Marshall Wace’s Tecogen Inc TGEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$531K Sell
207,467
-78,858
-28% -$290K ﹤0.01% 2420
2025
Q4
$1.41M Buy
286,325
+237,236
+483% +$1.78M ﹤0.01% 1763
2025
Q3
$432K Buy
+49,089
New +$394K ﹤0.01% 2287

Other funds holding TGEN

Marshall Wace's TGEN Position: Q1 2026 in Review

Marshall Wace reduced its Tecogen Inc (TGEN) stake by 28% in Q1 2026, selling an estimated $290K and leaving 207,467 shares worth $531K. The position accounts for ﹤0.01% of the portfolio, ranked #2420.

Marshall Wace first reported a position in TGEN in Q3 2025 and has held it in 3 quarters since. The position peaked at $1.41M in Q4 2025. 62 funds tracked by Wall St. Rank hold TGEN as of Q1 2026.

  • Marshall Wace held 207,467 shares of Tecogen Inc worth $531K as of Q1 2026.
  • Marshall Wace sold 78,858 Tecogen Inc shares in Q1 2026, an estimated $290K.
  • Tecogen Inc made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2420 holding.
  • Marshall Wace first reported a position in Tecogen Inc in Q3 2025 and has held it in 3 quarters since.
  • Marshall Wace's Tecogen Inc position peaked at $1.41M in Q4 2025.
  • 62 funds tracked by Wall St. Rank held Tecogen Inc as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.