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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, Q3 2022

Institutional positions in Aspen Aerogels Inc as of Sep 30, 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
140
−7 vs. Q2 2022
Shares held
37.3M
+270.4K (+0.7%) vs. Q2 2022
Total value
$344.0M
−$22.3M (−6.1%) vs. Q2 2022
New holders
21
66 more added
Sold out
28
34 more reduced

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: 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 holdersQ3 2022: 140 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 heldQ3 2022: $344.0M
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, Q3 2022

Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q2 2022.

Institutions holding ASPN in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Kim, LLC5,254,110$48.4M2.26%00.0%Unchanged
Oaktop Capital Management II, L.P.3,194,758$29.5M5.92%00.0%Unchanged
George Kaiser Family Foundation3,167,322$29.2M5.12%00.0%Unchanged
Encompass Capital Advisors LLC2,419,272$22.3M1.29%−306,299−11.2%Reduced
Telemark Asset Management, LLC2,000,000$18.4M2.89%00.0%Unchanged
BlackRock Inc.1,918,984$17.7M0.00%+142,611+8.0%Added
Vanguard Group Inc1,860,576$17.2M0.00%+419,657+29.1%Added
Driehaus Capital Management LLC1,055,017$9.73M0.15%+25,498+2.5%Added
Needham Investment Management LLC983,100$9.06M1.78%+298,600+43.6%Added
Cowen Prime Advisors LLC731,350$6.74M3.87%+61,400+9.2%Added
Essex Investment Management Co LLC628,808$5.80M0.93%+78,328+14.2%Added
State Street Corp592,441$5.46M0.00%+42,997+7.8%Added
Samjo Capital LLC584,000$5.38M6.57%+64,000+12.3%Added
Ameriprise Financial Inc580,043$5.35M0.00%−42,858−6.9%Reduced
Point72 Asset Management, L.P.579,739$5.34M0.02%+472,889+442.6%Added
FMR LLC565,138$5.21M0.00%+95,893+20.4%Added
Two Sigma Advisers, LP534,900$4.93M0.01%+106,200+24.8%Added
Geode Capital Management, LLC518,378$4.78M0.00%+63,673+14.0%Added
Royce & Associates LP517,283$4.77M0.05%−63,149−10.9%Reduced
Redwood Investments, LLC481,491$4.44M0.60%+170,163+54.7%Added
Two Sigma Investments, LP472,601$4.36M0.02%−80,946−14.6%Reduced
Nuveen Asset Management, LLC459,271$4.24M0.00%−3,855−0.8%Reduced
Baird Financial Group, Inc.448,923$4.14M0.01%+56,618+14.4%Added
Morgan Stanley425,923$3.93M0.00%+49,978+13.3%Added
G2 Investment Partners Management LLC396,167$3.65M1.14%+60,067+17.9%Added
Assenagon Asset Management S.A.370,572$3.42M0.01%+177,677+92.1%Added
Jetstream Capital LLC370,000$3.41M7.25%+30,000+8.8%Added
Goldman Sachs Group Inc354,320$3.27M0.00%+145,317+69.5%Added
D. E. Shaw & Co., Inc.350,468$3.23M0.01%+148,472+73.5%Added
Deutsche Bank AG326,107$3.01M0.00%−680.0%Reduced
UBS Asset Management Americas Inc300,162$2.77M0.00%−44,332−12.9%Reduced
Northern Trust Corp280,502$2.59M0.00%+19,298+7.4%Added
Zevenbergen Capital Investments LLC226,862$2.09M0.06%+48,540+27.2%Added
Voloridge Investment Management, LLC224,247$2.07M0.01%+224,247New
Clear Sky Advisers, LLC195,000$1.80M1.07%+78,000+66.7%Added
Kennedy Capital Management, Inc.184,102$1.70M0.05%−1,452−0.8%Reduced
Afton Capital Management LLC167,119$1.54M5.04%+60,000+56.0%Added
Walleye Capital LLC165,502$1.53M0.03%+29,331+21.5%Added
Renaissance Technologies LLC160,200$1.48M0.00%+81,900+104.6%Added
Silvercrest Asset Management Group LLC147,619$1.36M0.01%−3,885−2.6%Reduced
ExodusPoint Capital Management, LP140,137$1.29M0.02%−169,902−54.8%Reduced
Dimensional Fund Advisors LP138,960$1.28M0.00%−191,697−58.0%Reduced
Algert Global LLC134,363$1.24M0.07%+134,363New
Redwood Grove Capital, LLC133,210$1.23M0.67%+60,000+82.0%Added
