Renaissance Technologies’s Energy Focus EFOI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$19.8K Sell
10,300
-1,200
-10% -$2.41K ﹤0.01% 3169
2025
Q4
$26.6K Buy
+11,500
New +$28.4K ﹤0.01% 3127
2023
Q1
Sell
-3,171
Closed -$7K 4069
2022
Q4
$7K Sell
3,171
-10,720
-77% -$29.4K ﹤0.01% 4050
2022
Q3
$51K Sell
13,891
-14,168
-50% -$76.9K ﹤0.01% 3749
2022
Q2
$255K Buy
+28,059
New +$259K ﹤0.01% 3537
2020
Q4
Sell
-13,129
Closed -$631K 3452
2020
Q3
$631K Buy
13,129
+4,789
+57% +$233K ﹤0.01% 2738
2020
Q2
$404K Buy
+8,340
New +$213K ﹤0.01% 2934
2020
Q1
Sell
-2,325
Closed -$39K 3517
2019
Q4
$39K Sell
2,325
-285
-11% -$4.4K ﹤0.01% 3411
2019
Q3
$43K Sell
2,610
-598
-19% -$9.72K ﹤0.01% 3339
2019
Q2
$46K Buy
3,208
+1,478
+85% +$28.6K ﹤0.01% 3461
2019
Q1
$74K Buy
1,730
+693
+67% +$24.6K ﹤0.01% 3333
2018
Q4
$22K Buy
1,037
+520
+101% +$22.5K ﹤0.01% 3320
2018
Q3
$37K Buy
+517
New +$39.2K ﹤0.01% 3295
2016
Q1
Sell
-1,211
Closed -$583K 3407
2015
Q4
$583K Buy
1,211
+368
+44% +$188K ﹤0.01% 2684
2015
Q3
$348K Buy
+843
New +$422K ﹤0.01% 2724

Other funds holding EFOI

Renaissance Technologies's EFOI Position: Q1 2026 in Review

Renaissance Technologies reduced its Energy Focus (EFOI) stake by 10% in Q1 2026, selling an estimated $2.41K and leaving 10,300 shares worth $19.8K. The position accounts for ﹤0.01% of the portfolio, ranked #3169.

Renaissance Technologies first reported a position in EFOI in Q3 2015 and has held it in 15 quarters since. The position peaked at $631K in Q3 2020. 14 funds tracked by Wall St. Rank hold EFOI as of Q1 2026.

  • Renaissance Technologies held 10,300 shares of Energy Focus worth $19.8K as of Q1 2026.
  • Renaissance Technologies sold 1,200 Energy Focus shares in Q1 2026, an estimated $2.41K.
  • Energy Focus made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #3169 holding.
  • Renaissance Technologies first reported a position in Energy Focus in Q3 2015 and has held it in 15 quarters since.
  • Renaissance Technologies's Energy Focus position peaked at $631K in Q3 2020.
  • 14 funds tracked by Wall St. Rank held Energy Focus as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.