Vanguard Group
ACFN

Vanguard Group’s Acorn Energy ACFN Stock Holding History

Vanguard Group’s Portfolio ACFN Stock Details ACFN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$549K Buy
36,362
+4,872
+15% +$93.8K ﹤0.01% 3921
2025
Q3 		$901K Buy
+31,490
New +$871K ﹤0.01% 3817

Other funds holding ACFN

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
AIM
Access Investment Management Atlanta, Georgia $376M AUM 17.2% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
National Bank of Canada
National Bank of Canada Montreal, Quebec, Canada $112B AUM 31.26% 1-Year Est. Return
FDCDDQ
Federation des caisses Desjardins du Quebec Levis, Quebec, Canada $27.8B AUM 31.66% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Vanguard Group's ACFN Position: Q4 2025 in Review

Vanguard Group increased its Acorn Energy (ACFN) stake by 15% in Q4 2025, buying an estimated $93.8K and bringing the position to 36,362 shares worth $549K. The position accounts for ﹤0.01% of the portfolio, ranked #3921.

Vanguard Group first reported a position in ACFN in Q3 2025 and has held it in 2 quarters since. The position peaked at $901K in Q3 2025. 10 funds tracked by Wall St. Rank hold ACFN as of Q4 2025.

  • Vanguard Group held 36,362 shares of Acorn Energy worth $549K as of Q4 2025.
  • Vanguard Group bought 4,872 Acorn Energy shares in Q4 2025, an estimated $93.8K.
  • Acorn Energy made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #3921 holding.
  • Vanguard Group first reported a position in Acorn Energy in Q3 2025 and has held it in 2 quarters since.
  • Vanguard Group's Acorn Energy position peaked at $901K in Q3 2025.
  • 10 funds tracked by Wall St. Rank held Acorn Energy as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.