NI · Insider trading · 13F holders · Congress trades
Nisource Inc. (NI)
Who is buying and selling NI: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 53
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $1.6M
- Congress trades, 12 months
- 2
NI at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 NI insider filed 1 sale worth $1.6M on SEC Form 4, and no open-market purchases.
- 53 13F filers hold NI among their 50 largest positions, worth $3.7B combined, including Takis Sparaggis. The biggest bets by portfolio weight are Zimmer Partners, LP (4.8%), Beck Bode, LLC (3.4%) and Ausbil Investment Management Ltd (3.3%). In their latest 13Fs, 0 managers opened a new position and 12 added to one.
- Members of Congress have disclosed 13 NI trades since 2014, 0 purchases and 2 sales in the past year; the latest was Jefferson Shreve (R-IN), selling $50K–100K on May 12, 2025.
- NI last closed at $44.75 on Oct 29, 2026.
NI insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 NI insider filed 1 sale worth $1.6M on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 18, 2026 | Birmingham Melody | EVP & Grp President, Utilities | Sale | 37,509.173 | $42.40 | $1.6M | SEC |
Who owns NI? Hedge funds and superinvestors
53 13F filers hold NI among their 50 largest positions, worth $3.7B combined, including Takis Sparaggis. The biggest bets by portfolio weight are Zimmer Partners, LP (4.8%), Beck Bode, LLC (3.4%) and Ausbil Investment Management Ltd (3.3%). In their latest 13Fs, 0 managers opened a new position and 12 added to one.
Superinvestors holding NI: Takis Sparaggis 0.6%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc.Mutual fund manager | 0.9% | $1.4B | 29,835,011 | -40.1% shares | Q2 2026 |
| Newport Trust Company, LLCBank & trust | 0.6% | $257.5M | 5,416,323 | -3.2% shares | Q2 2026 |
| Soroban Capital Partners LPHedge fund | 1.5% | $213.7M | 4,493,353 | +0.0% shares | Q2 2026 |
| Zimmer Partners, LPHedge fund | 4.8% | $203.4M | 4,277,259 | -16.8% shares | Q2 2026 |
| Reaves W H & Co IncInvestment manager | 3.0% | $194.4M | 4,088,685 | -0.6% shares | Q2 2026 |
| Brookfield Corp /ON/Investment manager | 0.2% | $164.1M | 3,451,951 | -6.2% shares | Q2 2026 |
| Takis SparaggisHedge fund | 0.6% | $160.0M | 3,365,500 | +0.0% shares | Q2 2026 |
| Duff & Phelps Investment Management CoMutual fund manager | 1.4% | $147.3M | 3,097,280 | -0.3% shares | Q2 2026 |
| ANTIPODES PARTNERS LtdAsset manager | 1.9% | $102.9M | 2,164,103 | +3.2% shares | Q2 2026 |
| Mizuho Markets Americas LLCInvestment manager | 1.7% | $95.4M | 2,007,300 | +21.6% shares | Q2 2026 |
| Ontario Teachers Pension Plan BoardPension fund | 0.5% | $83.2M | 1,750,406 | — | Q2 2026 |
| Yaupon Capital Management LPHedge fund | 2.8% | $83.2M | 1,749,831 | +40.8% shares | Q2 2026 |
| Vaughan David Investments Llc/ilAsset manager | 1.2% | $61.8M | 1,300,015 | +0.9% shares | Q2 2026 |
| Eventide Asset Management, LLCMutual fund manager | 0.7% | $55.1M | 1,158,290 | +1.3% shares | Q2 2026 |
| Tortoise Capital Advisors, L.l.c.Mutual fund manager | 0.5% | $47.2M | 992,110 | +42.5% shares | Q2 2026 |
| First Financial Bankshares IncBank & trust | 0.9% | $47.2M | 991,625 | -0.9% shares | Q2 2026 |
| HITE Hedge Asset Management LLCHedge fund | 2.2% | $39.9M | 839,916 | -4.3% shares | Q2 2026 |
| Waratah Capital Advisors Ltd.Hedge fund | 2.3% | $29.3M | 616,779 | +63.9% shares | Q2 2026 |
| Thomasville National BankBank & trust | 1.5% | $28.2M | 592,284 | +0.1% shares | Q2 2026 |
| Magellan Asset Management LtdAsset manager | 0.6% | $25.3M | 532,855 | — | Q2 2026 |
