Citadel Advisors
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Citadel Advisors’s Energy Focus EFOI Stock Holding History

Citadel Advisors’s Portfolio EFOI Stock Details EFOI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2019
Q1 		– Sell
-383
Closed -$8K – 9388
2018
Q4 		$8K Sell
383
-106
-22% -$4.58K ﹤0.01% 8955
2018
Q3 		$35K Buy
489
+112
+30% +$8.5K ﹤0.01% 8887
2018
Q2 		$25K Buy
+377
New +$30.8K ﹤0.01% 8596

Other funds holding EFOI

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
HCA
Heck Capital Advisors Rhinelander, Wisconsin $1.67B AUM 26.33% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Citadel Advisors's EFOI Position: Q2 2026 in Review

Citadel Advisors opened a new position in Energy Focus (EFOI) in Q2 2026: 12,705 shares worth $41.9K. The stake represents ﹤0.01% of the portfolio and ranks #13202 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in EFOI as recently as Q3 2025.

Citadel Advisors first reported a position in EFOI in Q3 2015 and has held it in 16 quarters since. The position peaked at $200K in Q3 2015. 16 funds tracked by Wall St. Rank hold EFOI as of Q2 2026.

  • Citadel Advisors held 12,705 shares of Energy Focus worth $41.9K as of Q2 2026.
  • Energy Focus was a new Citadel Advisors position in Q2 2026.
  • Energy Focus made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #13202 holding.
  • Citadel Advisors first reported a position in Energy Focus in Q3 2015 and has held it in 16 quarters since.
  • Citadel Advisors's Energy Focus position peaked at $200K in Q3 2015.
  • 16 funds tracked by Wall St. Rank held Energy Focus as of Q2 2026.

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