FORTUNA MNG CORP (FSM): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in FSM · Materials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
21
13F filers
Aggregate Value
$294.6M
Across holders
Last Price
$12.19
2026-08-24
Sector
Materials
GICS
Quarterly fund activity11 increased9 reduced4 exited
Full exits: Verition Fund Management LLC, Grantham, Mayo, Van Otterloo & Co. LLC, Squarepoint Ops LLC, Brevan Howard Capital Management LP
Institutional Holders of FSM
21 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
SHAW D E & CO INC
CIK 0001009207
Hedge Fund7.98M$67.4M22.9%0.0%Added$-17.2MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund6.56M$55.4M18.8%0.0%Reduced$-71.0MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund5.24M$44.3M15.0%0.0%Reduced$-1.9MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund3.34M$28.2M9.6%0.0%Added+$9.3MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund2.98M$25.2M8.6%0.0%Added+$11.0MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund1.95M$16.5M5.6%0.0%Reduced$-7.1MQ2 2026
JUPITER ASSET MANAGEMENT LTD
CIK 0001215838
Hedge Fund1.31M$11.0M3.8%0.1%Added+$1.9MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.04M$8.8M3.0%0.0%Reduced+$3.0MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund974K$8.2M2.8%0.0%Added$-3.4MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund919K$7.8M2.6%0.0%Added+$118KQ2 2026
SHAW D E & CO INCAdded
Hedge Fund
$67.4M· 22.9% of total· 0.0% port· 7.98M sh· $-17.2M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$55.4M· 18.8% of total· 0.0% port· 6.56M sh· $-71.0M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$44.3M· 15.0% of total· 0.0% port· 5.24M sh· $-1.9M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$28.2M· 9.6% of total· 0.0% port· 3.34M sh· +$9.3M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$25.2M· 8.6% of total· 0.0% port· 2.98M sh· +$11.0M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$16.5M· 5.6% of total· 0.0% port· 1.95M sh· $-7.1M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDAdded
Hedge Fund
$11.0M· 3.8% of total· 0.1% port· 1.31M sh· +$1.9M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$8.8M· 3.0% of total· 0.0% port· 1.04M sh· +$3.0M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$8.2M· 2.8% of total· 0.0% port· 974K sh· $-3.4M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$7.8M· 2.6% of total· 0.0% port· 919K sh· +$118K QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$6.1M· 2.1% of total· 0.0% port· 726K sh· +$1.7M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$5.9M· 2.0% of total· 0.0% port· 702K sh· $-4.5M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$3.9M· 1.3% of total· 0.0% port· 457K sh· $-929K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$2.4M· 0.8% of total· 0.0% port· 286K sh· +$378K QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$1.6M· 0.6% of total· 0.0% port· 192K sh· $-2.9M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALAdded
Institutional Manager
$851K· 0.3% of total· 0.0% port· 101K sh· QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$670K· 0.2% of total· 0.0% port· 79K sh· +$390K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$162K· 0.1% of total· 0.0% port· 19K sh· $-355K QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$60K· 0.0% of total· 0.0% port· 7K sh· $-109K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$19K· 0.0% of total· 0.0% port· 2K sh· $-3K QoQ· Q2 2026
Ancora Advisors, LLCUnchanged
Hedge Fund
$11K· 0.0% of total· 0.0% port· 1K sh· +$0 QoQ· Q2 2026
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