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Jim Simons's Tecogen Inc. (TGEN) position

Yes: as of Q1 2026, Jim Simons holds 272K shares of TGEN worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was increased by 401.5%. First disclosed Q3 2025.
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Current value
an amount we cannot price
Shares held
272K
% of portfolio
0.0%
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

TGEN price vs Simons's position

Dates
$3.45$3.5$3.55$3.6← Earlier —2 purchases, 1 sell
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +218K +401.5% 272K May 14, 2026
Q4 2025 Reduced −48K −46.9% 54K Feb 12, 2026
Q3 2025 New +102K 102K Nov 13, 2025
Data through Q1 2026 · filed May 14, 2026
3 grouped rows from 3 quarters

More Simons positions

Common questions

Does Jim Simons own TGEN?

Yes. As of Q1 2026, Jim Simons disclosed 272K shares of TGEN, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy TGEN?

Jim Simons first disclosed a TGEN position in Q3 2025; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell TGEN?

The quarter-by-quarter table above shows each sale and reduction Jim Simons disclosed in TGEN. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of TGEN does Jim Simons own?

Jim Simons disclosed 272K shares of TGEN as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for TGEN?

Jim Simons began building the TGEN position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.