Who Owns Tecogen Inc. (TGEN)?Hedge Fund & Institutional Holders

$2.74+0.03 (+1.08%)IndustrialsAMEX

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$3.404000300000022e+181T

% of Float Held

QoQ Change in Holders

+14 / -6

Price History

$1.66$4.26$6.87$9.47$12.07Feb 25Sep 25Mar 26

TGEN — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Clear Harbor Asset Management, LLCNew Position+610K+$3.0B
Palisades Investment Partners, LLCNew Position+390K+$1.9B
THOMPSON DAVIS & CO., INC.New Position+120K+$595.0M
UBS Group AGIncreased+95K+$432.5M
PFG Investments, LLCNew Position+63K+$308.0M
IMC-Chicago, LLCNew Position+43K+$212.0M
J.W. COLE ADVISORS, INC.New Position+26K+$129.0M
Hidden Cove Wealth Management, LLCNew Position+21K+$104.0M
Caitong International Asset Management Co., LtdNew Position+782+$3.0M
State of WyomingNew Position+538+$2.0M
HARBOR CAPITAL ADVISORS, INC.New Position+40K+$200K
Ark Wealth Advisors LLCNew Position+15K+$73K
OMERS ADMINISTRATION CorpNew Position+42K+$0
BNP PARIBAS FINANCIAL MARKETSNew Position+214+$0
GSA CAPITAL PARTNERS LLPNew Position+19K+$0

TGEN — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
Portolan Capital Management, LLCDecreased-150K-$3.0B
BARD ASSOCIATES INCDecreased-2K-$2.7B
Integrated Wealth Concepts LLCClosed Position-216K-$1.9B
CITADEL ADVISORS LLCDecreased-165K-$1.9B
RAYMOND JAMES FINANCIAL INCDecreased-58K-$1.4B
APIS CAPITAL ADVISORS, LLCClosed Position-153K-$1.3B
TWO SIGMA INVESTMENTS, LPDecreased-28K-$1.2B
GOLDMAN SACHS GROUP INCDecreased-65K-$1.2B
ROYAL BANK OF CANADADecreased-37K-$1.1B
RENAISSANCE TECHNOLOGIES LLCDecreased-48K-$900.4M
Russell Investments Group, Ltd.Closed Position-95K-$834.3M
Manatuck Hill Partners, LLCClosed Position-50K-$440.5M
MILLENNIUM MANAGEMENT LLCDecreased-26K-$425.0M
ARS Investment Partners, LLCClosed Position-43K-$380.4M
Heron Bay Capital ManagementClosed Position-37K-$327.4M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1BARD ASSOCIATES INC689,107$3.4B0.87%Share
2Clear Harbor Asset Management, LLC610,000$3.0B0.20%Share
3Portolan Capital Management, LLC445,810$2.2B0.12%Share
4Palisades Investment Partners, LLC390,212$1.9B0.73%Share
5TWO SIGMA INVESTMENTS, LP218,628$1.0B1.41%Share
6SUSQUEHANNA INTERNATIONAL GROUP, LLP302,911$1.0B0.12%Share
7Granahan Investment Management, LLC177,822$878.0M0.04%Share
8Caption Management, LLC150,000$741.0M5.08%Call
9THOMPSON DAVIS & CO., INC.120,450$595.0M0.36%Share
10UBS Group AG101,528$501.0M0.08%Share
11PFG Investments, LLC62,523$308.0M0.01%Share
12GROUP ONE TRADING LLC56,578$279.0M0.49%Share
13Diametric Capital, LP53,227$262.0M0.07%Share
14IMC-Chicago, LLC52,100$257.0M0.09%Put
15GROUP ONE TRADING LLC43,500$214.0M0.37%Put
16IMC-Chicago, LLC42,955$212.0M0.08%Share
17GAMCO INVESTORS, INC. ET AL40,000$197.0M1.89%Share
18J.W. COLE ADVISORS, INC.26,300$129.0M0.00%Share
19GROUP ONE TRADING LLC22,600$111.0M0.19%Call
20Hidden Cove Wealth Management, LLC21,087$104.0M0.07%Share
21Centiva Capital, LP18,400$90.0M0.73%Call
22UBS Group AG3,428$16.0M0.00%Share
23Caitong International Asset Management Co., Ltd782$3.0M0.01%Share
24VANGUARD GROUP INC769,964$3.0M0.04%Share
25HERALD INVESTMENT MANAGEMENT Ltd420,000$2.1M0.27%Share
26State of Wyoming538$2.0M0.00%Share
27Arosa Capital Management LP350,000$1.7M0.22%Share
28GENDELL JEFFREY L295,541$1.5M0.03%Share
29MARSHALL WACE, LLP211,123$1.0M0.00%Share
30CORSAIR CAPITAL MANAGEMENT, L.P.55,017$271K0.04%Share
31HARBOR CAPITAL ADVISORS, INC.40,447$200K0.02%Share
32Ark Wealth Advisors LLC14,881$73K0.08%Share
33SHIKIAR ASSET MANAGEMENT INC13,300$66K0.02%Share
34EverSource Wealth Advisors, LLC1,000$4K0.00%Share
35MORGAN STANLEY48,442$00.00%Share
36BlackRock, Inc.6,581$00.00%Share
37BlackRock, Inc.184,779$00.00%Share
38OSAIC HOLDINGS, INC.500$00.00%Share
39XTX Topco Ltd54,763$00.00%Share
40ROYAL BANK OF CANADA84,519$00.00%Share
41ROYAL BANK OF CANADA1,000$00.00%Share
42ROYAL BANK OF CANADA26$00.00%Share
43BRIDGEWAY CAPITAL MANAGEMENT, LLC25,500$00.00%Share
44Quantbot Technologies LP22,820$00.00%Share
45UBS Group AG3$00.00%Share
46COMMONWEALTH EQUITY SERVICES, LLC11,774$00.00%Share
47RENAISSANCE TECHNOLOGIES LLC54,300$00.00%Share
48RAYMOND JAMES FINANCIAL INC99,754$00.00%Share
49MILLENNIUM MANAGEMENT LLC22,507$00.00%Share
50SUSQUEHANNA INTERNATIONAL GROUP, LLP124,700$00.00%Put

TGEN Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202566$16.0B+9
Q3 202557$35.8B+31
Q2 202526$12.0B+25
Q1 20251$28K+0
Q4 20231$0+0
Q3 20231$0+0
Q2 20231$0+0
Q1 20231$0

Similar Stocks by Institutional Ownership

As of Q4 2025, 50 institutional investors hold TGEN (Tecogen Inc.). The largest holder is BARD ASSOCIATES INC with $3.4B in shares. This quarter, 14 institutions opened new positions and 6 closed their positions.

Frequently Asked Questions

How many hedge funds own TGEN?

As of Q4 2025, 50 institutional investors report holding TGEN (Tecogen Inc.) in their 13F filings.

Who is the largest institutional holder of TGEN?

The largest institutional holder of TGEN is BARD ASSOCIATES INC with $3.4B in shares.

Is institutional ownership of TGEN increasing or decreasing?

This quarter, 14 institutions opened new positions in TGEN and 6 closed their positions.