ASPEN AEROGELS INC (ASPN) is held by institutional investors who disclose positions via SEC 13F filings. View the full list of institutional holders on HoldingsIntel.

Are institutions buying or selling ASPN?

HoldingsIntel tracks quarter-over-quarter changes in institutional positions for ASPEN AEROGELS INC, showing new buyers, position increases, decreases, and exits with conviction-weighted sentiment.

What is the Smart Money Verdict on ASPN?

The Smart Money Verdict combines four independent signals (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ASPEN AEROGELS INC.

Is institutional money flowing into ASPN?

93 institutional investors hold ASPEN AEROGELS INC (ASPN). View detailed buyer/seller breakdown on HoldingsIntel.

What do hedge funds think about ASPN?

Track institutional sentiment and conviction scores for ASPEN AEROGELS INC (ASPN) including Smart Money Verdict and position changes on HoldingsIntel.

ASPEN AEROGELS INC

ASPN·04523Y105·US·equity·Industrials - Building Products & Equipment-13D/G

ASPN (ASPEN AEROGELS INC) is held by 93 institutional investors as of Q4 2025. Largest holders: BlackRock, Inc. ($13.9M), VANGUARD GROUP INC ($13.3M), Invesco Ltd. ($11.7M). Net institutional sentiment: Mixed.

Holders

Avg rating(6 Elite)

$106.8M

Total Value

39% (115)

