FERROGLOBE PLC (GSM) Institutional Shareholders
FERROGLOBE PLC (GSM) 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 $335.48M in GSM holdings during the latest filing period.
Cooper Creek Partners Management Llc is currently the largest disclosed institutional shareholder of GSM tracked by InsiderSet, reporting ownership valued at approximately $43.30M 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 $58.82M, representing an estimated gain of +35.85% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 57% of the total disclosed GSM value among the investors covered in this analysis. Major shareholders include Cooper Creek Partners Management Llc, Hosking Partners Llp, Donald Smith & Co., and several other long-term asset managers with concentrated positions in FERROGLOBE PLC (GSM).
This page ranks the largest institutional GSM 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
171
Total Reported Value
$335.48M
Largest Holder
Cooper Creek Partners Management Llc
Largest Position
$43.30M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
76
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Cooper Creek Partners Management Llc | 1.81% | 13,615,302 | $43,297,000 | $58,818,105 | +$15,521,105 | +35.85% | |
| Hosking Partners Llp | 1.08% | 10,230,131 | $32,531,817 | $44,194,166 | +$11,662,349 | +35.85% | |
| Donald Smith & Co. | Donald G. Smith | 0.46% | 8,126,773 | $25,843,138 | $35,107,659 | +$9,264,521 | +35.85% |
| Blackrock, Inc. | 0.00% | 7,603,051 | $24,177,703 | $32,845,180 | +$8,667,477 | +35.85% | |
| Barrow Hanley Mewhinney & Strauss Llc | 0.05% | 5,113,924 | $16,262,278 | $22,092,152 | +$5,829,874 | +35.85% | |
| Old West Investment Management, Llc | 1.42% | 4,201,296 | $13,360,124 | $18,149,599 | +$4,789,475 | +35.85% | |
| Grizzlyrock Capital, Llc | 7.93% | 3,565,959 | $11,339,750 | $15,404,943 | +$4,065,193 | +35.85% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 2,638,735 | $8,391,177 | $11,399,335 | +$3,008,158 | +35.85% |
| Centerbook Partners Lp | 0.40% | 2,566,762 | $8,162,303 | $11,088,412 | +$2,926,109 | +35.85% | |
| Ameriprise Financial Inc | 0.00% | 2,501,112 | $7,953,535 | $10,804,804 | +$2,851,269 | +35.85% | |
| State Street Corp | 0.00% | 2,190,494 | $6,965,771 | $9,462,934 | +$2,497,163 | +35.85% | |
| Ardsley Advisory Partners Lp | 0.75% | 2,185,000 | $6,948,300 | $9,439,200 | +$2,490,900 | +35.85% | |
| Dimensional Fund Advisors Lp | 0.00% | 2,132,449 | $6,780,766 | $9,212,180 | +$2,431,414 | +35.86% | |
| Masters Capital Management Llc | 0.89% | 2,000,000 | $6,360,000 | $8,640,000 | +$2,280,000 | +35.85% | |
| Royce & Associates Lp | 0.05% | 1,912,934 | $6,083,130 | $8,263,875 | +$2,180,745 | +35.85% | |
| Geode Capital Management, Llc | 0.00% | 1,779,204 | $5,657,868 | $7,686,161 | +$2,028,293 | +35.85% | |
| Gendell Jeffrey L | 0.05% | 1,641,676 | $5,220,530 | $7,092,040 | +$1,871,510 | +35.85% | |
| Jacobs Levy Equity Management, Inc | 0.02% | 1,493,275 | $4,748,614 | $6,450,948 | +$1,702,334 | +35.85% | |
| Bridgeway Capital Management, Llc | 0.08% | 1,472,427 | $4,682,318 | $6,360,885 | +$1,678,567 | +35.85% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,236,720 | $3,932,770 | $5,342,630 | +$1,409,860 | +35.85% | |