Sargent Investment Group, LLC124,061$1.22M0.38%+50,603+68.9%Added
Cubist Systematic Strategies, LLC130,156$1.20M0.01%+80,258+160.8%Added
Bank of New York Mellon Corp128,855$1.19M0.00%+33,216+34.7%Added
Trellus Management Company, LLC106,463$982.0K1.71%00.0%Unchanged
Los Angeles Capital Management LLC103,555$955.0K0.00%+103,555New
Gilder Gagnon Howe & Co LLC101,042$932.0K0.02%−100−0.1%Reduced
Millennium Management LLC100,677$928.0K0.00%−103,428−50.7%Reduced
Citadel Advisors LLC100,500$927.0K0.00%+44,911+80.8%Added
State of Wisconsin Investment Board90,952$839.0K0.00%+61,871+212.8%Added
Greenwood Capital Associates LLC89,767$828.0K0.14%−446−0.5%Reduced
Bridgewater Advisors Inc.89,000$821.0K0.23%+15,000+20.3%Added
Boothbay Fund Management, LLC86,391$797.0K0.03%+38,817+81.6%Added
Charles Schwab Investment Management Inc79,090$730.0K0.00%+7,482+10.4%Added
Swiss National Bank77,000$710.0K0.00%+6,900+9.8%Added
UBS Group AG67,965$627.0K0.00%−3,147−4.4%Reduced
Allspring Global Investments Holdings, LLC66,510$613.0K0.00%−873−1.3%Reduced
Adage Capital Partners GP, L.L.C.50,000$461.0K0.00%−50,000−50.0%Reduced
Guggenheim Capital LLC42,697$393.0K0.00%+4,381+11.4%Added
California State Teachers Retirement System40,080$370.0K0.00%+2,925+7.9%Added
ARS Investment Partners, LLC38,212$352.0K0.05%+12,164+46.7%Added
Bank of America Corp37,983$350.0K0.00%−69,740−64.7%Reduced
Jump Financial, LLC37,700$348.0K0.01%+37,700New
Rhumbline Advisers37,012$341.0K0.00%+6,028+19.5%Added
Firsthand Capital Management, Inc.35,000$323.0K0.29%00.0%Unchanged
Occudo Quantitative Strategies LP34,182$315.0K0.02%+21,691+173.7%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.33,854$312.0K0.00%+2,489+7.9%Added
Woodmont Investment Counsel LLC32,519$300.0K0.04%+1,000+3.2%Added
Gsa Capital Partners LLP31,936$294.0K0.04%+31,936New
Man Group plc31,443$290.0K0.00%––
Dynamic Technology Lab Private Ltd30,474$281.0K0.03%+30,474New
JPMorgan Chase & Co28,137$259.0K0.00%+3,116+12.5%Added
Schonfeld Strategic Advisors LLC25,600$236.0K0.00%+25,600New
Advisory Research Inc20,197$186.0K0.02%+20,197New
Credit Suisse AG19,776$183.0K0.00%+2,003+11.3%Added
New York State Common Retirement Fund19,730$182.0K0.00%+4,171+26.8%Added
State Board of Administration of Florida Retirement System19,108$176.0K0.00%00.0%Unchanged
Susquehanna International Group, LLP18,570$171.0K0.00%−24,476−56.9%Reduced
PEAK6 Investments LLC17,818$164.0K0.01%−16,288−47.8%Reduced
Simplex Trading, LLC17,249$159.0K0.01%+15,757+1,056.1%Added
MetLife Investment Management16,572$152.8K0.00%+4,859+41.5%Added
Levin Capital Strategies, L.P.16,000$148.0K0.02%+11,000+220.0%Added
Flputnam Investment Management Co16,080$148.0K0.01%+16,080New
XTX Topco Ltd15,986$147.0K0.04%+880+5.8%Added
Versor Investments LP15,400$142.0K0.01%+15,400New
SEI Investments Co14,857$137.0K0.00%−9,499−39.0%Reduced
American International Group, Inc.14,598$135.0K0.00%+1,780+13.9%Added
Mesirow Financial Investment Management, Inc.13,910$128.0K0.61%00.0%Unchanged
Alliancebernstein L.P.12,300$113.0K0.00%−47,922−79.6%Reduced
Invesco Ltd.12,199$113.0K0.00%−19,539−61.6%Reduced
Group One Trading, L.P.12,228$113.0K0.00%+10,861+794.5%Added
Mirae Asset Global Investments Co., Ltd.12,014$111.0K0.00%+12,014New
Legal & General Group Plc11,918$110.0K0.00%+1,504+14.4%Added
Voya Investment Management LLC11,625$107.2K0.00%+1,478+14.6%Added
Manufacturers Life Insurance Company, The11,454$105.6K0.00%−299−2.5%Reduced
Mariner, LLC10,922$101.0K0.00%+10,922New
Abbot Financial Management, Inc.10,823$100.0K0.07%+10+0.1%Added