13F Insight
DOSSIER · 13F Holders · Q1 2026
GMTL

GUARDIAN METAL RES PLC

45 institutions still hold GUARDIAN METAL RES PLC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 401382106·45 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$95M
visible holders
Holders
45
filers reporting
Concentration
20.43%
T. Rowe Price Investment Management, Inc. #1
top holder share
AI Holders Summary · Q1 2026

45 institutions reported GMTL in Q1 2026. T. Rowe Price Investment Management, Inc. leads at 20.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$19M1.1M0.01%Q1 202602
Philosophy Capital Management LLC
CIK 0001869199
$12M872K0.58%Q2 202603
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 0000938206
$12M860K0.07%Q2 202604
Potrero Capital Research LLC
CIK 0001536630
$9M629K4.90%Q2 202605
Aventail Capital Group, LP
CIK 0001803822
$8M431K0.36%Q1 202606
ARDSLEY ADVISORY PARTNERS LP
CIK 0000900529
$6M400K0.58%Q2 202607
BANK OF MONTREAL /CAN/
CIK 0000927971
$5M243K0.00%Q2 202608
PICTON MAHONEY ASSET MANAGEMENT
CIK 0001539041
$4M293K0.03%Q2 202609
Diametric Capital, LP
CIK 0001719087
$3M210K0.31%Q2 202610
WESTERLY CAPITAL MANAGEMENT, LLC
CIK 0001546172
$3M200K0.52%Q2 202611
Verition Fund Management LLC
CIK 0001454027
$3M195K0.01%Q2 202612
TEACHER RETIREMENT SYSTEM OF TEXAS
CIK 0000796848
$3M150K0.01%Q1 202613
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$2M107K0.00%Q1 202614
BANK OF AMERICA CORP /DE/
CIK 0000070858
$1M107K0.00%Q2 202615
Castle Hook Partners LP
CIK 0001687241
$1M95K0.01%Q2 202616
SummitTX Capital, L.P.
CIK 0002052310
$1M92K0.03%Q2 202617
ArrowMark Colorado Holdings LLC
CIK 0001483859
$961K69K0.04%Q2 202618
Mercuria Capital Strategies, LLC
CIK 0002048079
$952K68K0.58%Q2 202619
MANUFACTURERS LIFE INSURANCE COMPANY, THE
CIK 0000928047
$803K57K0.00%Q2 202620
JPMORGAN CHASE & CO
CIK 0000019617
$802K57K0.00%Q2 2026
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