Citadel Advisors
ACFN

Citadel Advisors’s Acorn Energy ACFN Stock Holding History

Citadel Advisors’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
2026
Q2 		$278K Buy
+16,321
New +$284K ﹤0.01% 11295
2025
Q4 		– Sell
-11,282
Closed -$323K – 14664
2025
Q3 		$323K Buy
+11,282
New +$312K ﹤0.01% 10193

Other funds holding ACFN

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BCM
Bridgeway Capital Management Houston, Texas $5.69B AUM 60.64% 1-Year Est. Return
MBAM
Mink Brook Asset Management West Palm Beach, Florida $227M AUM 64.76% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AIM
Access Investment Management Atlanta, Georgia $391M AUM 21.6% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
National Bank of Canada
National Bank of Canada Montreal, Quebec, Canada $140B AUM 46.34% 1-Year Est. Return

Citadel Advisors's ACFN Position: Q2 2026 in Review

Citadel Advisors opened a new position in Acorn Energy (ACFN) in Q2 2026: 16,321 shares worth $278K. The stake represents ﹤0.01% of the portfolio and ranks #11295 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in ACFN as recently as Q3 2025.

Citadel Advisors first reported a position in ACFN in Q3 2025 and has held it in 2 quarters since. The position peaked at $323K in Q3 2025. 12 funds tracked by Wall St. Rank hold ACFN as of Q2 2026.

  • Citadel Advisors held 16,321 shares of Acorn Energy worth $278K as of Q2 2026.
  • Acorn Energy was a new Citadel Advisors position in Q2 2026.
  • Acorn Energy made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #11295 holding.
  • Citadel Advisors first reported a position in Acorn Energy in Q3 2025 and has held it in 2 quarters since.
  • Citadel Advisors's Acorn Energy position peaked at $323K in Q3 2025.
  • 12 funds tracked by Wall St. Rank held Acorn Energy as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.