Fund Consensus

39 buying - 59 selling

Smart Money Verdict- Q4 2025View all

45Weak MomentumStrong Convergence

Held by 93 funds

6 elite

Who's Trading

ActivistThe Vanguard Group0.0%Mar 26, 2026

Activist

13F: Dec 31, 2025Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	4.9M(-1.0%)	$13.9M	0.0%	-72.16%	0
VANGUARD GROUP INC	Increased	4.7M(+3.9%)	$13.3M	0.0%	-87.19%	29
Invesco Ltd.	Increased	4.1M(+237.9%)	$11.7M	0.0%	-18.35%	45
STATE STREET CORP	Increased	2.5M(+28.6%)	$7.1M	0.0%	-70.14%	34
DIMENSIONAL FUND ADVISORS LP	Decreased	2M(-11.0%)	$5.7M	0.0%	-77.55%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.6M(+1.1%)	$4.5M	0.0%	-72.28%	27
JPMORGAN CHASE & CO	Increased	1.5M(+9.9%)	$4.2M	0.0%	-47.59%	29
AMERIPRISE FINANCIAL INC	New	1.4M	$3.9M	0.0%	+13.22%	37
GOLDMAN SACHS GROUP INC	Decreased	1.3M(-8.8%)	$3.7M	0.0%	-57.96%	0
AMERICAN CENTURY COMPANIES INC	Increased	1.2M(+145.7%)	$3.3M	0.0%	-27.63%	43
MILLENNIUM MANAGEMENT LLC	Decreased	870,951(-39.8%)	$2.5M	0.0%	-67.66%	0
CITADEL ADVISORS LLC	Decreased	866,218(-22.3%)	$2.5M	0.0%	-62.04%	0
TWO SIGMA INVESTMENTS, LP	Decreased	757,419(-6.7%)	$2.1M	0.0%	-69.65%	0
BANK OF AMERICA CORP /DE/	Decreased	752,430(-7.7%)	$2.1M	0.0%	-52.21%	0
BNP PARIBAS FINANCIAL MARKETS	Decreased	691,270(-0.1%)	$2M	0.0%	-58.64%	0
First Eagle Investment Management, LLC	Increased	622,487(+20.3%)	$1.8M	0.0%	-47.67%	31
FEDERATED HERMES, INC.	Increased	564,486(+94.7%)	$1.6M	0.0%	-25.03%	41
MARSHALL WACE, LLP	Increased	554,180(+77.5%)	$1.6M	0.0%	-39.46%	39
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	540,323(-5.6%)	$1.5M	0.0%	-83.11%	0
NORTHERN TRUST CORP	Decreased	539,168(-12.1%)	$1.5M	0.0%	-68.74%	0
AQR CAPITAL MANAGEMENT LLC	Increased	369,949(+108.1%)	$1M	0.0%	-27.77%	40
MORGAN STANLEY	Decreased	347,648(-49.9%)	$983,843	0.0%	-86.71%	0
LOS ANGELES CAPITAL MANAGEMENT LLC	Decreased	118,664(-14.8%)	$893,539	0.0%	-52.82%	0
UBS Group AG	Decreased	315,348(-20.5%)	$892,435	0.0%	-70.16%	0
JANE STREET GROUP, LLC	Increased	293,150(+81.9%)	$829,614	0.0%	-37.93%	38
CITIGROUP INC	Increased	238,631(+13.3%)	$675,326	0.0%	-51.59%	28
DEUTSCHE BANK AG\	Increased	223,093(+1.3%)	$631,353	0.0%	-80.66%	25
XTX Topco Ltd	Increased	202,030(+786.1%)	$571,745	0.0%	-2.23%	39
Bank of New York Mellon Corp	Decreased	196,903(-8.4%)	$557,236	0.0%	-78.73%	0
FIRST TRUST ADVISORS LP	Increased	196,566(+0.3%)	$556,281	0.0%	-77.97%	24
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Increased	191,204(+13.2%)	$541,107	0.0%	-78.23%	27
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	New	157,400	$445,442	0.0%	+13.22%	33
JACOBS LEVY EQUITY MANAGEMENT, INC	New	140,113	$396,520	0.0%	+13.22%	33
Swiss National Bank	Unchanged	135,200	$382,616	0.0%	-86.37%	0
Mitsubishi UFJ Asset Management Co., Ltd.	Increased	131,468(+87.3%)	$379,943	0.0%	-44.45%	37
Nuveen, LLC	Unchanged	133,867	$378,843	0.0%	-49.24%	0
STATE OF WISCONSIN INVESTMENT BOARD	Decreased	120,238(-53.2%)	$340,274	0.0%	-74.28%	0
Engineers Gate Manager LP	New	119,227	$337,412	0.0%	+13.22%	33
ALPS ADVISORS INC	Decreased	116,372(-5.9%)	$329,333	0.0%	-84.77%	0
BARCLAYS PLC	Increased	109,528(+10.2%)	$309,964	0.0%	-78.88%	26
TWO SIGMA ADVISERS, LP	Decreased	104,300(-0.2%)	$295,169	0.0%	-62.18%	0
IMC-Chicago, LLC	Decreased	102,930(-0.3%)	$291,292	0.0%	-68.10%	0
Assenagon Asset Management S.A.	New	97,002	$274,516	0.0%	+13.22%	32
Verition Fund Management LLC	Increased	96,973(+47.0%)	$274,434	0.0%	-54.65%	32
Russell Investments Group, Ltd.	Decreased	95,651(-28.8%)	$270,690	0.0%	-55.76%	0
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Unchanged	94,589	$267,687	0.0%	-82.69%	0
RHUMBLINE ADVISERS	Decreased	89,318(-19.3%)	$252,759	0.0%	-69.34%	0
Jain Global LLC	New	87,835	$248,573	0.0%	+13.22%	32
WELLS FARGO & COMPANY/MN	Increased	82,170(+52.8%)	$232,541	0.0%	-70.44%	22
TUDOR INVESTMENT CORP ET AL	Decreased	79,171(-83.7%)	$224,054	0.0%	-52.82%	0
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	Increased	78,454(+29.3%)	$222,025	0.0%	-79.02%	29
Legal & General Group Plc	Unchanged	67,130	$189,977	0.0%	-79.81%	0
ExodusPoint Capital Management, LP	Decreased	65,470(-43.8%)	$185,280	0.0%	-52.82%	0
ALLIANCEBERNSTEIN L.P.	Unchanged	64,090	$181,375	0.0%	-65.15%	0
LPL Financial LLC	Decreased	55,076(-50.3%)	$155,865	0.0%	-63.85%	0
Caption Management, LLC	Increased	36,100(+20.3%)	$102,163	0.0%	-37.97%	26
