NISOURCE INC. - COMMON STOCK (NI) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / COMMON STOCK
Symbol
NI on NYSE
Shares outstanding
479,348,905
Price per share
$41.57
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
461,271,392
Total reported value
$19,267,847,484
% of total 13F portfolios
0.01%
Share change
+12,723,530
Value change
+$522,238,907
Number of holders
812
Price from insider filings
$41.57
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of NISOURCE INC. - COMMON STOCK (NI) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
T. Rowe Price Investment Management, Inc. 10% +20% $2,153,187,345 +$411,332,695 50,331,635 +24% T. Rowe Price Investment Management, Inc. 30 Nov 2025
STATE STREET CORP 5% +2% $942,878,858 +$34,865,467 23,762,068 +3.8% STATE STREET CORPORATION 31 Mar 2025

As of 31 Dec 2025, 812 institutional investors reported holding 461,271,392 shares of NISOURCE INC. - COMMON STOCK (NI). This represents 96% of the company’s total 479,348,905 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of NISOURCE INC. - COMMON STOCK (NI) together control 68% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 13% 62,408,533 +1.7% 0.04% $2,606,180,338
BlackRock, Inc. 11% 51,570,498 +7% 0.04% $2,153,583,991
T. Rowe Price Investment Management, Inc. 11% 51,504,257 +19% 1.4% $2,150,818,000
STATE STREET CORP 5.6% 26,735,119 +4.5% 0.04% $1,116,458,569
GEODE CAPITAL MANAGEMENT, LLC 2.6% 12,459,421 +2% 0.03% $518,300,757
DEUTSCHE BANK AG\ 2.2% 10,349,376 -14% 0.14% $432,189,942
JENNISON ASSOCIATES LLC 2% 9,429,794 -1% 0.24% $393,788,198
FMR LLC 1.9% 9,138,698 -2.8% 0.02% $381,632,060
Capital International Investors 1.7% 8,167,328 +0.38% 0.05% $341,067,617
NORGES BANK 1.7% 8,066,389 0.04% $336,852,405
Invesco Ltd. 1.6% 7,786,335 -2.6% 0.05% $325,157,351
JPMORGAN CHASE & CO 1.6% 7,477,325 -12% 0.02% $312,253,114
FRANKLIN RESOURCES INC 1.3% 6,118,568 -3.2% 0.06% $255,511,400
Newport Trust Company, LLC 1.2% 5,700,723 -0.63% 0.57% $238,062,192
REAVES W H & CO INC 1.1% 5,424,733 +8.3% 4% $226,536,851
Pictet Asset Management Holding SA 1.1% 5,414,781 +21% 0.22% $226,123,795
Soroban Capital Partners LP 1.1% 5,387,780 +4.6% 1.7% $233,290,874
MORGAN STANLEY 1% 4,882,914 +11% 0.01% $203,910,605
UBS Group AG 1% 4,875,267 +34% 0.04% $203,591,150
COHEN & STEERS, INC. 0.96% 4,604,468 -15% 0.35% $192,283,000
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.91% 4,344,127 +2.4% 0.03% $181,410,744
NORTHERN TRUST CORP 0.89% 4,273,238 -4% 0.02% $178,450,419
WELLINGTON MANAGEMENT GROUP LLP 0.88% 4,237,172 +73% 0.03% $176,944,302
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.84% 4,046,284 +2.2% 0.04% $168,972,819
Legal & General Group Plc 0.82% 3,935,937 -3.1% 0.04% $164,364,728

Institutional Holders of NISOURCE INC. - COMMON STOCK (NI) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 461,271,392 $19,267,847,484 +$522,238,907 $41.76 812
