NiSource
784 hedge funds and large institutions have $19.3B invested in NiSource in 2025 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 272 increasing their positions, 272 reducing their positions, and 77 closing their positions.
167% more funds holding in top 10
Funds holding in top 10: 3 → 8 (+5)
129% more call options, than puts
Call options by funds: $171M | Put options by funds: $74.4M
29% more first-time investments, than exits
New positions opened: 99 | Existing positions closed: 77
5% more capital invested
Capital invested by funds: $18.3B → $19.3B (+$973M)
1% more funds holding
Funds holding: 773 → 784 (+11)
0% more repeat investments, than reductions
Existing positions increased: 272 | Existing positions reduced: 272
1.87% less ownership
Funds ownership: 96.41% → 94.54% (-1.9%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ZP
Zimmer Partners
New York
|
+$232M |
| 2 |
Millennium Management
New York
|
+$126M |
| 3 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$105M |
| 4 |
AP
Antipodes Partners
Royal Exchange,
Australia
|
+$80.4M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
+$67.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of Montreal
Toronto,
Ontario, Canada
|
-$112M |
| 2 |
Jennison Associates
New York
|
-$91.4M |
| 3 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$80.5M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$63.8M |
| 5 |
Cohen & Steers
New York
|
-$62.2M |
NI Hedge Fund Activity: Q3 2025 in Review
784 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in NiSource (NI) for Q3 2025, worth a combined $19.3B — up 5.3% from $18.3B a quarter earlier.
Buyers outnumbered sellers: 99 funds opened new NI positions and 77 closed out — a net gain of 22 holders — while 272 added to existing stakes and 272 trimmed.
The largest buyer was Zimmer Partners, adding an estimated $232M. The largest seller was Bank of Montreal, cutting an estimated $112M.
- 784 institutional investors held NiSource (NI) as of Q3 2025, up from 773 in Q2 2025.
- Funds reported $19.3B of NiSource stock for Q3 2025, up 5.3% quarter-over-quarter.
- 99 funds opened new NiSource positions in Q3 2025 and 77 closed out, a net change of +22 holders.
- The largest NiSource buyer in Q3 2025 was Zimmer Partners, an estimated $232M added.
- The largest NiSource seller in Q3 2025 was Bank of Montreal, an estimated $112M sold.
Based on aggregated 13F filings for Q3 2025.