Quadrature Capital Ltd	Increased	35,583(+248.5%)	$100,700	0.0%	-19.23%	35
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	Decreased	30,799(-1.2%)	$87,161	0.0%	-85.41%	0
JANUS HENDERSON GROUP PLC	Unchanged	30,455	$86,340	0.0%	-53.94%	0
MetLife Investment Management, LLC	Decreased	27,154(-10.8%)	$76,846	0.0%	-52.13%	0
INTECH INVESTMENT MANAGEMENT LLC	Decreased	25,382(-43.5%)	$71,831	0.0%	-79.96%	0
HSBC HOLDINGS PLC	New	23,326	$66,013	0.0%	+13.22%	32
D. E. Shaw & Co., Inc.	Increased	23,217(+75.6%)	$65,704	0.0%	-33.43%	22
Centiva Capital, LP	New	21,247	$60,129	0.0%	+13.22%	29
MANUFACTURERS LIFE INSURANCE COMPANY, THE	Decreased	21,163(-6.8%)	$59,891	0.0%	-78.15%	0
Schonfeld Strategic Advisors LLC	New	20,350	$57,588	0.0%	+13.22%	29
Arizona State Retirement System	Decreased	19,323(-6.5%)	$54,684	0.0%	-72.20%	0
Police & Firemen's Retirement System of New Jersey	Decreased	16,663(-21.1%)	$47,156	0.0%	-66.94%	0
NEW YORK STATE COMMON RETIREMENT FUND	Decreased	16,231(-97.8%)	$45,934	0.0%	-50.77%	0
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	Unchanged	14,618	$41,369	0.0%	-79.20%	0
GROUP ONE TRADING LLC	New	14,257	$40,347	0.0%	+13.22%	28
KLP KAPITALFORVALTNING AS	Unchanged	13,800	$39,054	0.0%	-72.21%	0
VOYA INVESTMENT MANAGEMENT LLC	Unchanged	12,359	$34,976	0.0%	-79.79%	0
ProShare Advisors LLC	Increased	12,118(+6.9%)	$34,294	0.0%	-84.06%	21
CANADA PENSION PLAN INVESTMENT BOARD	New	11,900	$33,677	0.0%	+13.22%	30
Baird Financial Group, Inc.	Decreased	11,344(-96.9%)	$32,104	0.0%	-75.29%	0
OSAIC HOLDINGS, INC.	Decreased	10,799(-20.2%)	$30,550	0.0%	-68.87%	0
Zurcher Kantonalbank (Zurich Cantonalbank)	Unchanged	10,703	$30,289	0.0%	-77.28%	0
Optiver Holding B.V.	Increased	6,046(+613.0%)	$17,110	0.0%	-5.36%	20
FMR LLC	Decreased	5,769(-13.4%)	$16,326	0.0%	-72.21%	0
SIMPLEX TRADING, LLC	Decreased	4,832(-70.3%)	$13,674	0.0%	-56.06%	0
ROYAL BANK OF CANADA	Decreased	4,354(-98.9%)	$13,000	0.0%	-48.12%	0
MAI Capital Management	Increased	3,651(+37.7%)	$10,333	0.0%	-39.61%	22
JONES FINANCIAL COMPANIES LLLP	Decreased	1,745(-31.4%)	$4,938	0.0%	-50.61%	0
Walleye Capital LLC	New	834	$2,360	0.0%	+13.22%	18
US BANCORP \DE\	Decreased	739(-77.9%)	$2,091	0.0%	-64.98%	0
Allworth Financial LP	Decreased	419(-50.6%)	$1,186	0.0%	-51.62%	0
Rockefeller Capital Management L.P.	Unchanged	200	$566	0.0%	-52.82%	0
NATIONAL BANK OF CANADA /FI/	Decreased	200(-62.0%)	$566	0.0%	-52.82%	0
PRICE T ROWE ASSOCIATES INC /MD/	Increased	98,299(+28.3%)	$279	0.0%	-66.92%	10
Farther Finance Advisors, LLC	Increased	80(+7900.0%)	$226	0.0%	+4.52%	12
PNC FINANCIAL SERVICES GROUP, INC.	Decreased	56(-64.3%)	$158	0.0%	-47.01%	0
COMERICA BANK	Decreased	28(-69.9%)	$78	0.0%	-77.70%	0
COMMONWEALTH EQUITY SERVICES, LLC	Exited	0(-100.0%)	$79	0.0%	-58.33%	0
RAYMOND JAMES FINANCIAL INC	Exited	0(-100.0%)	$242,117	0.0%	-72.05%	0
NISA INVESTMENT ADVISORS, LLC	Exited	0(-100.0%)	$33,867	0.0%	-58.03%	0
BNP Paribas Asset Management Holding S.A.	Exited	0(-100.0%)	$5	0.0%	-49.83%	0
FRANKLIN RESOURCES INC	Exited	0(-100.0%)	$325,408	0.0%	-68.09%	0
HRT FINANCIAL LP	Exited	0(-100.0%)	$1,165	0.0%	-66.58%	0
Brevan Howard Capital Management LP	Exited	0(-100.0%)	$385,584	0.0%	-58.33%	0
Savant Capital, LLC	Exited	0(-100.0%)	$413,946	0.0%	-49.83%	0
Man Group plc	Exited	0(-100.0%)	$558,171	0.0%	-58.33%	0
Quantinno Capital Management LP	Exited	0(-100.0%)	$161,952	0.0%	-52.07%	0
Qube Research & Technologies Ltd	Exited	0(-100.0%)	$878,874	0.0%	-75.88%	0
Trexquant Investment LP	Exited	0(-100.0%)	$1.8M	0.0%	-67.63%	0
OMERS ADMINISTRATION Corp	Exited	0(-100.0%)	$71,688	0.0%	-58.33%	0
Squarepoint Ops LLC	Exited	0(-100.0%)	$632,316	0.0%	-76.45%	0
Universal- Beteiligungs- und Servicegesellschaft mbH	Exited	0(-100.0%)	$244,456	0.0%	-52.32%	0
Wealthspire Advisors, LLC	Exited	0(-100.0%)	$9,431	0.0%	-58.33%	0
Point72 Asset Management, L.P.	Exited	0(-100.0%)	$1.3M	0.0%	-58.33%	0
HUNTINGTON NATIONAL BANK	Exited	0(-100.0%)	$5,116	0.0%	-49.83%	0
Creative Planning	Exited	0(-100.0%)	$152,758	0.0%	-52.74%	0
CAPITAL FUND MANAGEMENT S.A.	Exited	0(-100.0%)	$346,260	0.0%	-75.48%	0
HighTower Advisors, LLC	Exited	0(-100.0%)	$75,495	0.0%	-58.33%	0
RENAISSANCE TECHNOLOGIES LLC	Exited	0(-100.0%)	$1.7M	0.0%	-79.06%	0

ASPEN AEROGELS INC

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