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Aspen Aerogels Inc

ASPN
Exchange
NYSE
Industry
Wholesale-Lumber & Other Construction Materials
SEC CIK
0001145986

In the last 90 days, Aspen Aerogels Inc insiders filed 0 open-market purchases and 1 sale; 179 institutions reported holding it in 13F filings for Q2 2026, worth $464.9M in total; no superinvestor holds it.

13F holders, Q1 2022

Institutional positions in Aspen Aerogels Inc as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
145
−11 vs. Q4 2021
Shares held
31.7M
+3.38M (+11.9%) vs. Q4 2021
Total value
$1.09B
−$317.5M (−22.5%) vs. Q4 2021
New holders
28
59 more added
Sold out
39
42 more reduced

3 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ASPN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2022: 145 institutions
Q1 2021: 85 institutionsQ2 2021: 115 institutionsQ3 2021: 130 institutionsQ4 2021: 159 institutionsQ1 2022: 145 institutionsQ2 2022: 148 institutionsQ3 2022: 140 institutionsQ4 2022: 164 institutionsQ1 2023: 156 institutionsQ2 2023: 159 institutionsQ3 2023: 159 institutionsQ4 2023: 170 institutionsQ1 2024: 167 institutionsQ2 2024: 222 institutionsQ3 2024: 243 institutionsQ4 2024: 231 institutionsQ1 2025: 221 institutionsQ2 2025: 182 institutionsQ3 2025: 204 institutionsQ4 2025: 183 institutionsQ1 2026: 166 institutionsQ2 2026: 179 institutions
Value heldQ1 2022: $1.09B
Q1 2021: $482.2MQ2 2021: $849.9MQ3 2021: $1.27BQ4 2021: $1.42BQ1 2022: $1.09BQ2 2022: $366.3MQ3 2022: $344.0MQ4 2022: $793.4MQ1 2023: $498.6MQ2 2023: $524.6MQ3 2023: $582.9MQ4 2023: $1.18BQ1 2024: $1.31BQ2 2024: $1.69BQ3 2024: $1.93BQ4 2024: $868.2MQ1 2025: $455.4MQ2 2025: $423.4MQ3 2025: $496.8MQ4 2025: $199.0MQ1 2026: $236.7MQ2 2026: $464.9M
Institutions holding ASPN and their total value by quarter
QuarterHoldersValue
Q2 2026179$464.9M
Q1 2026166$236.7M
Q4 2025183$199.0M
Q3 2025204$496.8M
Q2 2025182$423.4M
Q1 2025221$455.4M
Q4 2024231$868.2M
Q3 2024243$1.93B
Q2 2024222$1.69B
Q1 2024167$1.31B
Q4 2023170$1.18B
Q3 2023159$582.9M
Q2 2023159$524.6M
Q1 2023156$498.6M
Q4 2022164$793.4M
Q3 2022140$344.0M
Q2 2022148$366.3M
Q1 2022145$1.09B
Q4 2021159$1.42B
Q3 2021130$1.27B
Q2 2021115$849.9M
Q1 202185$482.2M

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q4 2021.

