TECOGEN INC NEW (TGEN): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in TGEN · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
4
13F filers
Aggregate Value
$1.8M
Across holders
Last Price
$2.47
2026-10-08
Sector
Industrials
GICS
Quarterly fund activity2 increased1 reduced2 exited
Full exits: RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA INVESTMENTS, LP
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 242K | $1.3M | 68.7% | 0.0% | Added | +$741K | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 55K | $286K | 15.6% | 0.0% | Reduced | $-311K | Q2 2026 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 40K | $209K | 11.4% | 0.0% | Unchanged | +$0 | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 15K | $80K | 4.4% | 0.0% | Added | — | Q2 2026 |
Added
Hedge Fund
$1.3M· 68.7% of total· 0.0% port· 242K sh· +$741K QoQ· Q2 2026
Reduced
Hedge Fund
$286K· 15.6% of total· 0.0% port· 55K sh· $-311K QoQ· Q2 2026
Unchanged
Institutional Manager
$209K· 11.4% of total· 0.0% port· 40K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$80K· 4.4% of total· 0.0% port· 15K sh· — QoQ· Q2 2026
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