Jeff Yass’s Acorn Energy ACFN Stock Holding History

Jeff Yass’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 Q1	–	Sell	-11,400	Closed	-$172K	–	14502
2025 Q4	$172K	Buy	+11,400	New	+$219K	﹤0.01%	11033

Other funds holding ACFN

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

MBAM

Mink Brook Asset Management West Palm Beach, Florida $227M AUM 64.76% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return

AIM

Access Investment Management Atlanta, Georgia $391M AUM 21.6% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

National Bank of Canada Montreal, Quebec, Canada $140B AUM 46.34% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return

FDCDDQ

Federation des caisses Desjardins du Quebec Levis, Quebec, Canada $32.7B AUM 35.71% 1-Year Est. Return

Jeff Yass's ACFN Position: Q1 2026 in Review

Jeff Yass sold out of Acorn Energy (ACFN) in Q1 2026, closing a stake of 11,400 shares — an estimated $172K sold.

Jeff Yass first reported a position in ACFN in Q4 2025 and held it in 1 quarter. The position peaked at $172K in Q4 2025. 10 funds tracked by Wall St. Rank hold ACFN as of Q1 2026.

Jeff Yass reported no remaining Acorn Energy position as of Q1 2026 after selling out during the quarter.
Jeff Yass sold 11,400 Acorn Energy shares in Q1 2026, an estimated $172K.
Jeff Yass first reported a position in Acorn Energy in Q4 2025 and held it in 1 quarter.
Jeff Yass's Acorn Energy position peaked at $172K in Q4 2025.
10 funds tracked by Wall St. Rank held Acorn Energy as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.