Institutions holding ASPN in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Spring Creek Capital LLC3,462,124$119.4M4.72%00.0%Unchanged
George Kaiser Family Foundation3,167,322$109.2M17.83%00.0%Unchanged
Oaktop Capital Management II, L.P.2,939,758$101.4M14.47%00.0%Unchanged
Telemark Asset Management, LLC1,820,000$62.8M5.54%−20,000−1.1%Reduced
Koch Industries Inc1,791,986$61.8M4.33%+1,791,986New
Vanguard Group Inc1,533,291$52.9M0.00%−22,999−1.5%Reduced
BlackRock Inc.1,531,582$52.8M0.00%−21,008−1.4%Reduced
Driehaus Capital Management LLC1,350,570$46.6M0.57%−24,521−1.8%Reduced
Encompass Capital Advisors LLC910,780$31.4M2.30%+510,592+127.6%Added
Invesco Ltd.728,826$25.1M0.01%−68,606−8.6%Reduced
Needham Investment Management LLC661,500$22.8M3.30%−32,500−4.7%Reduced
FMR LLC536,167$18.5M0.00%−196,589−26.8%Reduced
Essex Investment Management Co LLC510,488$17.6M2.19%+133,618+35.5%Added
State Street Corp507,825$17.5M0.00%−70,745−12.2%Reduced
Royce & Associates LP491,832$17.0M0.14%+69,550+16.5%Added
Voya Investment Management LLC446,177$15.4M0.03%+437,611+5,108.7%Added
Dimensional Fund Advisors LP441,247$15.2M0.00%+21,112+5.0%Added
Next Century Growth Investors LLC411,043$14.2M1.42%−5,566−1.3%Reduced
Geode Capital Management, LLC405,507$14.0M0.00%+17,863+4.6%Added
Baird Financial Group, Inc.405,119$14.0M0.03%+33,356+9.0%Added
G2 Investment Partners Management LLC391,153$13.5M3.21%−24,624−5.9%Reduced
Cowen Prime Advisors LLC367,280$12.7M5.33%+53,380+17.0%Added
UBS Asset Management Americas Inc348,879$12.0M0.01%−23,512−6.3%Reduced
Samjo Capital LLC345,000$11.9M10.17%+15,000+4.5%Added
Deutsche Bank AG325,329$11.2M0.01%+311,200+2,202.6%Added
AMH Equity Ltd321,414$11.1M13.29%+178,714+125.2%Added
ExodusPoint Capital Management, LP283,893$9.79M0.14%+140,743+98.3%Added
Redwood Investments, LLC269,769$9.30M0.88%+269,769New
Millennium Management LLC212,293$7.32M0.01%+173,755+450.9%Added
Northern Trust Corp206,442$7.12M0.00%−11,558−5.3%Reduced
Citadel Advisors LLC191,838$6.61M0.01%+69,155+56.4%Added
Zevenbergen Capital Investments LLC179,022$6.17M0.17%+22,045+14.0%Added
Goldman Sachs Group Inc174,617$6.02M0.00%+132,232+312.0%Added
Kennedy Capital Management, Inc.165,740$5.71M0.14%+17,000+11.4%Added
Two Sigma Investments, LP161,539$5.57M0.02%+161,539New
Silvercrest Asset Management Group LLC158,060$5.45M0.04%+1,177+0.8%Added
Jetstream Capital LLC156,000$5.38M7.90%+96,000+160.0%Added
Morgan Stanley139,532$4.81M0.00%+83,807+150.4%Added
Granite Point Capital Management, L.P.128,822$4.44M2.25%−68,391−34.7%Reduced
Afton Capital Management LLC127,343$4.39M9.34%−10,357−7.5%Reduced
Two Sigma Advisers, LP124,500$4.29M0.01%+119,900+2,606.5%Added
Peregrine Capital Management LLC123,847$4.27M0.10%+123,847New
RK Capital Management, LLC123,600$4.26M0.85%−42,300−25.5%Reduced
Gilder Gagnon Howe & Co LLC108,930$3.76M0.03%+23,845+28.0%Added
Calamos Advisors LLC106,504$3.67M0.01%−66,713−38.5%Reduced
Trellus Management Company, LLC105,563$3.64M4.52%00.0%Unchanged
Susquehanna International Group, LLP99,475$3.43M0.01%+22,378+29.0%Added
Bank of New York Mellon Corp94,868$3.27M0.00%+6,356+7.2%Added
Lisanti Capital Growth, LLC94,255$3.25M0.37%+94,255New
