Renaissance Technologies
TGEN

Renaissance Technologies’s Tecogen Inc TGEN Stock Holding History

Renaissance Technologies’s Portfolio TGEN Stock Details TGEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$697K Buy
272,300
+218,000
+401% +$801K ﹤0.01% 2445
2025
Q4 		$268K Sell
54,300
-47,900
-47% -$360K ﹤0.01% 2801
2025
Q3 		$900K Buy
+102,200
New +$819K ﹤0.01% 2538

Other funds holding TGEN

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BA
Bard Associates Chicago, Illinois $398M AUM 54.32% 1-Year Est. Return
CHAM
Clear Harbor Asset Management Stamford, Connecticut $1.45B AUM 23.7% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return
HIM
Herald Investment Management London, United Kingdom $718M AUM 91.16% 1-Year Est. Return
ACM
Arosa Capital Management Miami Beach, Florida $660M AUM 210.26% 1-Year Est. Return
PIP
Palisades Investment Partners Santa Monica, California $255M AUM 50.52% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
MIM
Meros Investment Management Dallas, Texas $231M AUM 35.94% 1-Year Est. Return
GJL
Gendell Jeffrey L $7.34B AUM 183.72% 1-Year Est. Return

Renaissance Technologies's TGEN Position: Q1 2026 in Review

Renaissance Technologies increased its Tecogen Inc (TGEN) stake by 401% in Q1 2026, buying an estimated $801K and bringing the position to 272,300 shares worth $697K. The position accounts for ﹤0.01% of the portfolio, ranked #2445.

Renaissance Technologies first reported a position in TGEN in Q3 2025 and has held it in 3 quarters since. The position peaked at $900K in Q3 2025. 62 funds tracked by Wall St. Rank hold TGEN as of Q1 2026.

  • Renaissance Technologies held 272,300 shares of Tecogen Inc worth $697K as of Q1 2026.
  • Renaissance Technologies bought 218,000 Tecogen Inc shares in Q1 2026, an estimated $801K.
  • Tecogen Inc made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #2445 holding.
  • Renaissance Technologies first reported a position in Tecogen Inc in Q3 2025 and has held it in 3 quarters since.
  • Renaissance Technologies's Tecogen Inc position peaked at $900K in Q3 2025.
  • 62 funds tracked by Wall St. Rank held Tecogen Inc as of Q1 2026.

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