NISOURCE INC (NI): Ownership & Insider Activity

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

Reported Holders
28
13F filers
Aggregate Value
$1.3B
Across holders
Last Price
$40.83
2026-08-24
Sector
Utilities
GICS
Quarterly fund activity18 increased7 reduced3 exited
Full exits: MILLENNIUM MANAGEMENT LLC, TUDOR INVESTMENT CORP ET AL, Ancora Advisors, LLC
Institutional Holders of NI
28 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
Soroban Capital Partners LLC
CIK 0001517857
Hedge Fund4.49M$213.7M16.6%0.4%Unchanged+$0Q2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund3.72M$176.7M13.7%0.0%Added+$173.1MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund3.46M$164.4M12.8%0.2%Added+$163.8MQ2 2026
BROOKFIELD Corp /ON/
CIK 0001001085
Hedge Fund3.45M$164.1M12.7%0.2%Reduced$-10.9MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund2.52M$120.0M9.3%0.0%Added+$119.7MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund2.50M$118.7M9.2%0.1%Added+$113.8MQ2 2026
TCW GROUP INC
CIK 0000850401
Hedge Fund1.51M$71.7M5.6%0.5%Reduced+$50.6MQ2 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund1.41M$67.0M5.2%0.3%AddedQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund877K$41.7M3.2%0.1%Reduced$-12.0MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund747K$35.5M2.8%0.0%Added+$35.1MQ2 2026
Soroban Capital Partners LLCUnchanged
Hedge Fund
$213.7M· 16.6% of total· 0.4% port· 4.49M sh· +$0 QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$176.7M· 13.7% of total· 0.0% port· 3.72M sh· +$173.1M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$164.4M· 12.8% of total· 0.2% port· 3.46M sh· +$163.8M QoQ· Q2 2026
BROOKFIELD Corp /ON/Reduced
Hedge Fund
$164.1M· 12.7% of total· 0.2% port· 3.45M sh· $-10.9M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$120.0M· 9.3% of total· 0.0% port· 2.52M sh· +$119.7M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$118.7M· 9.2% of total· 0.1% port· 2.50M sh· +$113.8M QoQ· Q2 2026
TCW GROUP INCReduced
Hedge Fund
$71.7M· 5.6% of total· 0.5% port· 1.51M sh· +$50.6M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$67.0M· 5.2% of total· 0.3% port· 1.41M sh· QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$41.7M· 3.2% of total· 0.1% port· 877K sh· $-12.0M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$35.5M· 2.8% of total· 0.0% port· 747K sh· +$35.1M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$33.6M· 2.6% of total· 0.1% port· 707K sh· $-94.7M QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$19.8M· 1.5% of total· 0.1% port· 416K sh· +$4.0M QoQ· Q2 2026
Hudson Bay Capital Management LPUnchanged
Hedge Fund
$10.1M· 0.8% of total· 0.0% port· 211K sh· +$0 QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$9.6M· 0.7% of total· 0.0% port· 201K sh· QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$9.4M· 0.7% of total· 0.3% port· 197K sh· QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$6.8M· 0.5% of total· 0.0% port· 143K sh· +$6.2M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$5.0M· 0.4% of total· 0.0% port· 105K sh· +$521K QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$4.1M· 0.3% of total· 0.0% port· 85K sh· +$1.1M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$4.0M· 0.3% of total· 0.0% port· 84K sh· +$1.8M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$3.7M· 0.3% of total· 0.0% port· 79K sh· +$2.9M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$3.1M· 0.2% of total· 0.0% port· 65K sh· $-10.1M QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$2.2M· 0.2% of total· 0.0% port· 46K sh· $-25.7M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$1.2M· 0.1% of total· 0.0% port· 26K sh· +$108K QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$855K· 0.1% of total· 0.0% port· 18K sh· QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$784K· 0.1% of total· 0.0% port· 16K sh· QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$658K· 0.1% of total· 0.0% port· 14K sh· QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALUnchanged
Institutional Manager
$300K· 0.0% of total· 0.0% port· 6K sh· +$0 QoQ· Q2 2026
Fulcrum Asset Management LLPReduced
Hedge Fund
$4K· 0.0% of total· 0.0% port· 92 sh· $-1000K QoQ· Q2 2026
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