EFOI β€” ENERGY FOCUS INC

Ownership history in RENAISSANCE TECHNOLOGIES LLC  Β·  16 quarters on record

This page tracks every 13F SEC filing in which RENAISSANCE TECHNOLOGIES LLC reported a position in ENERGY FOCUS INC (EFOI). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β€” sourced directly from SEC EDGAR 13F filings.

Position Intelligence

RENAISSANCE TECHNOLOGIES LLC Γ— EFOI AI Analytics

πŸ“‰ RENAISSANCE TECHNOLOGIES LLC underperformed the S&P 500 by –126.5% annually on this EFOI position. Timing score: 78% (7/9 decisions correct). Average cost basis: $224.97. Maximum drawdown during holding period: –99.9%.

πŸ“ˆ Position Alpha vs SPY
-126.5%
annualised excess return

❌ Significantly underperformed the S&P 500 by 126.5% ann.
15 quarters analyzed

⏱️ Timing Score
78%

🎯 Smart timing β€” consistently buying dips and trimming near peaks.
7 of 9 add/trim decisions correct

πŸ’° Entry Quality
$224.97
-99.0% vs current ($2.31)

Best entry: $14.35 (2019 Q2)  Β·  Worst: $1295.77 (1999 Q1)

πŸ›‘οΈ Drawdown Resilience
–99.9%
max drawdown while held

πŸ’ͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.

πŸ’ͺ Fund Conviction
60%
buy-side decisions

6 adds Β· 4 trims. Bought during 3 of 7 down-price quarters. πŸ“ˆ More buys than sells across the holding period.

πŸ“‘ Position Trajectory
β†’ Stable
last 4–5 quarters trend

βš–οΈ Portfolio weight has remained relatively stable β€” conviction maintained.
Currently 0.0% of portfolio

⚠ Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ— 4 (annualised). Not investment advice.

% of Fund (quarterly)    EFOI price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 10 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 11,500 -69,864 -85.9% 0.00% $27K $2.31
2019 Q4 REDUCED 81,364 -10,000 -10.9% 0.00% $39K $16.45
2019 Q3 REDUCED 91,364 -20,900 -18.6% 0.00% $43K $16.45
2019 Q2 ADDED 112,264 +51,717 +85.4% 0.00% $46K $14.35
2019 Q1 ADDED 60,547 +24,247 +66.8% 0.00% $74K $42.70
2018 Q4 ADDED 36,300 +18,200 +100.6% 0.00% $22K $21.70
2018 Q3 REDUCED 18,100 -24,300 -57.3% 0.00% $37K $71.75
2015 Q4 ADDED 42,400 +12,900 +43.7% 0.00% $583K $481.25
2015 Q3 ADDED 29,500 +18,000 +156.5% 0.00% $348K $413.35
2000 Q3 UNCHANGED 11,500 β€” 0% 0.00% $27K $2571.13
6 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding EFOI

As of 2025 Q4 β€” sorted by position size

DRW Securities, LLC 3Y 7Y 0.0% Tower Research Capital LLC (TRC) 3Y 7Y 0.0% GEODE CAPITAL MANAGEMENT, LLC 3Y 7Y 0.0% VANGUARD GROUP INC 3Y 7Y 0.0% CITIGROUP INC 3Y 7Y 0.0% CIBC Private Wealth Group LLC 3Y 7Y 0.0% BlackRock, Inc. 0.0% Federation des caisses Desjardins du Quebec 0.0% MORGAN STANLEY 3Y 7Y 0.0% OSAIC HOLDINGS, INC. 3Y 0.0%
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