FCEL · Fuelcell Energy Inc · Shareholders & Ownership

$13.18 +0.78 (+6.28%)

Russell 2000 member Rebalance outlook locked

Market Cap

$991.43M

79.95M

Volume · Oct 21 4.34M Avg daily vol (3M) 7.57M

Every disclosed holder of FCEL in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns FCEL

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	223	41,556,211	51.98%	Yes
Insiders (Forms 3, 4, 5)	9	209,508	0.26%	Yes
13D/G-only blocks	1	6,001,029	7.51%	Yes
Remaining	—	32,187,448	40.26%	Rest
Registered funds (N-PORT, not summed)	136	13,349,992	16.70%	No

Shares outstanding: 79,954,196, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of FCEL

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	Alex Meruelo 13G CIK 1075186 · Unknown · Oct 7, 2026 Rule 13d-1(c), passive investor	6,001,029	7.51%	+2,290,529	Oct 7, 2026	Rule 13d-1(c), passive investor
2	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	4,311,575	5.39%	+3,275,840	Jun 30, 2026	carried, not yet filed for the newest quarter
2.1	BlackRock, Inc. 13G CIK 2012383 · Holding company · Jun 30, 2026 Rule 13d-1(b), qualified institution, not summed	4,165,779	5.21%	+3,681,909	Jun 30, 2026	Rule 13d-1(b), qualified institution, not summed
2.2	iShares Russell 2000 ETF Fund S000004344 · Registered fund · Jun 30, 2026 iShares Trust, not summed	1,413,172	1.77%	—	Jun 30, 2026	iShares Trust, not summed
2.3	iShares Russell 2000 Value ETF Fund S000004342 · Registered fund · Jun 30, 2026 iShares Trust, not summed	507,911	0.64%	—	Jun 30, 2026	iShares Trust, not summed
2.4	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	181,827	0.23%	+60,374	Jun 30, 2026	iShares Trust, not summed
2.5	Master Small Cap Index Series Fund S000002716 · Registered fund · Jun 30, 2026 Quantitative Master Series LLC, not summed	101,475	0.13%	—	Jun 30, 2026	Quantitative Master Series LLC, not summed
3	Legal & General Group Plc 13F CIK 764068 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	2,419,645	3.03%	-446,101	Jun 30, 2026	carried, not yet filed for the newest quarter
3.1	Legal & General Group Plc 13G CIK 764068 · Unknown · Jun 30, 2026 Rule 13d-1(b), qualified institution, not summed	2,419,645	3.03%	-473,538	Jun 30, 2026	Rule 13d-1(b), qualified institution, not summed
4	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,332,924	2.92%	+151,160	Jun 30, 2026	carried, not yet filed for the newest quarter
5	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	2,143,908	2.68%	+1,910,356	Jun 30, 2026	carried, not yet filed for the newest quarter
5.1	State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF Fund S000063362 · Registered fund · Jun 30, 2026 SPDR SERIES TRUST, not summed	601,660	0.75%	—	Jun 30, 2026	SPDR SERIES TRUST, not summed
5.2	State Street(R) SPDR(R) S&P Kensho Clean Power ETF Fund S000063360 · Registered fund · Jun 30, 2026 SPDR SERIES TRUST, not summed	390,542	0.49%	—	Jun 30, 2026	SPDR SERIES TRUST, not summed
5.3	STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO Fund S000050332 · Registered fund · Jun 30, 2026 STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed	17,700	0.02%	—	Jun 30, 2026	STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
5.4	State Street(R) SPDR(R) S&P Kensho Intelligent Structures ETF Fund S000059700 · Registered fund · Jun 30, 2026 SPDR SERIES TRUST, not summed	7,951	0.01%	—	Jun 30, 2026	SPDR SERIES TRUST, not summed
5.5	State Street Total Return V.I.S. Fund Fund S000001637 · Registered fund · Jun 30, 2026 STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed	1,370	0.00%	—	Jun 30, 2026	STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
6	TWO SIGMA INVESTMENTS, LP 13F CIK 1179392 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,061,353	2.58%	+780,137	Jun 30, 2026	carried, not yet filed for the newest quarter
7	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	1,670,954	2.09%	+91,200	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
8	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,408,580	1.76%	+826,884	Jun 30, 2026	carried, not yet filed for the newest quarter
9	Encompass Capital Advisors LLC 13F CIK 1541901 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,365,900	1.71%	+1,365,900	Jun 30, 2026	carried, not yet filed for the newest quarter
