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
2026
Q2 		$41.9K Buy
+12,705
New +$44K ﹤0.01% 13202
2025
Q4 		– Sell
-13,181
Closed -$36.6K – 12964
2025
Q3 		$36.6K Buy
+13,181
New +$31.7K ﹤0.01% 12328
2022
Q3 		– Sell
-4,536
Closed -$41K – 12852
2022
Q2 		$41K Buy
4,536
+2,643
+140% +$24.4K ﹤0.01% 12044
2022
Q1 		$18K Buy
+1,893
New +$23.6K ﹤0.01% 13270
2021
Q4 		– Sell
-4,561
Closed -$99K – 14002
2021
Q3 		$99K Buy
+4,561
New +$112K ﹤0.01% 12881
2021
Q2 		– Sell
-4,471
Closed -$144K – 13822
2021
Q1 		$144K Buy
+4,471
New +$153K ﹤0.01% 12095
2020
Q2 		– Sell
-597
Closed -$7K – 9924
2020
Q1 		$7K Buy
+597
New +$11.2K ﹤0.01% 9455
2019
Q4 		– Sell
-840
Closed -$14K – 9245
2019
Q3 		$14K Buy
+840
New +$13.6K ﹤0.01% 9005
2019
Q1 		– Sell
-1,181
Closed -$26K – 9387
2018
Q4 		$26K Buy
1,181
+501
+74% +$21.6K ﹤0.01% 8662
2018
Q3 		$49K Buy
680
+133
+24% +$10.1K ﹤0.01% 8810
2018
Q2 		$36K Sell
547
-169
-24% -$13.8K ﹤0.01% 8507
2018
Q1 		$63K Buy
716
+185
+35% +$17.5K ﹤0.01% 7855
2017
Q4 		$45K Buy
+531
New +$48.4K ﹤0.01% 7659
2017
Q1 		– Sell
-316
Closed -$47K – 7562
2016
Q4 		$47K Buy
+316
New +$50K ﹤0.01% 6881
2016
Q3 		– Sell
-427
Closed -$93K – 7335
2016
Q2 		$93K Buy
+427
New +$101K ﹤0.01% 6221
2015
Q4 		– Sell
-484
Closed -$200K – 8803
2015
Q3 		$200K Buy
+484
New +$242K ﹤0.01% 6156

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.