| Qube Research & Technologies Ltd | 0.00% | 1,150,911 | $3,659,897 | $4,971,936 | +$1,312,039 | +35.85% | |
| Russell Investments Group, Ltd. | 0.00% | 1,131,818 | $3,599,179 | $4,889,454 | +$1,290,275 | +35.85% | |
| American Century Companies Inc | 0.00% | 1,064,858 | $3,386,248 | $4,600,187 | +$1,213,939 | +35.85% | |
| Goldman Sachs Group Inc | 0.00% | 1,033,578 | $3,286,779 | $4,465,057 | +$1,178,278 | +35.85% | |
| Empowered Funds, Llc | 0.02% | 936,327 | $2,977,520 | $4,044,933 | +$1,067,413 | +35.85% | |
| Thomist Capital Management, Lp | 1.08% | 922,217 | $2,932,650 | $3,983,977 | +$1,051,327 | +35.85% | |
| D. E. Shaw & Co., Inc. | 0.00% | 871,018 | $2,769,837 | $3,762,798 | +$992,961 | +35.85% | |
| Vanguard Portfolio Management Llc | 0.00% | 861,189 | $2,738,581 | $3,720,336 | +$981,755 | +35.85% | |
| General American Investors Co Inc | 0.16% | 827,591 | $2,631,739 | $3,575,193 | +$943,454 | +35.85% | |
| Northern Trust Corp | 0.00% | 822,783 | $2,616,451 | $3,554,423 | +$937,972 | +35.85% | |
| Wolf Hill Capital Management, Lp | 0.23% | 755,059 | $2,401,088 | $3,261,855 | +$860,767 | +35.85% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.00% | 732,882 | $2,330,564 | $3,166,050 | +$835,486 | +35.85% | |
| Orchard Capital Management, Llc | 2.41% | 690,000 | $2,194,200 | $2,980,800 | +$786,600 | +35.85% | |
| Jb Capital Partners Lp | 0.32% | 655,000 | $2,082,900 | $2,829,600 | +$746,700 | +35.85% | |
| Bastion Asset Management Inc. | 0.70% | 604,639 | $2,064,756 | $2,612,040 | +$547,284 | +26.51% | |
| Ballast Asset Management, Lp | 0.79% | 626,195 | $1,991,300 | $2,705,162 | +$713,862 | +35.85% | |
| Dba Trading, Llc | 0.95% | 460,000 | $1,895,200 | $1,987,200 | +$92,000 | +4.85% | |
| Rbf Capital, Llc | 0.07% | 521,005 | $1,656,796 | $2,250,742 | +$593,946 | +35.85% | |
| 1492 Capital Management Llc | 0.48% | 512,795 | $1,630,688 | $2,215,274 | +$584,586 | +35.85% | |
| Walleye Capital Llc | 0.01% | 507,500 | $1,613,850 | $2,192,400 | +$578,550 | +35.85% | |
| Envestnet Asset Management Inc | 0.00% | 494,065 | $1,571,127 | $2,134,361 | +$563,234 | +35.85% | |
| Man Group Plc | 0.00% | 476,550 | $1,515,429 | $2,058,696 | +$543,267 | +35.85% | |
| Penn Capital Management Company, Llc | 0.10% | 475,726 | $1,512,809 | $2,055,136 | +$542,327 | +35.85% | |
| Millennium Management Llc | 0.00% | 456,817 | $1,452,678 | $1,973,449 | +$520,771 | +35.85% | |
| Morgan Stanley | 0.00% | 432,432 | $1,375,135 | $1,868,106 | +$492,971 | +35.85% | |
| Jump Financial, Llc | 0.01% | 427,384 | $1,359,082 | $1,846,299 | +$487,217 | +35.85% | |
| Boston Partners | 0.00% | 407,404 | $1,295,540 | $1,759,985 | +$464,445 | +35.85% | |
| Acadian Asset Management Llc | 0.00% | 355,159 | $1,123,000 | $1,534,287 | +$411,287 | +36.62% | |
| Pekin Hardy Strauss, Inc. | 0.09% | 315,400 | $1,002,972 | $1,362,528 | +$359,556 | +35.85% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | 292,540 | $930,277 | $1,263,773 | +$333,496 | +35.85% |
Frequently asked questions about GSM
Who owns the most GSM stock?
The largest holders of GSM 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 FERROGLOBE PLC (GSM).
Is GSM widely held by superinvestors?
Many widely followed stocks like GSM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly GSM 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.