10	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	1,274,341	1.59%	+673,676	Jun 30, 2026	carried, not yet filed for the newest quarter
11	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,272,500	1.59%	+385,900	Jun 30, 2026	carried, not yet filed for the newest quarter
12	Anatole Investment Management Ltd 13F CIK 1693745 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	1,165,501	1.46%	+1,165,501	Jun 30, 2026	carried, not yet filed for the newest quarter
13	T. Rowe Price Investment Management, Inc. 13F CIK 1897612 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,121,375	1.40%	+1,121,375	Jun 30, 2026	carried, not yet filed for the newest quarter
14	Driehaus Capital Management LLC 13F CIK 938206 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,014,687	1.27%	+1,014,687	Jun 30, 2026	carried, not yet filed for the newest quarter
14.1	Driehaus Micro Cap Growth Fund Fund S000042829 · Registered fund · Jun 30, 2026 Driehaus Mutual Funds, not summed	190,017	0.24%	—	Jun 30, 2026	Driehaus Mutual Funds, not summed
15	Invesco Ltd. 13F CIK 914208 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	982,042	1.23%	-233,730	Jun 30, 2026	carried, not yet filed for the newest quarter
15.1	Invesco Dorsey Wright Industrials Momentum ETF Fund S000013105 · Registered fund · Jul 31, 2026 Invesco Exchange-Traded Fund Trust, not summed	387,450	0.48%	—	Jul 31, 2026	Invesco Exchange-Traded Fund Trust, not summed
15.2	Invesco WilderHill Clean Energy ETF Fund S000003053 · Registered fund · Jul 31, 2026 Invesco Exchange-Traded Fund Trust, not summed	308,993	0.39%	-518,376	Jul 31, 2026	Invesco Exchange-Traded Fund Trust, not summed
15.3	Invesco RAFI US 1500 Small-Mid ETF Fund S000013120 · Registered fund · Jul 31, 2026 Invesco Exchange-Traded Fund Trust, not summed	160,735	0.20%	-23,281	Jul 31, 2026	Invesco Exchange-Traded Fund Trust, not summed
15.4	Invesco BuyBack AchieversTM ETF Fund S000013111 · Registered fund · Jul 31, 2026 Invesco Exchange-Traded Fund Trust, not summed	66,027	0.08%	+19,840	Jul 31, 2026	Invesco Exchange-Traded Fund Trust, not summed
16	Baird Financial Group, Inc. 13F CIK 1648711 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	866,244	1.08%	+866,244	Jun 30, 2026	carried, not yet filed for the newest quarter
16.1	Strategas Macro Thematic Opportunities ETF Fund S000075078 · Registered fund · Jun 30, 2026 ADVISORS' INNER CIRCLE III, not summed	779,401	0.97%	—	Jun 30, 2026	ADVISORS' INNER CIRCLE III, not summed
17	JANE STREET GROUP, LLC 13F CIK 1595888 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	859,595	1.08%	+859,595	Jun 30, 2026	carried, not yet filed for the newest quarter
18	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	852,881	1.07%	+282,592	Jun 30, 2026	carried, not yet filed for the newest quarter
18.1	Kenneth Griffin 13G CIK 1721695 · Unknown · Jul 28, 2026 Rule 13d-1(c), passive investor, not summed	3,015,372	3.77%	—	Jul 28, 2026	Rule 13d-1(c), passive investor, not summed
19	MILLENNIUM MANAGEMENT LLC 13F CIK 1273087 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	746,879	0.93%	-5,608	Jun 30, 2026	carried, not yet filed for the newest quarter
20	Trexquant Investment LP 13F CIK 1633445 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	739,400	0.92%	+220,069	Jun 30, 2026	carried, not yet filed for the newest quarter
21	GROUP ONE TRADING LLC 13F CIK 932540 · Broker-dealer · Jun 30, 2026 carried, not yet filed for the newest quarter	696,353	0.87%	+645,535	Jun 30, 2026	carried, not yet filed for the newest quarter
22	HRT FINANCIAL LP 13F CIK 1475597 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	645,582	0.81%	+602,672	Jun 30, 2026	carried, not yet filed for the newest quarter
23	SUSQUEHANNA INTERNATIONAL GROUP, LLP 13F CIK 1446194 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	643,838	0.81%	-1,076,330	Jun 30, 2026	carried, not yet filed for the newest quarter
24	Point72 Asset Management, L.P. 13F CIK 1603466 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	621,095	0.78%	+436,413	Jun 30, 2026	carried, not yet filed for the newest quarter
