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Water Island Capital’s NorthWestern Energy NWE Stock Holding History

Water Island Capital’s Portfolio NWE Stock Details NWE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$912K Sell
13,838
-469
-3% -$31.8K 0.1% 76
2025
Q4 		$923K Buy
14,307
+4
+0% +$253 0.1% 79
2025
Q3 		$838K Buy
+14,303
New +$789K 0.11% 74

Other funds holding NWE

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Water Island Capital's NWE Position: Q1 2026 in Review

Water Island Capital reduced its NorthWestern Energy (NWE) stake by 3.3% in Q1 2026, selling an estimated $31.8K and leaving 13,838 shares worth $912K. The position accounts for 0.1% of the portfolio, ranked #76.

Water Island Capital first reported a position in NWE in Q3 2025 and has held it in 3 quarters since. The position peaked at $923K in Q4 2025. 370 funds tracked by Wall St. Rank hold NWE as of Q1 2026.

  • Water Island Capital held 13,838 shares of NorthWestern Energy worth $912K as of Q1 2026.
  • Water Island Capital sold 469 NorthWestern Energy shares in Q1 2026, an estimated $31.8K.
  • NorthWestern Energy made up 0.1% of Water Island Capital's portfolio in Q1 2026, its #76 holding.
  • Water Island Capital first reported a position in NorthWestern Energy in Q3 2025 and has held it in 3 quarters since.
  • Water Island Capital's NorthWestern Energy position peaked at $923K in Q4 2025.
  • 370 funds tracked by Wall St. Rank held NorthWestern Energy as of Q1 2026.

Based on Water Island Capital's 13F filing for Q1 2026, filed 15 May 2026.