NISOURCE INC.
Total Trades
16
Buys
1
Sells
15
Largest Trade
$1M+
Insiders
8
Institutional Funds
722
Inst. Value
$1M+
Activist Filings
15
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Anderson Shawn | EVP & CFO | SELL | $500K+ | 13K | $45.01 | Feb 17, 2026 |
| Cuccia Kimberly S | EVP | SELL | $100K–$500K | 8K | $43.13 | Nov 26, 2025 |
| Anderson Shawn | EVP & CFO | SELL | $100K–$500K | 11K | $42.33 | Sep 2, 2025 |
| Berman Melanie B. | EVP Administration… | SELL | $100K–$500K | 6K | $39.42 | Jun 2, 2025 |
| Yates Lloyd M | Director and Presi… | SELL | $500K+ | 16K | $38.93 | May 19, 2025 |
| Jesanis Michael E | Director | SELL | $100K–$500K | 10K | $37.97 | May 15, 2025 |
| Anderson Shawn | EVP & CFO | SELL | $100K–$500K | 7K | $32.24 | Aug 23, 2024 |
| Jefferson William Jr. | EVP | SELL | $100K–$500K | 4K | $32.07 | Aug 21, 2024 |
| Berman Melanie B. | CHRO & SVP Adminis… | SELL | $100K–$500K | 4K | $27.96 | Jun 3, 2024 |
| Jesanis Michael E | Director | SELL | $100K–$500K | 5K | $26.24 | Nov 30, 2023 |
| Yates Lloyd M | Director and Presi… | BUY | $1M+ | 40K | $26.44 | Aug 25, 2023 |
| Brown Donald Eugene | EVP & Chief Innova… | SELL | $100K–$500K | 14K | $26.64 | Aug 9, 2023 |
| Birmingham Melody | EVP & President NI… | SELL | $100K–$500K | 5K | $26.57 | Aug 9, 2023 |
| Jefferson William Jr. | EVP Operations & CSO | SELL | $100K–$500K | 5K | $26.80 | Aug 8, 2023 |
| Cuccia Kimberly S | SVP, GC & Corp Sec | SELL | $100K–$500K | 11K | $28.54 | May 10, 2023 |
| Berman Melanie B. | SVP & CHRO | SELL | $100K–$500K | 5K | $27.89 | Mar 17, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 722 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| VANGUARD GROUP INC | 57.4M | $1M+ | SH |
| STATE STREET CORP | 26.7M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 11.0M | $1M+ | SH |
| JENNISON ASSOCIATES LLC | 8.9M | $1M+ | SH |
| Capital International Investors | 8.2M | $1M+ | SH |
| NORGES BANK | 8.1M | $1M+ | SH |
| Newport Trust Company, LLC | 5.7M | $1M+ | SH |
| Pictet Asset Management Holding SA | 5.4M | $1M+ | SH |
| COHEN & STEERS, INC. | 4.6M | $1M+ | SH |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 644K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 4.3M | $1M+ | SH |
| REAVES W H & CO INC | 3.7M | $1M+ | SH |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO | 3.1M | $1M+ | SH |
| PFA Pension, Forsikringsaktieselskab | 2.4M | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 2.1M | $1M+ | SH |
| ANTIPODES PARTNERS Ltd | 2.1M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 2.0M | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.9M | $1M+ | SH |
| PRINCIPAL FINANCIAL GROUP INC | 1.5M | $1M+ | SH |
| AVIVA PLC | 1.5M | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
T. Rowe Price Investment Management, Inc.
SC 13G/A · Dec 5, 2025
10.5%
50.3M shares
T. Rowe Price Investment Management, Inc.
SC 13G/A · Aug 14, 2025
8.7%
40.7M shares
T. Rowe Price Investment Management, Inc.
SC 13G · May 14, 2025
5.1%
24.0M shares
SC 13G · May 13, 2025
5.0%
23.8M shares
SC 13G · Feb 4, 2025
4.9%
22.9M shares
SC 13G/A · Sep 10, 2024
10.5%
47.3M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
13.1%
53.9M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 29, 2024
5.3%
0 shares
SC 13G/A · Jan 24, 2024
9.5%
39.4M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Feb 14, 2023
1.5%
6.3M shares
SC 13G/A · Jan 27, 2023
10.6%
43.4M shares
SC 13G/A · Jan 23, 2023
11.2%
45.7M shares
SC 13G/A · Mar 11, 2022
13.6%
53.6M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Feb 14, 2022
6.7%
27.2M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Feb 11, 2022
5.7%
0 shares