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Nisource Inc.

NI
Exchange
NYSE
Industry
Electric & Other Services Combined
SEC CIK
0001111711

In the last 90 days, Nisource Inc. insiders filed 0 open-market purchases and 1 sale; 916 institutions reported holding it in 13F filings for Q2 2026, worth $22.0B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Nisource Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
886
+65 vs. Q4 2025
Shares held
454.9M
+64.2M (+16.4%) vs. Q4 2025
Total value
$21.2B
+$4.89B (+30.0%) vs. Q4 2025
New holders
127
342 more added
Sold out
62
259 more reduced

16 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting NI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 886 institutions
Q1 2021: 489 institutionsQ2 2021: 512 institutionsQ3 2021: 494 institutionsQ4 2021: 519 institutionsQ1 2022: 532 institutionsQ2 2022: 539 institutionsQ3 2022: 545 institutionsQ4 2022: 576 institutionsQ1 2023: 592 institutionsQ2 2023: 566 institutionsQ3 2023: 585 institutionsQ4 2023: 610 institutionsQ1 2024: 633 institutionsQ2 2024: 638 institutionsQ3 2024: 687 institutionsQ4 2024: 736 institutionsQ1 2025: 797 institutionsQ2 2025: 774 institutionsQ3 2025: 785 institutionsQ4 2025: 837 institutionsQ1 2026: 886 institutionsQ2 2026: 916 institutions
Value heldQ1 2026: $21.2B
Q1 2021: $8.79BQ2 2021: $9.03BQ3 2021: $9.10BQ4 2021: $10.4BQ1 2022: $12.1BQ2 2022: $11.4BQ3 2022: $9.55BQ4 2022: $10.5BQ1 2023: $10.8BQ2 2023: $10.7BQ3 2023: $9.69BQ4 2023: $10.9BQ1 2024: $11.8BQ2 2024: $12.6BQ3 2024: $15.4BQ4 2024: $16.5BQ1 2025: $17.7BQ2 2025: $18.3BQ3 2025: $19.3BQ4 2025: $19.3BQ1 2026: $21.2BQ2 2026: $22.0B
Institutions holding NI and their total value by quarter
QuarterHoldersValue
Q2 2026916$22.0B
Q1 2026886$21.2B
Q4 2025837$19.3B
Q3 2025785$19.3B
Q2 2025774$18.3B
Q1 2025797$17.7B
Q4 2024736$16.5B
Q3 2024687$15.4B
Q2 2024638$12.6B
Q1 2024633$11.8B
Q4 2023610$10.9B
Q3 2023585$9.69B
Q2 2023566$10.7B
Q1 2023592$10.8B
Q4 2022576$10.5B
Q3 2022545$9.55B
Q2 2022539$11.4B
Q1 2022532$12.1B
Q4 2021519$10.4B
Q3 2021494$9.10B
Q2 2021512$9.03B
Q1 2021489$8.79B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Nisource Inc.; share changes are against Q4 2025.