Russell Investments Group, Ltd.94,073$3.24M0.01%−46,973−33.3%Reduced
Picton Mahoney Asset Management85,800$2.96M0.11%+50,100+140.3%Added
Harvey Partners, LLC80,000$2.76M0.69%00.0%Unchanged
Greenwood Capital Associates LLC76,079$2.62M0.69%+3,350+4.6%Added
Redwood Grove Capital, LLC73,210$2.55M1.27%+73,210New
Jane Street Group, LLC70,501$2.43M0.00%+57,204+430.2%Added
Nuveen Asset Management, LLC78,238$2.42M0.00%+14,758+23.2%Added
UBS Group AG68,778$2.37M0.00%−26,177−27.6%Reduced
Sargent Investment Group, LLC66,458$2.29M0.58%+15,017+29.2%Added
Swiss National Bank62,600$2.16M0.00%+4,400+7.6%Added
Charles Schwab Investment Management Inc58,592$2.02M0.00%+970+1.7%Added
Invenire Partners, LP57,544$1.98M2.49%−10,000−14.8%Reduced
Renaissance Technologies LLC56,700$1.96M0.00%+22,549+66.0%Added
Bank of America Corp56,222$1.94M0.00%+41,805+290.0%Added
Bridgewater Advisors Inc.55,000$1.90M0.46%+24,000+77.4%Added
Allspring Global Investments Holdings, LLC49,963$1.72M0.00%+5,459+12.3%Added
Squarepoint Ops LLC43,129$1.49M0.01%+29,543+217.5%Added
Wells Fargo & Company39,373$1.36M0.00%−8,792−18.3%Reduced
Firsthand Capital Management, Inc.35,000$1.21M0.63%00.0%Unchanged
Simplex Trading, LLC34,998$1.21M0.04%+34,998New
Millrace Asset Group, Inc.34,227$1.18M0.86%−3,097−8.3%Reduced
AQR Capital Management LLC34,134$1.18M0.00%−4,407−11.4%Reduced
Qube Research & Technologies Ltd33,111$1.14M0.01%+33,111New
California State Teachers Retirement System31,882$1.10M0.00%−2,436−7.1%Reduced
Macquarie Group Ltd29,280$1.01M0.00%+28,106+2,394.0%Added
Woodmont Investment Counsel LLC28,210$973.0K0.11%+6,750+31.5%Added
STRS Ohio27,100$934.0K0.00%+26,000+2,363.6%Added
Alpha Paradigm Partners, LLC23,306$804.0K0.32%−8,880−27.6%Reduced
Rhumbline Advisers22,371$771.0K0.00%+2,664+13.5%Added
State of Wisconsin Investment Board21,900$755.0K0.00%+16,600+313.2%Added
Advisory Research Inc21,523$742.0K0.06%−41,759−66.0%Reduced
Choate Investment Advisors20,362$702.0K0.04%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.20,206$697.0K0.00%+1,298+6.9%Added
ARS Investment Partners, LLC19,761$681.0K0.07%+4,018+25.5%Added
Quantbot Technologies LP19,650$677.0K0.06%+8,012+68.8%Added
Jump Financial, LLC19,335$667.0K0.03%+19,335New
Alliancebernstein L.P.18,300$631.0K0.00%−4,000−17.9%Reduced
Credit Suisse AG18,203$628.0K0.00%+958+5.6%Added
Guggenheim Capital LLC17,538$605.0K0.00%+8,565+95.5%Added
JPMorgan Chase & Co17,474$603.0K0.00%−15,200−46.5%Reduced
Aquila Investment Management LLC16,000$552.0K0.31%−7,000−30.4%Reduced
New York State Common Retirement Fund15,588$537.0K0.00%+19+0.1%Added
Boothbay Fund Management, LLC15,500$534.0K0.02%+3,500+29.2%Added
San Luis Wealth Advisors LLC10,628$529.0K0.26%−12−0.1%Reduced
Mesirow Financial Investment Management, Inc.13,947$481.0K1.62%+13,947New
Dynamic Technology Lab Private Ltd12,870$444.0K0.05%+12,870New
Point72 Asset Management, L.P.12,000$414.0K0.00%+12,000New
MetLife Investment Management11,713$403.9K0.00%+4,230+56.5%Added
American International Group, Inc.10,950$378.0K0.00%−771−6.6%Reduced
Abbot Financial Management, Inc.10,737$370.0K0.18%+5,084+89.9%Added
SEI Investments Co10,239$353.0K0.00%−6,952−40.4%Reduced