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 2021
Institutional positions in Aspen Aerogels Inc as of Sep 30, 2021. 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
- 130
- +16 vs. Q2 2021
- Shares held
- 27.6M
- −384.6K (−1.4%) vs. Q2 2021
- Total value
- $1.27B
- +$432.3M (+51.7%) vs. Q2 2021
- New holders
- 30
- 36 more added
- Sold out
- 14
- 52 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 179 | $464.9M |
| Q1 2026 | 166 | $236.7M |
| Q4 2025 | 183 | $199.0M |
| Q3 2025 | 204 | $496.8M |
| Q2 2025 | 182 | $423.4M |
| Q1 2025 | 221 | $455.4M |
| Q4 2024 | 231 | $868.2M |
| Q3 2024 | 243 | $1.93B |
| Q2 2024 | 222 | $1.69B |
| Q1 2024 | 167 | $1.31B |
| Q4 2023 | 170 | $1.18B |
| Q3 2023 | 159 | $582.9M |
| Q2 2023 | 159 | $524.6M |
| Q1 2023 | 156 | $498.6M |
| Q4 2022 | 164 | $793.4M |
| Q3 2022 | 140 | $344.0M |
| Q2 2022 | 148 | $366.3M |
| Q1 2022 | 145 | $1.09B |
| Q4 2021 | 159 | $1.42B |
| Q3 2021 | 130 | $1.27B |
| Q2 2021 | 115 | $849.9M |
| Q1 2021 | 85 | $482.2M |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding Aspen Aerogels Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Spring Creek Capital LLC | 3,462,124 | $159.3M | 7.85% | 00.0% | Unchanged |
| George Kaiser Family Foundation | 3,167,322 | $145.7M | 24.39% | 00.0% | Unchanged |
| Oaktop Capital Management II, L.P. | 2,939,758 | $135.3M | 18.74% | 00.0% | Unchanged |
| Telemark Asset Management, LLC | 1,990,000 | $91.6M | 6.63% | −35,000−1.7% | Reduced |
| BlackRock Inc. | 1,408,299 | $64.8M | 0.00% | −166,273−10.6% | Reduced |
| Vanguard Group Inc | 1,400,557 | $64.4M | 0.00% | +96,094+7.4% | Added |
| Driehaus Capital Management LLC | 1,248,858 | $57.5M | 0.68% | +392,956+45.9% | Added |
| Needham Investment Management LLC | 960,500 | $44.2M | 5.90% | −160,000−14.3% | Reduced |
| State Street Corp | 692,426 | $31.9M | 0.00% | −45,348−6.1% | Reduced |
| FMR LLC | 574,825 | $26.4M | 0.00% | +54,415+10.5% | Added |
| Royce & Associates LP | 496,852 | $22.9M | 0.17% | −88,333−15.1% | Reduced |
| Next Century Growth Investors LLC | 496,056 | $22.8M | 1.98% | −101,817−17.0% | Reduced |
| Essex Investment Management Co LLC | 479,045 | $22.0M | 2.70% | −85,562−15.2% | Reduced |
| Price T Rowe Associates Inc | 452,830 | $20.8M | 0.00% | −54,254−10.7% | Reduced |
| G2 Investment Partners Management LLC | 435,653 | $20.0M | 3.48% | −251,279−36.6% | Reduced |
| Dimensional Fund Advisors LP | 407,784 | $18.8M | 0.01% | +16,561+4.2% | Added |
| Geode Capital Management, LLC | 383,010 | $17.6M | 0.00% | −23,679−5.8% | Reduced |
| Cowen Prime Advisors LLC | 376,750 | $17.3M | 6.45% | −82,450−18.0% | Reduced |
| Baird Financial Group, Inc. | 371,292 | $17.1M | 0.04% | +12,287+3.4% | Added |
| Collaborative Holdings Management LP | 365,700 | $16.8M | 7.15% | +315,700+631.4% | Added |
| UBS Asset Management Americas Inc | 364,203 | $16.8M | 0.01% | +364,203 | New |
| Invesco Ltd. | 361,089 | $16.6M | 0.00% | +274,715+318.1% | Added |
| Samjo Capital LLC | 350,000 | $16.1M | 11.82% | −11,000−3.0% | Reduced |
| Tygh Capital Management, Inc. | 248,357 | $11.4M | 1.55% | +206,258+489.9% | Added |
| Silvercrest Asset Management Group LLC | 209,826 | $9.65M | 0.07% | −70,372−25.1% | Reduced |
| Northern Trust Corp | 207,812 | $9.56M | 0.00% | −17,178−7.6% | Reduced |
| RK Capital Management, LLC | 199,000 | $9.16M | 1.73% | −27,753−12.2% | Reduced |
| Granite Point Capital Management, L.P. | 197,213 | $9.07M | 3.52% | −12,787−6.1% | Reduced |
| Point72 Asset Management, L.P. | 180,300 | $8.30M | 0.04% | +24,200+15.5% | Added |
| Harvey Partners, LLC | 175,000 | $8.05M | 6.10% | −125,000−41.7% | Reduced |
| Kennedy Capital Management, Inc. | 161,519 | $7.43M | 0.17% | −35,408−18.0% | Reduced |
