FOSTER (LB) CO-A (FSTR) Institutional Shareholders
FOSTER (LB) CO-A (FSTR) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $372.75M in FSTR holdings during the latest filing period.
Brandes Investment Partners, Lp is currently the largest disclosed institutional shareholder of FSTR tracked by InsiderSet, reporting ownership valued at approximately $64.63M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $54.04M, representing an estimated loss of -16.38% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 66% of the total disclosed FSTR value among the investors covered in this analysis. Major shareholders include Brandes Investment Partners, Lp, Gamco Investors, Inc. Et Al, Blackrock, Inc., and several other long-term asset managers with concentrated positions in FOSTER (LB) CO-A (FSTR).
This page ranks the largest institutional FSTR shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
134
Total Reported Value
$372.75M
Largest Holder
Brandes Investment Partners, Lp
Largest Position
$64.63M
Insider Transactions (90d)
3
Latest Filing Quarter
Q2 2026
New Institutional Positions
144
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Brandes Investment Partners, Lp | 0.45% | 1,430,840 | $64,631,043 | $54,042,827 | -$10,588,216 | -16.38% | |
| Gamco Investors, Inc. Et Al | 0.36% | 885,439 | $39,995,280 | $33,443,031 | -$6,552,249 | -16.38% | |
| Blackrock, Inc. | 0.00% | 743,232 | $33,571,789 | $28,071,873 | -$5,499,916 | -16.38% | |
| Dimensional Fund Advisors Lp | 0.01% | 677,098 | $30,584,382 | $25,573,991 | -$5,010,391 | -16.38% | |
| Vanguard Capital Management Llc | 0.00% | 422,980 | $19,106,007 | $15,975,955 | -$3,130,052 | -16.38% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 356,350 | $16,096,329 | $13,459,340 | -$2,636,989 | -16.38% |
| Acadian Asset Management Llc | 0.01% | 267,997 | $12,096,000 | $10,122,247 | -$1,973,753 | -16.32% | |
| Geode Capital Management, Llc | 0.00% | 246,464 | $11,135,933 | $9,308,945 | -$1,826,988 | -16.41% | |
| Hillsdale Investment Management Inc. | 0.22% | 218,150 | $9,853,836 | $8,239,526 | -$1,614,310 | -16.38% | |
| American Century Companies Inc | 0.00% | 196,121 | $8,858,786 | $7,407,490 | -$1,451,296 | -16.38% | |
| State Street Corp | 0.00% | 191,768 | $8,662,161 | $7,243,077 | -$1,419,084 | -16.38% | |
| Two Sigma Investments, Lp | 0.00% | 144,194 | $6,513,243 | $5,446,207 | -$1,067,036 | -16.38% | |
| Gabelli Funds Llc | 0.04% | 124,600 | $5,628,182 | $4,706,142 | -$922,040 | -16.38% | |
| Bragg Financial Advisors, Inc | 0.14% | 113,882 | $5,144,050 | $4,301,323 | -$842,727 | -16.38% | |
| Ubs Group Ag | 0.00% | 108,203 | $4,887,529 | $4,086,827 | -$800,702 | -16.38% | |
| Hotchkis & Wiley Capital Management Llc | 0.01% | 91,157 | $4,117,562 | $3,443,000 | -$674,562 | -16.38% | |
| Teton Advisors, Llc | 2.19% | 84,040 | $3,796,087 | $3,174,191 | -$621,896 | -16.38% | |
| Northern Trust Corp | 0.00% | 82,120 | $3,709,360 | $3,101,672 | -$607,688 | -16.38% | |
| Wealthspire Advisors, Llc | 0.02% | 80,907 | $3,654,570 | $3,055,857 | -$598,713 | -16.38% | |
| Qube Research & Technologies Ltd | 0.00% | 73,231 | $3,307,844 | $2,765,935 | -$541,909 | -16.38% | |
