undamentalytics Newsletter

Guardian Metal Resources PLC: which funds bought and sold

Institutions that bought and sold Guardian Metal Resources shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.

Between March 31, 2026 and June 30, 2026, 36 institutions that filed 13F reports for both quarters added to or opened positions in Guardian Metal Resources, and 16 cut or closed them. Together they added a net 915K shares, +17.4% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 18K shares (−1.0%); index fund managers held the same number of shares overall. 22 opened a new position and 6 sold out entirely.

Bought, Q2 2026 36 institutions, 22 of them new holders Sold, Q2 2026 16 institutions, 6 of them sold out
Net change, all compared +915K shares (+17.4%)
Net change, active managers −18K shares (−1.0%), 5 bought, 4 sold

Buyers versus sellers

institutions compared, 53
Active managers and hedge funds 5 bought · 4 sold · −18K
Index fund managers 0 bought · 0 sold · 0
Other institutions 31 bought · 12 sold · +933K

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
Philosophy Capital Management LLC +872K New position 872K $12.2M
Ardsley Advisory Partners LP +400K New position 400K $5.6M
Driehaus Capital Management LLC Active manager +305K +54.9% 860K $12M
Potrero Capital Research LLC +270K +75.1% 629K $8.8M
Bank Of Montreal +233K +2332.8% 243K $4.7M
Westerly Capital Management, LLC +199K +19900.0% 200K $2.8M
Verition Fund Management LLC Hedge fund +195K New position 195K $2.7M
Castle Hook Partners LP Hedge fund +95K New position 95K $1.3M
Bank Of America Corp +95K +814.4% 107K $1.5M
Summittx Capital, L.P. +92K New position 92K $1.3M
Panoramic Capital, LLC +70K New position 70K $980,700
Aventail Capital Group, LP +66K +15.4% 497K $7M
Clearline Capital LP Hedge fund +66K New position 66K $923,805
Diametric Capital, LP +52K +32.8% 210K $2.9M
Jpmorgan Chase & Co +45K +363.6% 57K $802,145
CI Investments Inc. +34K New position 34K $482,028
Cambridge Investment Research Advisors, Inc. +34K +108.7% 65K $914,000
Marshall Wace, LLP Hedge fund +32K New position 32K $453,028
Manufacturers Life Insurance Company, The +25K +79.1% 57K $802,927
Goldman Sachs Group Inc +23K New position 23K $321,838

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
Donald Smith & Co., Inc. −1.5M Sold out 0 —
T. Rowe Price Investment Management, Inc. Active manager −596K −53.6% 515K $7.2M
Citadel Advisors LLC Hedge fund −78K Sold out 0 —
HRT Financial LP −43K Sold out 0 —
Millennium Management LLC Hedge fund −36K −68.5% 17K $232,342
Monaco Asset Management Sam −31K −74.7% 11K $148,744
Jane Street Group, LLC −30K −28.0% 77K $1.1M
Arrowmark Colorado Holdings LLC −27K −28.5% 69K $960,624
TD Asset Management Inc −20K Sold out 0 —
Picton Mahoney Asset Management −17K −5.4% 293K $4.1M
Northwest & Ethical Investments L.P. −9,798 −62.2% 5,958 $84,246
Prelude Capital Management, LLC −8,846 −27.2% 24K $331,070
Connective Capital Management, LLC −5,000 Sold out 0 —
Gilder Gagnon Howe & Co LLC Active manager −344 −2.7% 12K $171,721
Rachor Investment Advisory Services, LLC −50 Sold out 0 —
PNC Financial Services Group, Inc. −11 −0.6% 1,945 $27,249

New positions

largest by value
InstitutionSharesValue June 30, 2026
Philosophy Capital Management LLC 872K $12.2M
Ardsley Advisory Partners LP 400K $5.6M
Verition Fund Management LLCHedge fund 195K $2.7M
Castle Hook Partners LPHedge fund 95K $1.3M
Summittx Capital, L.P. 92K $1.3M
Panoramic Capital, LLC 70K $980,700
Clearline Capital LPHedge fund 66K $923,805
CI Investments Inc. 34K $482,028
Marshall Wace, LLPHedge fund 32K $453,028
Goldman Sachs Group Inc 23K $321,838

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Donald Smith & Co., Inc. 1.5M $26.2M
Citadel Advisors LLCHedge fund 78K $1.4M
HRT Financial LP 43K $752,000
TD Asset Management Inc 20K $356,103
Connective Capital Management, LLC 5,000 $87,400
Rachor Investment Advisory Services, LLC 50 $874

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
47
Ten largest holders
76.3%
of 13F-reported shares
Index fund managers
0.0%
of 13F-reported shares
Active managers and hedge funds
29.0%
of 13F-reported shares
Buying and selling by type of institution, March 31, 2026 to June 30, 2026
TypeBoughtSoldNewSold outNet change in sharesNet %
Active managers and hedge funds 5 4 4 1 −18K −1.0%
Index fund managers 0 0 0 0 0 —
Other institutions 31 12 18 5 +933K +27.0%

Active managers and hedge funds: a list we maintain of about 400 well-known stock-picking firms and hedge funds, matched by SEC registration number (CIK) and checked against the filer names each quarter. Index fund managers: the large index houses, such as BlackRock, Vanguard, State Street, Geode and Northern Trust. Every other filer (banks, brokers, wealth managers, pension funds, insurers and firms not on the list) counts as another institution. A firm that files under several SEC registrations appears once for each.

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