25	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	608,141	0.76%	+59,000	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
26	ACADIAN ASSET MANAGEMENT LLC 13F CIK 916542 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	594,181	0.74%	-46,120	Jun 30, 2026	carried, not yet filed for the newest quarter
27	VANGUARD PORTFOLIO MANAGEMENT LLC 13F CIK 2100121 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	505,082	0.63%	+449,040	Jun 30, 2026	carried, not yet filed for the newest quarter
28	BANK OF MONTREAL /CAN/ 13F CIK 927971 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	460,538	0.58%	+1,239	Jun 30, 2026	carried, not yet filed for the newest quarter
29	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	450,750	0.56%	+108,170	Jun 30, 2026	carried, not yet filed for the newest quarter
30	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	430,826	0.54%	+325,662	Jun 30, 2026	carried, not yet filed for the newest quarter
30.1	Small Cap Index Fund Fund S000001245 · Registered fund · Jun 30, 2026 Northern Funds, not summed	27,448	0.03%	—	Jun 30, 2026	Northern Funds, not summed
31	DIMENSIONAL FUND ADVISORS LP 13F CIK 354204 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	395,874	0.50%	+83,338	Jun 30, 2026	carried, not yet filed for the newest quarter
31.1	U.S. MICRO CAP PORTFOLIO Fund S000000948 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	163,080	0.20%	+151,285	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
31.2	Dimensional U.S. Small Cap ETF Fund S000070906 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	141,167	0.18%	+2,353	Jul 31, 2026	Dimensional ETF Trust, not summed
31.3	Dimensional U.S. Core Equity 2 ETF Fund S000070903 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	93,705	0.12%	+65,236	Jul 31, 2026	Dimensional ETF Trust, not summed
31.4	U.S. SMALL CAP PORTFOLIO Fund S000000971 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	25,497	0.03%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
31.5	Dimensional U.S. Equity Market ETF Fund S000070902 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	23,364	0.03%	+11,485	Jul 31, 2026	Dimensional ETF Trust, not summed
32	TUDOR INVESTMENT CORP ET AL 13F CIK 923093 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	391,831	0.49%	+391,831	Jun 30, 2026	carried, not yet filed for the newest quarter
33	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 13F CIK 1705339 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	377,836	0.47%	-52,965	Jun 30, 2026	carried, not yet filed for the newest quarter
33.1	Global X Hydrogen ETF Fund S000072330 · Registered fund · May 31, 2026 GLOBAL X FUNDS, not summed	556,391	0.70%	+184,258	May 31, 2026	GLOBAL X FUNDS, not summed
33.2	Global X Russell 2000 ETF Fund S000085029 · Registered fund · Jul 31, 2026 GLOBAL X FUNDS, not summed	25,987	0.03%	—	Jul 31, 2026	GLOBAL X FUNDS, not summed
33.3	Global X U.S. Electrification ETF Fund S000089023 · Registered fund · Jul 31, 2026 GLOBAL X FUNDS, not summed	23,253	0.03%	+6,283	Jul 31, 2026	GLOBAL X FUNDS, not summed
34	FMR LLC 13F CIK 315066 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	370,614	0.46%	+363,933	Jun 30, 2026	carried, not yet filed for the newest quarter
34.1	Fidelity Small Cap Index Fund Fund S000033638 · Registered fund · Jul 31, 2026 Fidelity Salem Street Trust, not summed	593,780	0.74%	—	Jul 31, 2026	Fidelity Salem Street Trust, not summed
34.2	Fidelity Extended Market Index Fund Fund S000006021 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	247,587	0.31%	-4,640	May 31, 2026	Fidelity Concord Street Trust, not summed
34.3	VIP Contrafund Portfolio Fund S000007724 · Registered fund · Jun 30, 2026 Variable Insurance Products Fund II, not summed	242,600	0.30%	—	Jun 30, 2026	Variable Insurance Products Fund II, not summed
34.4	Fidelity Total Market Index Fund Fund S000006026 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	91,984	0.12%	-5,397	May 31, 2026	Fidelity Concord Street Trust, not summed
34.5	Fidelity Small Cap Value Index Fund Fund S000065751 · Registered fund · Jun 30, 2026 Fidelity Salem Street Trust, not summed	75,921	0.10%	—	Jun 30, 2026	Fidelity Salem Street Trust, not summed