| Vanguard Portfolio Management Llc | 0.00% | 66,408 | $2,999,649 | $2,508,230 | -$491,419 | -16.38% | |
| Bridgeway Capital Management, Llc | 0.05% | 65,397 | $2,953,982 | $2,470,045 | -$483,937 | -16.38% | |
| Vanguard Fiduciary Trust Co | 0.00% | 63,914 | $2,886,995 | $2,414,032 | -$472,963 | -16.38% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 58,824 | $2,657,080 | $2,221,782 | -$435,298 | -16.38% | |
| Morgan Stanley | 0.00% | 54,826 | $2,476,494 | $2,070,778 | -$405,716 | -16.38% | |
| Minerva Advisors Llc | 1.51% | 83,965 | $2,342,623 | $3,171,358 | +$828,735 | +35.38% | |
| Marshall Wace, Llp | 0.00% | 51,018 | $2,304,483 | $1,926,950 | -$377,533 | -16.38% | |
| Russell Investments Group, Ltd. | 0.00% | 47,831 | $2,160,557 | $1,806,577 | -$353,980 | -16.38% | |
| Lpl Financial Llc | 0.00% | 44,702 | $2,019,189 | $1,688,395 | -$330,794 | -16.38% | |
| Algert Global Llc | 0.02% | 44,189 | $1,996,017 | $1,669,019 | -$326,998 | -16.38% | |
| Panagora Asset Management Inc | 0.01% | 41,295 | $1,865,295 | $1,559,712 | -$305,583 | -16.38% | |
| Lazard Asset Management Llc | 0.00% | 40,298 | $1,820,261 | $1,522,055 | -$298,206 | -16.38% | |
| Assenagon Asset Management S.A. | 0.00% | 40,176 | $1,814,750 | $1,517,448 | -$297,302 | -16.38% | |
| Martingale Asset Management L P | 0.04% | 38,537 | $1,740,717 | $1,455,542 | -$285,175 | -16.38% | |
| Goldman Sachs Group Inc | 0.00% | 38,461 | $1,737,283 | $1,452,672 | -$284,611 | -16.38% | |
| Bank Of New York Mellon Corp | 0.00% | 38,279 | $1,729,065 | $1,445,798 | -$283,267 | -16.38% | |
| Globeflex Capital L P | 0.20% | 35,448 | $1,601,186 | $1,338,871 | -$262,315 | -16.38% | |
| Los Angeles Capital Management Llc | 0.01% | 32,582 | $1,471,730 | $1,230,622 | -$241,108 | -16.38% | |
| Citadel Advisors Llc | 0.00% | 31,932 | $1,442,368 | $1,206,072 | -$236,296 | -16.38% | |
| De Lisle Partners Llp | 0.15% | 30,495 | $1,378,351 | $1,151,796 | -$226,555 | -16.44% | |
| Fmr Llc | 0.00% | 30,155 | $1,362,112 | $1,138,954 | -$223,158 | -16.38% | |
| Charles Schwab Investment Management Inc | 0.00% | 28,490 | $1,286,893 | $1,076,067 | -$210,826 | -16.38% | |
| Jacobs Levy Equity Management, Inc | 0.00% | 27,823 | $1,256,765 | $1,050,875 | -$205,890 | -16.38% | |
| Informed Momentum Co Llc | 0.11% | 26,549 | $1,199,218 | $1,002,756 | -$196,462 | -16.38% | |
| Envestnet Asset Management Inc | 0.00% | 23,783 | $1,074,278 | $898,284 | -$175,994 | -16.38% | |
| Janney Montgomery Scott Llc | 0.00% | 22,979 | $1,038,000 | $867,917 | -$170,083 | -16.39% | |
| Jpmorgan Chase & Co | 0.00% | 23,038 | $1,035,328 | $870,145 | -$165,183 | -15.95% | |
| Pitcairn Wealth Advisors Llc | 0.11% | 22,807 | $1,030,192 | $861,420 | -$168,772 | -16.38% | |
| Royal Bank Of Canada | 0.00% | 21,832 | $987,000 | $824,595 | -$162,405 | -16.45% | |
| Sei Investments Co | 0.00% | 20,416 | $922,191 | $771,112 | -$151,079 | -16.38% |
Frequently asked questions about FSTR
Who owns the most FSTR stock?
The largest holders of FSTR are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for FOSTER (LB) CO-A (FSTR).
Is FSTR widely held by superinvestors?
Many widely followed stocks like FSTR appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly FSTR is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.