Institutions holding NI in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Rockefeller Capital Management L.P.687,455$32.1M0.06%−3,720−0.5%Reduced
Tortoise Capital Advisors, L.L.C.696,197$32.5M0.34%−5,010−0.7%Reduced
Victory Capital Management Inc710,768$33.2M0.02%−247,818−25.9%Reduced
Exchange Traded Concepts, LLC778,314$36.3M0.28%+95,984+14.1%Added
Citadel Advisors LLC806,380$37.6M0.03%−1,680,000−67.6%Reduced
HSBC Holdings PLC807,175$37.7M0.02%+64,422+8.7%Added
Employees Retirement System of Texas832,929$38.9M0.34%−44,800−5.1%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys846,932$39.5M0.20%−49,358−5.5%Reduced
Price T Rowe Associates Inc861,566$40.2M0.00%+6,932+0.8%Added
Assenagon Asset Management S.A.864,692$40.3M0.06%+358,329+70.8%Added
Retirement Systems of Alabama864,891$40.4M0.13%+1080.0%Added
HITE Hedge Asset Management LLC877,440$40.9M2.31%−543,388−38.2%Reduced
Nomura Asset Management International Inc.894,195$41.7M0.07%−636,188−41.6%Reduced
Amundi920,306$42.9M0.01%−176,821−16.1%Reduced
Capital International Inc924,067$43.1M0.33%+12,388+1.4%Added
Vanguard Asset Management, Ltd929,766$43.4M0.04%+929,766New
GWM Advisors LLC930,013$43.4M0.16%+823,358+772.0%Added
Wells Fargo & Company959,638$44.8M0.01%+159,014+19.9%Added
Artemis Investment Management LLP979,771$45.7M0.48%+501,205+104.7%Added
Rhumbline Advisers987,751$46.1M0.04%−12,372−1.2%Reduced
Voya Investment Management LLC992,473$46.3M0.05%−61,615−5.8%Reduced
First Financial Bankshares Inc1,000,418$46.7M0.94%−8,265−0.8%Reduced
California Public Employees Retirement System1,022,459$47.7M0.03%−171,322−14.4%Reduced
Schroder Investment Management Group1,026,791$47.7M0.04%+440,927+75.3%Added
Russell Investments Group, Ltd.1,030,699$48.1M0.05%+168,696+19.6%Added
Sumitomo Mitsui Trust Holdings, Inc.1,035,060$48.3M0.03%−1,982−0.2%Reduced
Vanguard Global Advisers, LLC1,044,499$48.7M0.03%+1,044,499New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.1,104,307$51.5M0.03%+86,793+8.5%Added
Epoch Investment Partners, Inc.1,118,356$52.2M0.32%−46,664−4.0%Reduced
Adage Capital Partners GP, L.L.C.1,129,962$52.7M0.08%−205,900−15.4%Reduced
BNP Paribas Arbitrage, SA1,132,144$52.8M0.03%+240,680+27.0%Added
Eventide Asset Management, LLC1,143,590$53.3M0.88%+10,370+0.9%Added
Manufacturers Life Insurance Company, The1,213,933$56.6M0.05%−239,202−16.5%Reduced
Yaupon Capital Management LP1,242,895$58.0M2.86%+50,286+4.2%Added
Vaughan David Investments LLC1,288,627$60.1M1.27%−2,070−0.2%Reduced
Swiss National Bank1,400,500$65.3M0.04%+110,200+8.5%Added
Bahl & Gaynor Inc1,423,283$66.4M0.33%+75,321+5.6%Added
First Trust Advisors LP1,437,423$67.1M0.05%−699,863−32.7%Reduced
TD Asset Management Inc1,455,898$67.9M0.06%−25,641−1.7%Reduced
Aviva PLC1,525,662$71.2M0.12%+39,969+2.7%Added
Ameriprise Financial Inc1,539,088$71.8M0.02%−1,778−0.1%Reduced
AQR Capital Management LLC1,616,147$75.1M0.03%+276,302+20.6%Added
Mizuho Markets Americas LLC1,651,000$77.0M2.14%+1,651,000New
Principal Financial Group Inc1,713,756$80.0M0.04%−81,884−4.6%Reduced
Massachusetts Financial Services Co1,879,575$87.7M0.03%−6670.0%Reduced
Thrivent Financial for Lutherans1,905,041$88.9M0.17%−180,705−8.7%Reduced
TCW Group Inc1,940,380$90.5M0.68%+103,418+5.6%Added
Antipodes Partners Ltd2,097,998$97.9M1.88%+14,781+0.7%Added
