Renaissance Technologies’s Acorn Energy ACFN Stock Holding History

Renaissance Technologies’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 Q3	$392K	Buy	+19,580	New	+$381K	﹤0.01%	2701

Other funds holding ACFN

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Jane Street New York $1.19T AUM 51.51% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $463B AUM

Cerity Partners New York $87.3B AUM 22.01% 1-Year Est. Return

MBAM

Mink Brook Asset Management West Palm Beach, Florida $212M AUM 53.36% 1-Year Est. Return

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $83.6B AUM 19.78% 1-Year Est. Return

Vanguard Global Advisers Malvern, Pennsylvania $225B AUM

Renaissance Technologies's ACFN Position: Q3 2026 in Review

Renaissance Technologies opened a new position in Acorn Energy (ACFN) in Q3 2026: 19,580 shares worth $392K. The stake represents ﹤0.01% of the portfolio and ranks #2701 among its holdings.

13 funds tracked by Wall St. Rank hold ACFN as of Q3 2026.

Renaissance Technologies held 19,580 shares of Acorn Energy worth $392K as of Q3 2026.
Acorn Energy was a new Renaissance Technologies position in Q3 2026.
Acorn Energy made up ﹤0.01% of Renaissance Technologies's portfolio in Q3 2026, its #2701 holding.
13 funds tracked by Wall St. Rank held Acorn Energy as of Q3 2026.

Based on Renaissance Technologies's 13F filing for Q3 2026, filed 12 Nov 2026.