Boston Partners

Position in GSM — Ferroglobe PLC

CIK 1386060 BOSTON, MA

Position in GSM

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$1,447,912

-$605,018 QoQ

Shares Held

351,435

-20.6% QoQ

Ownership

0.188%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2021

18 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Basic Materials · as of Mar 31, 2026

Boston Partners holds $145,897,508 across 5 Other Industrial Metals & Mining names. GSM ranks #3 (1.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TECK	Teck Resources Ltd	2,652,772	$137,280,950
2	RIO	Rio Tinto PLC	57,253	$5,341,132
3	GSM	Ferroglobe PLC This page	351,435	$1,447,912
4	ALM	Almonty Industries Inc.	85,738	$1,241,486
5	VALE	Vale S.A.	36,834	$586,028

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,447,912	351,435	-20.6%	Shares	Defined	2026-05-11
2025-12-31	$2,052,930	442,442	-1.5%	Shares	Defined	2026-02-13
2025-09-30	$2,044,228	449,281	+8.0%	Shares	Defined	2025-11-13
2025-06-30	$1,526,885	416,045	-73.1%	Shares	Defined	2025-08-12
2025-03-31	$5,743,643	1,548,152	+622.2%	Shares	Defined	2025-05-13
2024-12-31	$814,644	214,380	+7.4%	Shares	Defined	2025-02-11
2024-09-30	$925,823	199,531	+73.6%	Shares	Defined	2024-11-12
2024-06-30	$615,981	114,922	+10.8%	Shares	Defined	2024-08-14
2024-03-31	$516,739	103,763	-31.4%	Shares	Defined	2024-05-28
2023-12-31	$984,774	151,271	-96.4%	Shares	Defined	2024-02-07
2023-09-30	$22,112,781	4,252,458	+5.8%	Shares	Defined	2023-11-08
2023-06-30	$19,172,270	4,019,344	+3.1%	Shares	Defined	2023-08-10
2023-03-31	$19,252,819	3,897,332	+2.1%	Shares	Defined	2023-05-09
2022-12-31	$14,695,695	3,817,064	+16.6%	Shares	Defined	2023-02-08
2022-09-30	$17,288,367	3,274,312	-10.0%	Shares	Defined	2022-11-09
2022-06-30	$21,608,079	3,637,724	+22.8%	Shares	Defined	2022-08-10
2022-03-31	$22,803,934	2,961,550	+262.1%	Shares	Defined	2022-05-10
2021-12-31	$5,078,767	817,837	—	Shares	Defined	2022-02-04
No filing history on record for this holder in this stock.