSET MANAGEMENT INC New +41,295+41.3k
BlackRock, Inc. Added +40,370+40.4k
LAZARD ASSET MANAGEMENT LLC New +40,298+40.3k

Biggest sellers

22NW, LP Sold out -1,067,186-1.1m
BRANDES INVESTMENT PARTNERS, LP Reduced -50,483-50.5k
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Reduced -44,940-44.9k
Ascentis Wealth Management, LLC Sold out -24,613-24.6k
DIMENSIONAL FUND ADVISORS LP Reduced -16,394-16.4k
Minerva Advisors LLC Reduced -16,043-16.0k
GAMCO INVESTORS, INC. ET AL Reduced -16,000-16.0k
Teton Advisors, LLC Reduced -14,601-14.6k
JANE STREET GROUP, LLC Sold out -12,571-12.6k
Pitcairn Wealth Advisors LLC Reduced -8,963-9.0k

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BRANDES INVESTMENT PARTNERS, LP 13G · institution +1.7 pts · filed 2026-05-14 14.4% +1.7 pts 1.5m≈ $67.0m 2026-05-14

Fell to 5% or below in the last year: 22NW Fund, LP (2.5%, 2026-04-21)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
101Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 1 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20250—0——
Q2 20250—0——
Q3 20250—0——
Q4 20250—1$271.5k—
Q1 20260—0——
Q2 20260—0——
Q3 20260—0——
DateInsiderTradeSharesPrice ValueTheir holding
2026-04-01 22NW Fund, LP +4 10% owner · By: 22NW Fund, LP Sold 38,431 $28.05 $1.1m38.4k shares -4%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BRANDES INVESTMENT PARTNERS, LP 0.45% of their portfolio LA JOLLA, CA 1,430,8401.4m $64.6m $64.6m 0.45% Reduced -50.5k -50,483
2 GAMCO INVESTORS, INC. ET AL 0.36% of their portfolio GREENWICH, CT 885,439885.4k $40.0m $40.0m 0.36% Reduced -16.0k -16,000
3 BlackRock, Inc. 0.00% of their portfolio New York, NY 743,232743.2k $33.6m $33.6m 0.00% Added +40.4k +40,370
4 DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio AUSTIN, TX 677,098677.1k $30.6m $30.6m 0.01% Reduced -16.4k -16,394
5 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 422,980423.0k $19.1m $19.1m 0.00% Added +38.2k +38,196
6 RENAISSANCE TECHNOLOGIES LLC 0.02% of their portfolio NEW YORK, NY 356,350356.4k $16.1m $16.1m 0.02% Added +40.0k +39,968
7 ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio Boston, MA 267,997268.0k $12.1m $12.1m 0.01% Added +137.7k +137,692
8 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 246,464246.5k $11.1m $11.1m 0.00% Added +17.8k +17,753
9 Hillsdale Investment Management Inc. 0.22% of their portfolio Toronto, A6 218,150218.2k $9.9m $9.9m 0.22% Added +205.4k +205,450
10 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 196,121196.1k $8.9m $8.9m 0.00% Added +112.5k +112,550
11 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 191,768191.8k $8.7m $8.7m 0.00% Added +39.2k +39,217
12 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 144,194144.2k $6.5m $6.5m 0.00% New
13 GABELLI FUNDS LLC 0.04% of their portfolio Rye, NY 124,600124.6k $5.6m $5.6m 0.04% Reduced -8.4k -8,436
14 Bragg Financial Advisors, Inc 0.14% of their portfolio CHARLOTTE, NC 113,882113.9k $5.1m $5.1m 0.14% Reduced -1 -1
15 UBS Group AG 0.00% of their portfolio ZURICH, V8 108,203108.2k $4.9m $4.9m 0.00% Added +10.0k +10,037
16 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.01% of their portfolio Los Angeles, CA 91,15791.2k $4.1m $4.1m 0.01% Reduced -44.9k -44,940
17 Teton Advisors, LLC 2.19% of their portfolio GREENWICH, CT 84,04084.0k $3.8m $3.8m 2.19% Reduced -14.6k -14,601
18 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 82,12082.1k $3.7m $3.7m 0.00% Added +3.9k +3,920
19 Wealthspire Advisors, LLC 0.02% of their portfolio NEW YORK, NY 80,90780.9k $3.7m $3.7m 0.02% Unchanged
20 Assenagon Asset Management S.A. 0.00% of their portfolio SENNINGERBERG, N4 80,35280.4k $3.6m $3.6m 0.00% Added +52.3k +52,317
21 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 73,23173.2k $3.3m $3.3m 0.00% Added +22.7k +22,737
22 Minerva Advisors LLC 1.94% of their portfolio BALA CYNWYD, PA 67,92267.9k $3.1m $3.1m 1.94% Reduced -16.0k -16,043
23 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 66,40866.4k $3.0m $3.0m 0.00% Added +9.1k +9,109
24 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.05% of their portfolio HOUSTON, TX 65,39765.4k $3.0m $3.0m 0.05% Added +1.1k +1,132
