Clean Energy Fuels

CLNE • NASDAQ

Clean Energy Fuels is a oil & gas refining & marketing company in the energy sector on NASDAQ, led by Mitchell W. Pratt, with a market cap of $495.6M. As of Q3 2025, 47% of shares are held by 190 institutional investors, with BlackRock, Inc. as the largest holder at 7.17%.

Chief Executive OfficerMitchell W. Pratt

Market Cap$495.6M

Oil & Gas Refining & Marketing

Energy

Employees566.0

Websitecleanenergyfuels.com

Country

United States of America

Overview

Overview of institutional ownership in CLNE as of Q3 2025 with a market cap of $565.8M

All Institutions

Institutions: 190
Value Held: $266.3M
Shares Held: 103.2M
Avg Position: $1.4M
Median Position: $95.0K

Hedge Funds

Hedge Funds: 20
Value Held: $18.0M
Shares Held: 7.0M
Avg Position: $898.1K
Median Position: $321.0K

Ownership Breakdown

Institutional (non-HF)

43.89%

$248.3M

Hedge Funds

3.17%

$18.0M

Retail & Other

52.93%

$299.5M

Based on market cap of $565.8M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in CLNE as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$40.6M 0.00% of portfolio	7.17% 15.7M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
G Grantham, Mayo, Van Otterloo & Co. LLC Long Only Manager	William Michael May Owner	$30.6M 0.09% of portfolio	5.40% 11.9M shares	Q1 2021 Held for 4y 8m	$35.4B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$29.4M 0.00% of portfolio	5.20% 11.4M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$21.2M 0.00% of portfolio	3.75% 8.2M shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
Global Alpha Capital Management Ltd. Long Only Manager	Robert Beauregard President	$18.1M 1.03% of portfolio	3.20% 7.0M shares	Q3 2020 Held for 5y 2m	$1.7B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$14.6M 0.00% of portfolio	2.58% 5.6M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$11.0M 0.00% of portfolio	1.94% 4.3M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
E ECP ControlCo, LLC Institution	-	$6.7M 4.20% of portfolio	1.18% 2.6M shares	Q3 2022 Held for 3y 2m	$159.5M
JPMORGAN CHASE & CO Institution	Jamie Dimon CEO	$6.3M 0.00% of portfolio	1.12% 2.5M shares	Q1 2016 Held for 9y 8m	$1.56T
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$6.2M 0.00% of portfolio	1.09% 2.4M shares	≤ Q2 2013 Held for 12y 5m+	$1.65T

Net Capital Flow

Institutional buying and selling activity for CLNE in Q3 2025

Traded: +$886.1K
Buyers: 72
Sellers: 99
Total Bought: +$25.4M
Total Sold: −$24.5M
Avg Position: $1.2M

Biggest Buyers

Institution	Net Bought	Current Position
JPMORGAN CHASE & CO Institution	+$6.1M +2.4M shares	$6.3M 2.5M shares
D D. E. Shaw & Co., Inc. Institution	+$3.7M +1.4M shares	$5.7M 2.2M shares
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	+$1.9M +734.1K shares	$2.6M 999.7K shares
ALGERT COLDIRON INVESTORS LLC Hedge Fund•Quant	+$1.9M +728.5K shares	$2.1M 800.8K shares
Brandywine Global Investment Management, LLC Long Only Manager	+$1.4M +556.3K shares	$1.4M 556.3K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$1.4M +524.8K shares	$3.5M 1.3M shares
VANGUARD GROUP INC Institution	+$880.6K +341.3K shares	$29.4M 11.4M shares
C CAXTON ASSOCIATES LLP Institution	+$820.7K +318.1K shares	$820.7K 318.1K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$716.5K +277.7K shares	$2.2M 862.1K shares
N NATIXIS Institution	+$704.3K +273.0K shares	$704.3K 273.0K shares

Biggest Sellers

Institution	Net Sold	Current Position
Global Alpha Capital Management Ltd. Long Only Manager	−$4.5M −1.7M shares	$18.1M 7.0M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$4.2M −1.6M shares	$469.2K 181.9K shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	−$1.9M −728.3K shares	$21.2M 8.2M shares
MORGAN STANLEY RIA/Wealth	−$1.8M −709.7K shares	$6.2M 2.4M shares
ING INVESTMENT MANAGEMENT LLC Insurance Manager	−$880.2K −341.2K shares	$2.6M 1.0M shares
M Manatuck Hill Partners, LLC Hedge Fund•Long/Short	−$877.5K −450.0K shares	Sold Off 0 shares
UBS Group AG Institution	−$867.1K −336.1K shares	$622.9K 241.5K shares
BANK OF AMERICA CORP /DE/ Institution	−$784.2K −303.9K shares	$763.4K 295.9K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$765.5K −296.7K shares	$859.9K 333.3K shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	−$552.8K −283.5K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited CLNE in Q3 2025

