Stock Ownership/EFXT

ENERFLEX LTD (EFXT): Ownership & Insider Activity

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

Reported Holders
17
13F filers
Aggregate Value
$115.2M
Across holders
Last Price
$19.72
2026-08-24
Sector
Energy
GICS
Quarterly fund activity9 increased7 reduced2 exited
Full exits: MARSHALL WACE, LLP, Squarepoint Ops LLC
Institutional Holders of EFXT
↗
17 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.38M$33.9M29.4%0.0%Added+$889KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund609K$14.9M13.0%0.0%Added+$10.9MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund490K$12.0M10.4%0.0%Added+$3.5MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund424K$10.4M9.0%0.0%Added+$5.0MQ2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund305K$7.5M6.5%0.0%Reduced$-908KQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund294K$7.2M6.3%0.0%Reduced$-4.1MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund280K$6.9M5.9%0.0%Added+$1.7MQ2 2026
Grantham, Mayo, Van Otterloo & Co. LLC
CIK 0001352662
Institutional Manager251K$6.2M5.4%0.0%Reduced$-98KQ2 2026
JUPITER ASSET MANAGEMENT LTD
CIK 0001215838
Hedge Fund248K$6.1M5.3%0.0%Added+$3.6MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund144K$3.5M3.1%0.0%Reduced$-37.1MQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$33.9M· 29.4% of total· 0.0% port· 1.38M sh· +$889K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$14.9M· 13.0% of total· 0.0% port· 609K sh· +$10.9M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$12.0M· 10.4% of total· 0.0% port· 490K sh· +$3.5M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$10.4M· 9.0% of total· 0.0% port· 424K sh· +$5.0M QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$7.5M· 6.5% of total· 0.0% port· 305K sh· $-908K QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$7.2M· 6.3% of total· 0.0% port· 294K sh· $-4.1M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$6.9M· 5.9% of total· 0.0% port· 280K sh· +$1.7M QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCReduced
Institutional Manager
$6.2M· 5.4% of total· 0.0% port· 251K sh· $-98K QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDAdded
Hedge Fund
$6.1M· 5.3% of total· 0.0% port· 248K sh· +$3.6M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$3.5M· 3.1% of total· 0.0% port· 144K sh· $-37.1M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$2.5M· 2.2% of total· 0.0% port· 103K sh· $-8.9M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$1.6M· 1.4% of total· 0.0% port· 64K sh· +$219K QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$1.2M· 1.1% of total· 0.0% port· 51K sh· $-17.7M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$470K· 0.4% of total· 0.0% port· 19K sh· — QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$435K· 0.4% of total· 0.0% port· 18K sh· +$1K QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$233K· 0.2% of total· 0.0% port· 9K sh· $-22K QoQ· Q2 2026
Rockefeller Capital Management L.P.Unchanged
Hedge Fund
$105K· 0.1% of total· 0.0% port· 4K sh· +$0 QoQ· Q2 2026
1–10 of 17
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