25 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 63,91463.9k $2.9m $2.9m 0.00% Added +3.4k +3,401
26 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 58,82458.8k $2.7m $2.7m 0.00% Added +49.6k +49,622
27 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 54,82654.8k $2.5m $2.5m 0.00% Added +5.7k +5,741
28 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 51,01851.0k $2.3m $2.3m 0.00% Added +31.3k +31,302
29 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 47,83147.8k $2.2m $2.2m 0.00% Added +29.4k +29,392
30 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 44,70244.7k $2.0m $2.0m 0.00% Added +17.2k +17,198
31 ALGERT GLOBAL LLC 0.02% of their portfolio SAN FRANCISCO, CA 44,18944.2k $2.0m $2.0m 0.02% New
32 PANAGORA ASSET MANAGEMENT INC 0.01% of their portfolio BOSTON, MA 41,29541.3k $1.9m $1.9m 0.01% New
33 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 40,29840.3k $1.8m $1.8m 0.00% New
34 MARTINGALE ASSET MANAGEMENT L P 0.04% of their portfolio BOSTON, MA 38,53738.5k $1.7m $1.7m 0.04% Added +29.4k +29,381
35 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 38,46138.5k $1.7m $1.7m 0.00% Reduced -1.1k -1,137
36 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 38,27938.3k $1.7m $1.7m 0.00% Added +3.4k +3,428
37 GLOBEFLEX CAPITAL L P 0.20% of their portfolio SAN DIEGO, CA 35,44835.4k $1.6m $1.6m 0.20% New
38 LOS ANGELES CAPITAL MANAGEMENT LLC 0.01% of their portfolio LOS ANGELES, CA 32,58232.6k $1.5m $1.5m 0.01% New
39 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 31,93231.9k $1.4m $1.4m 0.00% New
40 De Lisle Partners LLP 0.15% of their portfolio POOLE, X0 30,49530.5k $1.4m $1.4m 0.15% Unchanged
41 FMR LLC 0.00% of their portfolio BOSTON, MA 30,15530.2k $1.4m $1.4m 0.00% Added +2.9k +2,912
42 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 28,49028.5k $1.3m $1.3m 0.00% Added +2.1k +2,068
43 JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio FLORHAM PARK, NJ 27,82327.8k $1.3m $1.3m 0.00% New
44 Informed Momentum Co LLC 0.11% of their portfolio SOLANA BEACH, CA 26,54926.5k $1.2m $1.2m 0.11% New
45 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 23,78323.8k $1.1m $1.1m 0.00% Reduced -2.5k -2,525
46 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 23,03823.0k $1.0m $1.0m 0.00% Added +18.9k +18,889
47 Janney Montgomery Scott LLC 0.00% of their portfolio PHILADELPHIA, PA 22,97923.0k $1.0m $1.0m 0.00% Added +216 +216
48 Pitcairn Wealth Advisors LLC 0.11% of their portfolio CONSHOHOCKEN, PA 22,80722.8k $1.0m $1.0m 0.11% Reduced -9.0k -8,963
49 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 21,83221.8k $987.0k $987.0k 0.00% Added +274 +274
50 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 20,41620.4k $922.2k $922.2k 0.00% New
51 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 19,08319.1k $862.0k $862.0k 0.00% New
52 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 18,38718.4k $830.5k $830.5k 0.00% Added +12.0k +12,035
53 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 18,31718.3k $827.4k $827.4k 0.00% Reduced -4.2k -4,156
54 S SQUARED TECHNOLOGY, LLC 0.25% of their portfolio RYE, NY 18,10118.1k $817.6k $817.6k 0.25% New
55 Empowered Funds, LLC 0.00% of their portfolio NEWTOWN SQUARE, PA 17,79717.8k $803.9k $803.9k 0.00% Added +1.1k +1,132
56 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 15,94315.9k $720.1k $720.1k 0.00% New
57 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 15,90015.9k $718.2k $718.2k 0.00% Reduced -4.2k -4,200
58 State of Wyoming 0.07% of their portfolio CHEYENNE, WY 15,65215.7k $707.0k $707.0k 0.07% Added +10.5k +10,498
59 Sanctuary Advisors, LLC 0.00% of their portfolio INDIANAPOLIS, IN 15,62415.6k $705.7k $705.7k 0.00% Added +7.3k +7,260
60 Spire Wealth Management 0.02% of their portfolio MCLEAN, VA 15,23215.2k $688.0k $688.0k 0.02% New
61 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 14,65014.7k $661.7k $661.7k 0.00% New
62 Atria Investments, Inc 0.01% of their portfolio Charlotte, NC 14,40914.4k $650.9k $650.9k 0.01% Added +2.9k +2,931