New Positions: 9
New Value: $955.6K
Exited Positions: 36
Exited Value: $4.5M

New Positions

Institution	Position Value
C CAXTON ASSOCIATES LLP Institution	$820.7K 318.1K shares
Consolidated Portfolio Review Corp RIA/Wealth	$103.5K 40.1K shares
S State of Alaska, Department of Revenue Institution	$19.8K 7.7K shares
SRS Capital Advisors, Inc. RIA/Wealth	$6.1K 2.4K shares
Strategic Advocates LLC RIA/Wealth	$2.6K 1.0K shares
Quaker Wealth Management, LLC RIA/Wealth	$1.8K 700.0 shares
P Parkside Financial Bank & Trust Institution	$586.0 227.0 shares
ROBBINS FARLEY LLC RIA/Wealth	$516.0 200.0 shares
Sontag Advisory, LLC RIA/Wealth	$142.0 55.0 shares

Exited Positions

Institution	Previous Position
M Manatuck Hill Partners, LLC Hedge Fund•Long/Short	$877.5K 450.0K shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	$552.8K 283.5K shares
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	$481.2K 246.8K shares
E EntryPoint Capital, LLC Hedge Fund•Long/Short	$419.3K 215.0K shares
S STIFEL FINANCIAL CORP Long Only Manager	$321.9K 165.1K shares
M Man Group plc Institution	$296.6K 152.1K shares
WHITE PINE CAPITAL LLC RIA/Wealth	$292.6K 150.0K shares
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$164.4K 84.3K shares
McElhenny Sheffield Capital Management, LLC Long Only Manager	$144.6K 150.0K shares
ARP AMERICAS LLC Hedge Fund•Multi-Strategy	$104.1K 53.4K shares

Options Activity

Institutions with the largest Call and Put options positions in CLNE as of Q3 2025

Call Positions: 6
Call Value: $1.7M
Put Positions: 5
Put Value: $440.5K

Call Positions

Institution	Position Value
ARDSLEY ADVISORY PARTNERS Hedge Fund•Long/Short	$1.3M 5.0K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$150.7K 584.0 contracts
W WOLVERINE TRADING, LLC Institution	$137.4K 509.0 contracts
INTEGRITY WEALTH ADVISORS, INC. RIA/Wealth	$51.6K 200.0 contracts
Walleye Trading LLC RIA/Wealth	$41.5K 161.0 contracts
Y Yaupon Capital Management LP Hedge Fund•Multi-Strategy	- - contracts

Put Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$342.4K 1.3K contracts
W WOLVERINE TRADING, LLC Institution	$61.0K 226.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$32.5K 126.0 contracts
Walleye Trading LLC RIA/Wealth	$4.6K 18.0 contracts
J JANE STREET GROUP, LLC Institution	- - contracts

Most Committed Institutions

Institutions with CLNE as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Stonepeak GP Investors Holdings Manager LLC Real Assets	Michael Brian Dorrell CEO	100.00% $2.6M	0.46% 1.0M shares	Q2 2025 Held for 5 months	$2.6M
E ECP ControlCo, LLC Institution	-	4.20% $6.7M	1.18% 2.6M shares	Q3 2022 Held for 3y 2m	$159.5M
Global Alpha Capital Management Ltd. Long Only Manager	Robert Beauregard President	1.03% $18.1M	3.20% 7.0M shares	Q3 2020 Held for 5y 2m	$1.7B
S SIR Capital Management, L.P. Hedge Fund•Long/Short	Mirco Ronald Elias CFO	0.42% $4.6M	0.82% 1.8M shares	Q2 2023 Held for 2y 5m	$1.1B
IRIDIAN ASSET MANAGEMENT LLC/CT Hedge Fund•Long/Short	Todd Dunkin Raker CEO	0.14% $365.2K	0.06% 141.5K shares	Q1 2024 Held for 1y 8m	$254.1M
EagleClaw Capital Managment, LLC RIA/Wealth	Katherine Rose Kelliher CCO	0.10% $742.1K	0.13% 287.6K shares	Q1 2019 Held for 6y 8m	$714.9M
GMT CAPITAL CORP Hedge Fund•Long/Short	Thomas Eugene Claugus President	0.09% $2.0M	0.35% 767.8K shares	Q1 2023 Held for 2y 8m	$2.2B
G Grantham, Mayo, Van Otterloo & Co. LLC Long Only Manager	William Michael May Owner	0.09% $30.6M	5.40% 11.9M shares	Q1 2021 Held for 4y 8m	$35.4B
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager	John Noland Ryan Montgomery CEO	0.07% $3.2M	0.57% 1.2M shares	Q1 2025 Held for 8 months	$4.7B
X XTX Topco Ltd Institution	-	0.05% $925.6K	0.16% 358.8K shares	Q4 2023 Held for 1y 11m	$1.9B

Hedge Fund Spotlight

Discover hedge funds investing in CLNE

ARDSLEY ADVISORY PARTNERS

Hedge Fund • Long/Short

Portfolio ManagerSteven Nicholas Napoli

Portfolio Value: $641.4M
Positions: 96
Last Reported: Q3 2025

Sector Allocation

Position in Clean Energy Fuels

Market Value: $129.0K
Shares Held: 50.0K
Portfolio Weight: 0.02%
Owned Since: 2021-Q1

Top Holding	Sector	Market Value	Weight
1 First Solar FSLR	Solar Energy	$28.4M	4.44%
2 Hut 8 Mining Corp. HUT	Financial - Capital Markets Financial Services	$27.8M	4.34%
3 Sunrun RUN	Solar Energy	$27.7M	4.31%