Stock Ownership/FTEK

FUEL TECH INC (FTEK): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in FTEK · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
3
13F filers
Aggregate Value
$2.9M
Across holders
Last Price
$1.65
2026-10-09
Sector
Industrials
GICS
Quarterly fund activity0 increased3 reduced1 exited
Full exits: MARSHALL WACE, LLP
Institutional Holders of FTEK
↗
3 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund1.10M$2.4M85.5%0.0%Reduced$-675KQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund168K$372K13.1%0.0%Reduced$-154KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund19K$42K1.5%0.0%Reduced$-447KQ2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$2.4M· 85.5% of total· 0.0% port· 1.10M sh· $-675K QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$372K· 13.1% of total· 0.0% port· 168K sh· $-154K QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$42K· 1.5% of total· 0.0% port· 19K sh· $-447K QoQ· Q2 2026
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