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CN Energy Group. Inc.: which funds bought and sold

Institutions that bought and sold CN Energy Group 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, 3 institutions that filed 13F reports for both quarters added to or opened positions in CN Energy Group, and 4 cut or closed them. Together they sold a net 95K shares, −57.6% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 98K shares (−100.0%); index fund managers held the same number of shares overall. 2 opened a new position and 4 sold out entirely.

Bought, Q2 2026 3 institutions, 2 of them new holders Sold, Q2 2026 4 institutions, 4 of them sold out
Net change, all compared −95K shares (−57.6%)
Net change, active managers −98K shares (−100.0%), 0 bought, 2 sold

Buyers versus sellers

institutions compared, 7
Active managers and hedge funds 0 bought · 2 sold · −98K
Index fund managers 0 bought · 0 sold · 0
Other institutions 3 bought · 2 sold · +2,988

Biggest buyers

by change in shares held
Institution Change in shares Shares June 30, 2026 Value
HRT Financial LP +18K New position 18K $8,000
UBS Group AG +12K New position 12K $5,882
Xtx Topco Ltd +12K +44.1% 40K $19,145

Biggest sellers

by change in shares held
Institution Change in shares Shares June 30, 2026 Value
Renaissance Technologies LLC Hedge fund −74K Sold out 0 —
Virtu Financial LLC −27K Sold out 0 —
Citadel Advisors LLC Hedge fund −24K Sold out 0 —
Two Sigma Securities, LLC −13K Sold out 0 —

New positions

largest by value
InstitutionSharesValue June 30, 2026
HRT Financial LP 18K $8,000
UBS Group AG 12K $5,882

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Renaissance Technologies LLCHedge fund 74K $30,433
Virtu Financial LLC 27K $11,000
Citadel Advisors LLCHedge fund 24K $9,786
Two Sigma Securities, LLC 13K $5,160

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
3
Ten largest holders
100.0%
of 13F-reported shares
Index fund managers
0.0%
of 13F-reported shares
Active managers and hedge funds
0.0%
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 0 2 0 2 −98K −100.0%
Index fund managers 0 0 0 0 0 —
Other institutions 3 2 2 2 +2,988 +4.5%

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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