Stock Ownership/MGEE

MGE ENERGY INC (MGEE): Ownership & Insider Activity

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

Reported Holders
22
13F filers
Aggregate Value
$167.8M
Across holders
Last Price
$79.32
2026-08-24
Sector
Utilities
GICS
Quarterly fund activity16 increased6 reduced3 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, Verition Fund Management LLC, MARSHALL WACE, LLP
Institutional Holders of MGEE
↗
22 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund487K$39.7M23.7%0.0%Added+$25.9MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund330K$26.9M16.0%0.0%Reduced$-27KQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund300K$24.5M14.6%0.0%Added+$24.5MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund148K$12.0M7.2%0.0%Added+$10.9MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund124K$10.1M6.0%0.0%Reduced$-2.9MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund120K$9.7M5.8%0.0%Reduced$-263KQ2 2026
SOROS FUND MANAGEMENT LLC
CIK 0001029160
Family Office107K$8.7M5.2%0.1%Added—Q2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund105K$8.6M5.1%0.0%Reduced$-5.3MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund81K$6.6M4.0%0.0%Added+$1.1MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund66K$5.4M3.2%0.0%Reduced$-1.2MQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$39.7M· 23.7% of total· 0.0% port· 487K sh· +$25.9M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$26.9M· 16.0% of total· 0.0% port· 330K sh· $-27K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$24.5M· 14.6% of total· 0.0% port· 300K sh· +$24.5M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$12.0M· 7.2% of total· 0.0% port· 148K sh· +$10.9M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$10.1M· 6.0% of total· 0.0% port· 124K sh· $-2.9M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$9.7M· 5.8% of total· 0.0% port· 120K sh· $-263K QoQ· Q2 2026
SOROS FUND MANAGEMENT LLCAdded
Family Office
$8.7M· 5.2% of total· 0.1% port· 107K sh· — QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$8.6M· 5.1% of total· 0.0% port· 105K sh· $-5.3M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$6.6M· 4.0% of total· 0.0% port· 81K sh· +$1.1M QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$5.4M· 3.2% of total· 0.0% port· 66K sh· $-1.2M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$4.7M· 2.8% of total· 0.0% port· 58K sh· — QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$4.2M· 2.5% of total· 0.0% port· 51K sh· +$3.2M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$1.4M· 0.8% of total· 0.0% port· 17K sh· +$597K QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$942K· 0.6% of total· 0.0% port· 12K sh· — QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$873K· 0.5% of total· 0.0% port· 11K sh· — QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$865K· 0.5% of total· 0.0% port· 11K sh· $-973K QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$803K· 0.5% of total· 0.0% port· 10K sh· +$468K QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$798K· 0.5% of total· 0.0% port· 10K sh· — QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALAdded
Institutional Manager
$636K· 0.4% of total· 0.0% port· 8K sh· — QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$252K· 0.2% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$8K· 0.0% of total· 0.0% port· 92 sh· +$5K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$642· 0.0% of total· 0.0% port· 8 sh· — QoQ· Q2 2026
1–10 of 22
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