63 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 13,99814.0k $632.3k $632.3k 0.00% Added +6.1k +6,061
64 Quadrature Capital Ltd 0.01% of their portfolio LONDON, X0 13,74113.7k $620.7k $620.7k 0.01% New
65 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 13,52413.5k $610.9k $610.9k 0.00% New
66 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 13,21713.2k $597.0k $597.0k 0.00% Reduced -2.7k -2,724
67 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 13,12113.1k $592.7k $592.7k 0.00% Added +787 +787
68 ZACKS INVESTMENT MANAGEMENT 0.00% of their portfolio Chicago, IL 13,08413.1k $591.0k $591.0k 0.00% New
69 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 12,32412.3k $556.7k $556.7k 0.00% Reduced -619 -619
70 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 11,84011.8k $534.8k $534.8k 0.01% New
71 Ancora Advisors LLC 0.01% of their portfolio Cleveland, OH 11,43011.4k $516.3k $516.3k 0.01% Unchanged
72 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 11,24711.2k $508.0k $508.0k 0.00% Added +3.1k +3,140
73 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.00% of their portfolio Stamford, CT 11,02611.0k $498.0k $498.0k 0.00% Added +764 +764
74 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 10,36810.4k $468.3k $468.3k 0.00% Reduced -225 -225
75 &PARTNERS 0.00% of their portfolio NASHVILLE, TN 10,35710.4k $468.3k $468.3k 0.00% Reduced -1.0k -1,048
76 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 9,6459.6k $435.7k $435.7k 0.00% Added +1.4k +1,445
77 Marion Wealth Management 0.09% of their portfolio MONROEVILLE, PA 9,5939.6k $433.3k $433.3k 0.09% Unchanged
78 GWN SECURITIES INC. 0.07% of their portfolio Palm Beach Gardens, FL 9,5659.6k $432.1k $432.1k 0.07% New
79 RITHOLTZ WEALTH MANAGEMENT 0.01% of their portfolio NEW YORK, NY 8,3738.4k $378.2k $378.2k 0.01% Reduced -50 -50
80 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 8,3118.3k $375.4k $375.4k 0.00% Reduced -611 -611
81 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 8,2818.3k $374.0k $374.0k 0.00% Added +4.5k +4,527
82 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 8,2628.3k $373.2k $373.2k 0.00% Reduced -324 -324
83 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 8,2428.2k $372.3k $372.3k 0.00% New
84 WealthTrust Axiom LLC 0.08% of their portfolio WAYNE, PA 8,1008.1k $365.9k $365.9k 0.08% Unchanged
85 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 7,9417.9k $359.0k $359.0k 0.00% Added +329 +329
86 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 7,7217.7k $348.8k $348.8k 0.00% Added +183 +183
87 Orchard Capital Management, LLC 0.37% of their portfolio CHICAGO, IL 7,3797.4k $333.3k $333.3k 0.37% Unchanged
88 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 6,4566.5k $291.6k $291.6k 0.00% Added +760 +760
89 BAILARD, INC. 0.01% of their portfolio Foster City, CA 6,1836.2k $279.3k $279.3k 0.01% Reduced -1.8k -1,817
90 Veradace Capital Management LLC 0.21% of their portfolio DALLAS, TX 6,0006.0k $271.0k $271.0k 0.21% New
91 TWO SIGMA SECURITIES, LLC 0.02% of their portfolio NEW YORK, NY 5,7955.8k $261.8k $261.8k 0.02% New
92 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 5,4765.5k $247.3k $247.3k 0.00% New
93 Bristlecone Value Partners, LLC 0.19% of their portfolio LOS ANGELES, CA 5,1945.2k $234.6k $234.6k 0.19% New
94 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 5,1815.2k $234.0k $234.0k 0.00% Added +4.9k +4,856
95 J.W. COLE ADVISORS, INC. 0.00% of their portfolio TAMPA, FL 5,1255.1k $231.5k $231.5k 0.00% New
96 CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio TORONTO ONTARIO, A6 5,1005.1k $230.4k $230.4k 0.00% New
97 UNITED CAPITAL FINANCIAL ADVISORS, LLC 0.00% of their portfolio IRVING, TX 5,0005.0k $225.8k $225.8k 0.00% New
98 Moors & Cabot, Inc. 0.01% of their portfolio BOSTON, MA 4,9715.0k $224.5k $224.5k 0.01% New
99 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 4,8104.8k $217.3k $217.3k 0.00% Added +2.8k +2,832
100 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 4,7004.7k $212.3k $212.3k 0.00% Unchanged