Nuveen, LLC2,220,405$103.6M0.03%+14,889+0.7%Added
PFA Pension, Forsikringsaktieselskab2,400,019$112.0M0.34%−1,0520.0%Reduced
Dimensional Fund Advisors LP2,558,354$119.4M0.02%+106,400+4.3%Added
Vanguard Fiduciary Trust Co2,695,544$125.8M0.03%+2,695,544New
Royal Bank of Canada2,776,375$129.5M0.02%−223,596−7.5%Reduced
Bank of America Corp3,087,159$144.0M0.01%−505,434−14.1%Reduced
Duff & Phelps Investment Management Co3,106,640$145.0M1.51%+340.0%Added
Bank of New York Mellon Corp3,129,230$146.0M0.03%−118,226−3.6%Reduced
Alkeon Capital Management LLC3,365,500$157.0M0.71%+135,000+4.2%Added
Bank of Montreal3,393,371$158.3M0.07%+1,623,589+91.7%Added
Barclays PLC3,491,513$162.9M0.06%+2,036,207+139.9%Added
Brookfield Asset Management Inc.3,680,202$171.7M0.23%+2,235,394+154.7%Added
Legal & General Group Plc3,874,791$180.8M0.04%−61,146−1.6%Reduced
Goldman Sachs Group Inc3,890,683$181.5M0.02%+359,508+10.2%Added
Reaves W H & Co Inc4,112,345$191.9M3.18%−1,312,388−24.2%Reduced
UBS Asset Management Americas Inc4,198,668$195.9M0.04%+152,384+3.8%Added
Northern Trust Corp4,254,931$198.5M0.03%−18,307−0.4%Reduced
Charles Schwab Investment Management Inc4,472,631$208.7M0.03%+128,504+3.0%Added
Soroban Capital Partners LP4,493,353$209.7M1.50%−894,427−16.6%Reduced
Wellington Management Group LLP4,532,929$211.5M0.04%+295,757+7.0%Added
Cohen & Steers, Inc.4,697,973$219.2M0.38%+93,505+2.0%Added
Pictet Asset Management Holding SA4,811,924$224.5M0.24%−602,857−11.1%Reduced
Zimmer Partners, LP5,142,959$240.0M5.89%+1,272,859+32.9%Added
Morgan Stanley5,481,383$255.8M0.02%+598,469+12.3%Added
Newport Trust Co5,597,232$261.2M0.64%−103,491−1.8%Reduced
UBS Group AG5,873,793$274.1M0.05%+998,526+20.5%Added
Franklin Resources Inc5,986,389$279.3M0.07%−132,179−2.2%Reduced
Invesco Ltd.7,791,627$363.6M0.04%+5,292+0.1%Added
JPMorgan Chase & Co8,563,633$398.2M0.03%+1,086,308+14.5%Added
Jennison Associates LLC9,221,560$430.3M0.30%−208,234−2.2%Reduced
FMR LLC9,224,153$430.4M0.02%+85,455+0.9%Added
Deutsche Bank AG11,718,076$546.8M0.18%+1,368,700+13.2%Added
Geode Capital Management, LLC12,613,176$586.3M0.04%+153,755+1.2%Added
Vanguard Portfolio Management LLC26,980,955$1.26B0.07%+26,980,955New
State Street Corp27,102,422$1.26B0.04%+367,303+1.4%Added
Vanguard Capital Management LLC31,142,795$1.45B0.04%+31,142,795New
T. Rowe Price Investment Management, Inc.49,815,015$2.32B1.60%−1,689,242−3.3%Reduced
BlackRock, Inc.51,474,846$2.40B0.04%−95,652−0.2%Reduced
D1 Capital Partners L.P.SuperinvestorD1 Capital Partners0$00.00%−1,214,570−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−221,332−100.0%Sold out
Banco Santander, S.A.0$00.00%−180,476−100.0%Sold out
Consolidated Planning Corp0$00.00%−140,084−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−132,992−100.0%Sold out
Vennlight Capital Management, LP0$00.00%−91,024−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−85,445−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−85,036−100.0%Sold out
Lee Johnson Capital Management, LLC0$00.00%−49,203−100.0%Sold out
Inceptionr LLC0$00.00%−46,534−100.0%Sold out
Atom Investors LP0$00.00%−44,029−100.0%Sold out
Drake & Associates, LLC0$00.00%−40,095−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−38,400−100.0%Sold out
Quest Partners LLC0$00.00%−38,313−100.0%Sold out