35	JPMORGAN CHASE & CO 13F CIK 19617 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	357,106	0.45%	-286,197	Jun 30, 2026	carried, not yet filed for the newest quarter
36	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	348,899	0.44%	+64,466	Jun 30, 2026	carried, not yet filed for the newest quarter
37	Defiance AI & Power Infrastructure ETF Fund S000090210 · Registered fund · May 31, 2026 Tidal Trust II, not summed	346,147	0.43%	—	May 31, 2026	Tidal Trust II, not summed
38	MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 13F CIK 912938 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	327,068	0.41%	+327,068	Jun 30, 2026	carried, not yet filed for the newest quarter
38.1	MFS Global Alternative Strategy Fund Fund S000019515 · Registered fund · Jul 31, 2026 MFS Series Trust XV, not summed	666	0.00%	—	Jul 31, 2026	MFS Series Trust XV, not summed
39	PANAGORA ASSET MANAGEMENT INC 13F CIK 883677 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	319,232	0.40%	+126,812	Jun 30, 2026	carried, not yet filed for the newest quarter
40	FEDERATED HERMES, INC. 13F CIK 1056288 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	309,368	0.39%	-34,451	Jun 30, 2026	carried, not yet filed for the newest quarter
41	Vontobel Holding Ltd. 13F CIK 1588340 · Unknown · Sep 30, 2026	299,009	0.37%	+299,009	Sep 30, 2026
42	RAYMOND JAMES FINANCIAL INC 13F CIK 720005 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	286,275	0.36%	+286,275	Jun 30, 2026	carried, not yet filed for the newest quarter
43	Walleye Trading LLC 13F CIK 1388391 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	252,693	0.32%	+252,693	Jun 30, 2026	carried, not yet filed for the newest quarter
44	Tidal Investments LLC 13F CIK 1600064 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	244,049	0.31%	+92,572	Jun 30, 2026	carried, not yet filed for the newest quarter
45	Nuveen, LLC 13F CIK 1871926 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	220,251	0.28%	+220,251	Jun 30, 2026	carried, not yet filed for the newest quarter
45.1	Nuveen Quant Small Cap Equity Fund Fund S000005386 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	441,900	0.55%	—	Jul 31, 2026	TIAA-CREF Funds, not summed
45.2	College Retirement Equities Fund - Total Global Stock Account Fund S000005080 · Registered fund · Jun 30, 2026 College Retirement Equities Fund, not summed	90,650	0.11%	—	Jun 30, 2026	College Retirement Equities Fund, not summed
45.3	Nuveen Small Cap Blend Index Fund Fund S000005367 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	71,778	0.09%	—	Jul 31, 2026	TIAA-CREF Funds, not summed
45.4	Nuveen Equity Index Fund Fund S000005360 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	44,731	0.06%	—	Jul 31, 2026	TIAA-CREF Funds, not summed
45.5	TIAA Separate Account VA-1 - Stock Index Account Fund S000005098 · Registered fund · Jun 30, 2026 TIAA Separate Account VA-1, not summed	1,034	0.00%	—	Jun 30, 2026	TIAA Separate Account VA-1, not summed
46	Defiance ETFs, LLC 13F CIK 1732541 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	206,279	0.26%	+54,802	Jun 30, 2026	carried, not yet filed for the newest quarter
47	Zurcher Kantonalbank (Zurich Cantonalbank) 13F CIK 1368163 · Non-US institution · Jun 30, 2026 carried, not yet filed for the newest quarter	190,508	0.24%	+43,927	Jun 30, 2026	carried, not yet filed for the newest quarter
48	Mitsubishi UFJ Asset Management Co., Ltd. 13F CIK 1466546 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	180,023	0.23%	+180,023	Jun 30, 2026	carried, not yet filed for the newest quarter
49	Informed Momentum Co LLC 13F CIK 1510989 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	178,858	0.22%	+178,858	Jun 30, 2026	carried, not yet filed for the newest quarter
50	Bank of New York Mellon Corp 13F CIK 1390777 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	169,233	0.21%	+169,233	Jun 30, 2026	carried, not yet filed for the newest quarter

24 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 292 holders

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Key facts CIK 886128 CUSIP 35952H700 13F (30d) 21 filings 21 filers Visit website Investor relations