Millennium Management
TGEN

Millennium Management’s Tecogen Inc TGEN Stock Holding History

Millennium Management’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 		– Sell
-22,507
Closed -$111K – 6555
2025
Q4 		$111K Sell
22,507
-25,738
-53% -$193K ﹤0.01% 5614
2025
Q3 		$425K Buy
+48,245
New +$387K ﹤0.01% 5176
2018
Q2 		– Sell
-12,597
Closed -$36K – 4257
2018
Q1 		$36K Sell
12,597
-18,111
-59% -$44.1K ﹤0.01% 3552
2017
Q4 		$83K Buy
+30,708
New +$85.3K ﹤0.01% 3685
2017
Q3 		– Sell
-19,554
Closed -$65K – 3934
2017
Q2 		$65K Buy
19,554
+149
+0.8% +$534 ﹤0.01% 3345
2017
Q1 		$74K Sell
19,405
-6,151
-24% -$24.1K ﹤0.01% 3354
2016
Q4 		$107K Sell
25,556
-7,862
-24% -$32.4K ﹤0.01% 3182
2016
Q3 		$139K Buy
+33,418
New +$157K ﹤0.01% 3067

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
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Millennium Management's TGEN Position: Q1 2026 in Review

Millennium Management sold out of Tecogen Inc (TGEN) in Q1 2026, closing a stake of 22,507 shares — an estimated $111K sold.

Millennium Management first reported a position in TGEN in Q3 2016 and held it in 8 quarters. The position peaked at $425K in Q3 2025. 62 funds tracked by Wall St. Rank hold TGEN as of Q1 2026.

  • Millennium Management reported no remaining Tecogen Inc position as of Q1 2026 after selling out during the quarter.
  • Millennium Management sold 22,507 Tecogen Inc shares in Q1 2026, an estimated $111K.
  • Millennium Management first reported a position in Tecogen Inc in Q3 2016 and held it in 8 quarters.
  • Millennium Management's Tecogen Inc position peaked at $425K in Q3 2025.
  • 62 funds tracked by Wall St. Rank held Tecogen Inc as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.