Stock Ownership/MNTK

MONTAUK RENEWABLES INC (MNTK): Ownership & Insider Activity

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

Reported Holders
8
13F filers
Aggregate Value
$1.5M
Across holders
Last Price
$1.86
2026-08-24
Sector
Utilities
GICS
Quarterly fund activity3 increased4 reduced1 exited
Full exits: Point72 Asset Management, L.P.
Institutional Holders of MNTK
↗
8 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund365K$569K39.2%0.0%Added+$16KQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund238K$372K25.6%0.0%Added+$370KQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund101K$158K10.9%0.0%Reduced$-26KQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund81K$126K8.6%0.0%Reduced$-412KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund59K$92K6.3%0.0%Added—Q2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund43K$68K4.7%0.0%Reduced$-255KQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund32K$50K3.5%0.0%Unchanged+$0Q2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund12K$19K1.3%0.0%Reduced$-37KQ2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$569K· 39.2% of total· 0.0% port· 365K sh· +$16K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$372K· 25.6% of total· 0.0% port· 238K sh· +$370K QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$158K· 10.9% of total· 0.0% port· 101K sh· $-26K QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$126K· 8.6% of total· 0.0% port· 81K sh· $-412K QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$92K· 6.3% of total· 0.0% port· 59K sh· — QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$68K· 4.7% of total· 0.0% port· 43K sh· $-255K QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPUnchanged
Hedge Fund
$50K· 3.5% of total· 0.0% port· 32K sh· +$0 QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$19K· 1.3% of total· 0.0% port· 12K sh· $-37K QoQ· Q2 2026
Loading recent insider activity…
← Stock ownership