2025 Q3 445,082,352 $19,269,662,726 -$330,283,760 $43.30 780
2025 Q2 453,755,836 $18,300,023,846 +$794,925,372 $40.34 769
2025 Q1 436,550,236 $17,498,639,030 -$456,223,743 $40.09 789
2024 Q4 448,827,238 $16,495,974,743 +$96,595,929 $36.76 732
2024 Q3 444,311,996 $15,391,442,909 +$65,132,284 $34.65 681
2024 Q2 437,783,138 $12,614,468,592 +$398,849,790 $28.81 632
2024 Q1 424,892,296 $11,753,100,968 +$433,077,164 $27.66 627
2023 Q4 409,274,874 $10,867,342,299 +$444,524,255 $26.55 604
2023 Q3 392,393,601 $9,685,748,668 -$28,317,831 $24.68 576
2023 Q2 390,585,909 $10,683,907,366 +$72,820,216 $27.35 557
2023 Q1 387,915,509 $10,844,196,544 +$165,679,965 $27.96 583
2022 Q4 383,078,285 $10,505,138,613 +$94,506,776 $27.42 570
2022 Q3 379,616,029 $9,570,408,157 -$222,507,448 $25.19 529
2022 Q2 387,244,348 $11,418,214,995 +$266,987,381 $29.49 519
2022 Q1 379,314,020 $12,053,461,847 +$90,310,203 $31.80 518
2021 Q4 376,695,988 $10,398,229,647 -$43,474 $27.61 503
2021 Q3 375,497,451 $9,095,816,521 +$170,124,039 $24.23 476
2021 Q2 368,276,934 $9,021,296,159 +$84,292,387 $24.50 495
2021 Q1 364,383,422 $8,777,443,007 +$174,201,294 $24.11 472
2020 Q4 357,585,284 $8,197,352,477 -$53,320,876 $22.94 444
2020 Q3 360,596,900 $7,931,601,787 +$219,270,659 $22.00 445
2020 Q2 349,920,881 $7,964,294,031 +$134,739,481 $22.74 440
2020 Q1 347,459,088 $8,673,483,754 -$21,192,832 $24.97 467
2019 Q4 347,780,037 $9,680,819,090 +$74,839,477 $27.84 482
2019 Q3 343,606,674 $10,280,028,132 -$214,965,152 $29.92 469
2019 Q2 347,068,783 $9,991,576,064 -$112,856,117 $28.80 472
2019 Q1 352,511,400 $10,098,666,506 +$137,849,875 $28.66 466
2018 Q4 349,051,441 $8,847,707,494 +$263,879,073 $25.35 469
2018 Q3 338,307,558 $8,430,275,286 +$193,544,201 $24.92 457
2018 Q2 331,361,729 $8,707,221,268 +$746,522,902 $26.28 461
2018 Q1 302,952,070 $7,241,680,156 +$222,109,775 $23.91 457
2017 Q4 293,479,214 $7,532,600,397 +$346,536,412 $25.67 473
2017 Q3 279,353,417 $7,146,513,557 +$256,690,902 $25.59 442
2017 Q2 269,298,826 $6,831,674,346 +$48,876,350 $25.36 444
2017 Q1 269,124,701 $6,402,427,300 +$581,684,076 $23.79 437
2016 Q4 266,922,816 $5,909,430,466 -$82,203,906 $22.14 439
2016 Q3 268,843,430 $6,477,941,222 +$54,699,090 $24.11 441
2016 Q2 266,418,541 $7,058,835,291 +$82,600,207 $26.52 434
2016 Q1 263,630,841 $6,205,909,100 -$37,615,664 $23.56 414
2015 Q4 266,060,550 $5,191,574,240 +$15,115,646 $19.51 389
2015 Q3 264,408,983 $4,903,499,854 -$191,005,852 $18.55 370
2015 Q2 246,841,215 $11,252,695,473 -$253,166,403 $45.59 440
2015 Q1 257,865,943 $11,384,567,785 +$223,526,337 $44.16 426
2014 Q4 253,920,126 $10,774,206,551 +$132,737,005 $42.42 426
2014 Q3 254,424,225 $10,425,626,077 -$51,714,151 $40.98 416
2014 Q2 255,625,039 $10,055,711,486 +$287,231,340 $39.34 400
2014 Q1 248,199,828 $8,817,850,864 +$26,631,070 $35.53 398