Latest Period
Q1 2026
Security Snapshot
NISOURCE INC. - Common Stock (NI) Institutional Ownership
CUSIP: 65473P105
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
872
Shares (Excl. Options)
454,694,992
Price
$46.66
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- Security type / class
- Equity / Common Stock
- Symbol
- NI on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 454,694,992
- Total 13F value
- $21,206,962,633
- Portfolio coverage rank
- 0.01%
- Share change
- -7,714,590
- Value change
- -$305,676,660
- Number of holders
- 872
- Shares outstanding
- 479,680,265
- SEC-reported price per share
- $48.19
- Insider filing price
- $48.19
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- NI - NISOURCE INC. - Common Stock is tracked under CUSIP 65473P105.
- 872 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 832 to 872 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $19,303,908,457 to $21,206,962,633.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 872 institutions filings for Q1 2026.
Security key
65473P105
Latest holder period
Q1 2026
13F holders
872
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
NI full holder history
NISOURCE INC. SEC filings
NISOURCE INC. company facts
NISOURCE INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 65473P105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
NI
| 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 |
| VANGUARD CAPITAL MANAGEMENT LLC | 7.6% | $1,689,832,028 | 36,215,860 | Vanguard Capital Management | 31 Mar 2026 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.6% | $1,261,630,875 | 27,038,810 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| 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 Mar 2026, 872 institutional investors reported holding 454,694,992 shares of NISOURCE INC. - Common Stock (NI). This represents 95% of the company’s total 479,680,265 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
65%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11% | 51,474,846 | -0.19% | 0.04% | $2,401,816,313 |
| T. Rowe Price Investment Management, Inc. | 10% | 49,815,015 | -3.3% | 1.6% | $2,324,369,000 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.5% | 31,142,795 | 0% | 0.04% | $1,453,122,815 |
| STATE STREET CORP | 5.7% | 27,102,422 | +1.4% | 0.04% | $1,264,599,011 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.6% | 26,980,955 | 0% | 0.07% | $1,258,931,360 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 12,613,176 | +1.2% | 0.04% | $586,259,413 |
| DEUTSCHE BANK AG\ | 2.4% | 11,718,076 | +13% | 0.18% | $546,765,425 |
| FMR LLC | 1.9% | 9,224,153 | +0.94% | 0.02% | $430,398,944 |
| JENNISON ASSOCIATES LLC | 1.9% | 9,221,560 | -2.2% | 0.3% | $430,277,989 |
| JPMORGAN CHASE & CO | 1.8% | 8,563,633 | +15% | 0.03% | $398,208,979 |
| Invesco Ltd. | 1.6% | 7,791,627 | +0.07% | 0.06% | $363,557,327 |
| FRANKLIN RESOURCES INC | 1.2% | 5,986,389 | -2.2% | 0.07% | $279,324,911 |
| UBS Group AG | 1.2% | 5,873,793 | +20% | 0.05% | $274,071,182 |
| Newport Trust Company, LLC | 1.2% | 5,597,232 | -1.8% | 0.64% | $261,166,845 |
| MORGAN STANLEY | 1.1% | 5,481,383 | +12% | 0.02% | $255,761,407 |
| Zimmer Partners, LP | 1.1% | 5,142,959 | +33% | 5.9% | $239,970,467 |
| Pictet Asset Management Holding SA | 1% | 4,811,924 | -11% | 0.24% | $224,521,587 |
| COHEN & STEERS, INC. | 0.98% | 4,697,973 | +2% | 0.38% | $219,207,000 |
| WELLINGTON MANAGEMENT GROUP LLP | 0.94% | 4,532,929 | +7% | 0.04% | $211,506,466 |
| Soroban Capital Partners LP | 0.94% | 4,493,353 | -17% | 1.5% | $209,659,851 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.93% | 4,472,631 | +3% | 0.03% | $208,692,962 |
| NORTHERN TRUST CORP | 0.89% | 4,254,931 | -0.43% | 0.03% | $198,535,079 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.88% | 4,198,668 | +3.8% | 0.04% | $195,909,848 |
| REAVES W H & CO INC | 0.86% | 4,112,345 | -24% | 3.2% | $191,882,018 |
| GOLDMAN SACHS GROUP INC | 0.81% | 3,890,683 | +10% | 0.02% | $181,539,292 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 454,694,992 | $21,206,962,633 | -$305,676,660 | $46.66 | 872 |
| 2025 Q4 | 462,126,292 | $19,303,908,457 | +$526,880,537 | $41.76 | 832 |
| 2025 Q3 | 445,041,864 | $19,267,909,595 | -$330,290,861 | $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 |