| Beck Bode, LLCWealth manager | 3.4% | $22.3M | 468,667 | -0.1% shares | Q2 2026 |
| Tema Etfs LLCMutual fund manager | 0.8% | $22.1M | 566,721 | +6.1% shares | Q3 2026 |
| Munro PartnersHedge fund | 0.5% | $22.0M | 463,224 | +121.1% shares | Q2 2026 |
| Aventail Capital Group, LPHedge fund | 1.2% | $20.1M | 421,928 | — | Q2 2026 |
| Resolution Capital LtdHedge fund | 0.3% | $18.7M | 393,485 | +77.8% shares | Q2 2026 |
| Edgestream Partners, L.P.Hedge fund | 0.5% | $15.3M | 320,997 | +25.7% shares | Q2 2026 |
| Hennessy Advisors IncMutual fund manager | 0.5% | $14.1M | 362,081 | +0.8% shares | Q3 2026 |
| Graham Capital Management, L.P.Hedge fund | 0.4% | $10.6M | 223,547 | — | Q2 2026 |
| Bellars Harris Wealth Management, LLCWealth manager | 2.0% | $9.9M | 209,027 | — | Q2 2026 |
| Bfsg, LLCWealth manager | 0.8% | $9.4M | 196,737 | -0.7% shares | Q2 2026 |
The 30 largest of 53 positions, by value. Each manager counts with its latest 13F (Q3 2026: 8, Q2 2026: 45). Screen NI in the grand portfolio →
NI stock trades by members of Congress
Members of Congress have disclosed 13 NI trades since 2014, 0 purchases and 2 sales in the past year; the latest was Jefferson Shreve (R-IN), selling $50K–100K on May 12, 2025.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Jun 22, 2025 | Jefferson ShreveR-IN · House | Sale | $50K–100K | May 12, 2025 | +16.4% |
| May 16, 2025 | Dan NewhouseR-WA · House | Sale | $1K–15K | Apr 11, 2025 | +15.9% |
| Apr 25, 2024 | Dan NewhouseR-WA · House | Buy | $1K–15K | Apr 10, 2024 | +63.4% |
| Apr 23, 2021 | Lois FrankelD-FL · House | Sale | $1K–15K | Mar 19, 2021 | +88.3% |
| Jan 9, 2021 | Dean PhillipsD-MN · House | Sale | $1K–15K | Dec 18, 2020 | +99.2% |
| Jun 15, 2020 | Dean PhillipsD-MN · House | Sale | $1K–15K | May 13, 2020 | +99.1% |
| May 7, 2020 | Dean PhillipsD-MN · House | Buy | $1K–15K | Apr 2, 2020 | +89.9% |
| Dec 20, 2019 | Lois FrankelD-FL · House | Buy | $1K–15K | Dec 6, 2019 | +66.5% |
| Jun 13, 2019 | Dean PhillipsD-MN · House | Sale | $1K–15K | May 28, 2019 | +60.1% |
| Sep 25, 2015 | Lois FrankelD-FL · House | Buy | $1K–15K | Aug 26, 2015 | +167.1% |
| Aug 6, 2015 | Thomas MacArthurR-NJ · House | Sale | $15K–50K | Jul 20, 2015 | +163.8% |
| May 13, 2015 | Thomas MacArthurR-NJ · House | Buy | $50K–100K | Apr 2, 2015 | +157.1% |
| Aug 25, 2014 | Lois FrankelD-FL · House | Sale | $1K–15K | Aug 8, 2014 | +204.2% |
5 members have traded NI: Jefferson Shreve, Dan Newhouse, Lois Frankel, Dean Phillips, Thomas MacArthur.
NI questions and answers
Are insiders buying NI stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 NI insider filed 1 sale worth $1.6M on SEC Form 4, and no open-market purchases.
Which hedge funds own NI?
53 13F filers hold NI among their 50 largest positions, worth $3.7B combined, including Takis Sparaggis. The biggest bets by portfolio weight are Zimmer Partners, LP (4.8%), Beck Bode, LLC (3.4%) and Ausbil Investment Management Ltd (3.3%). In their latest 13Fs, 0 managers opened a new position and 12 added to one.
Has Congress traded NI?
Members of Congress have disclosed 13 NI trades since 2014, 0 purchases and 2 sales in the past year; the latest was Jefferson Shreve (R-IN), selling $50K–100K on May 12, 2025.
Who is the largest holder of NI?
Among 13F filers, T. Rowe Price Investment Management, Inc. reports the largest NI position, $1.4B (29,835,011 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Zimmer Partners, LP's: 4.8% of its portfolio.
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