| Millennium Management LLC | 156,510 | $7.20M | 0.01% | −286,251−64.7% | Reduced |
| Calamos Advisors LLC | 124,258 | $5.72M | 0.03% | +124,258 | New |
| Renaissance Technologies LLC | 108,751 | $5.00M | 0.01% | −136,400−55.6% | Reduced |
| Trellus Management Company, LLC | 105,563 | $4.86M | 4.35% | 00.0% | Unchanged |
| EAM Investors, LLC | 99,366 | $4.57M | 0.77% | +91,938+1,237.7% | Added |
| Zevenbergen Capital Investments LLC | 96,662 | $4.45M | 0.08% | +96,662 | New |
| Federated Hermes, Inc. | 90,582 | $4.17M | 0.01% | +90,582 | New |
| Bank of New York Mellon Corp | 90,509 | $4.16M | 0.00% | +24,022+36.1% | Added |
| ExodusPoint Capital Management, LP | 87,280 | $4.02M | 0.06% | +87,280 | New |
| Gilder Gagnon Howe & Co LLC | 85,119 | $3.92M | 0.02% | +85,119 | New |
| EAM Global Investors LLC | 84,747 | $3.90M | 0.92% | +74,275+709.3% | Added |
| UBS Group AG | 83,503 | $3.84M | 0.00% | +393+0.5% | Added |
| Roubaix Capital, LLC | 77,838 | $3.58M | 2.35% | −10,916−12.3% | Reduced |
| Russell Investments Group, Ltd. | 75,519 | $3.47M | 0.01% | +75,519 | New |
| Greenwood Capital Associates LLC | 74,642 | $3.43M | 0.53% | −1,246−1.6% | Reduced |
| Susquehanna International Group, LLP | 73,673 | $3.39M | 0.00% | −18,548−20.1% | Reduced |
| Nuveen Asset Management, LLC | 69,266 | $3.07M | 0.00% | +329+0.5% | Added |
| HAP Trading, LLC | 57,813 | $2.66M | 0.20% | +57,813 | New |
| Charles Schwab Investment Management Inc | 56,326 | $2.59M | 0.00% | −1,471−2.5% | Reduced |
| Wells Fargo & Company | 55,526 | $2.55M | 0.00% | +39,312+242.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 51,158 | $2.35M | 0.01% | −3,488−6.4% | Reduced |
| Advisory Research Inc | 47,639 | $2.19M | 0.14% | +47,639 | New |
| Millrace Asset Group, Inc. | 45,093 | $2.08M | 1.30% | −18,748−29.4% | Reduced |
| Morgan Stanley | 45,083 | $2.08M | 0.00% | +4,137+10.1% | Added |
| Citadel Advisors LLC | 45,015 | $2.07M | 0.00% | +13,937+44.8% | Added |
| Sargent Investment Group, LLC | 38,556 | $1.77M | 0.43% | +25,401+193.1% | Added |
| Firsthand Capital Management, Inc. | 35,000 | $1.61M | 0.48% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 33,068 | $1.52M | 0.00% | +26,081+373.3% | Added |
| Jane Street Group, LLC | 32,956 | $1.52M | 0.00% | +22,253+207.9% | Added |
| Guggenheim Capital LLC | 32,750 | $1.51M | 0.01% | −10,310−23.9% | Reduced |
| Cubist Systematic Strategies, LLC | 27,200 | $1.25M | 0.02% | +24,556+928.7% | Added |
| Alpha Paradigm Partners, LLC | 25,257 | $1.16M | 0.47% | +20,898+479.4% | Added |
| Bridgewater Advisors Inc. | 25,000 | $1.15M | 0.32% | −8,000−24.2% | Reduced |
| AQR Capital Management LLC | 23,409 | $1.08M | 0.00% | +3,135+15.5% | Added |
| Woodmont Investment Counsel LLC | 21,460 | $987.0K | 0.14% | +7,775+56.8% | Added |
| Choate Investment Advisors | 20,362 | $937.0K | 0.06% | +10,000+96.5% | Added |
| Manatuck Hill Partners, LLC | 20,300 | $934.0K | 0.33% | −39,700−66.2% | Reduced |
| Goldman Sachs Group Inc | 20,238 | $931.0K | 0.00% | −35,459−63.7% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 19,881 | $915.0K | 0.02% | −6,006−23.2% | Reduced |
| Alliancebernstein L.P. | 19,700 | $906.0K | 0.00% | +19,700 | New |
| Rhumbline Advisers | 19,588 | $901.0K | 0.00% | +2,067+11.8% | Added |
| SEI Investments Co | 19,478 | $896.0K | 0.00% | +19,478 | New |
| Caption Management, LLC | 18,700 | $860.0K | 0.06% | −33,780−64.4% | Reduced |
| Citigroup Inc | 18,103 | $833.0K | 0.00% | −358−1.9% | Reduced |
| Squarepoint Ops LLC | 17,805 | $819.0K | 0.01% | −5,821−24.6% | Reduced |
| Jump Financial, LLC | 17,215 | $792.0K | 0.06% | +5,439+46.2% | Added |
| Deutsche Bank AG | 16,390 | $755.0K | 0.00% | +2,559+18.5% | Added |
| New York State Common Retirement Fund | 15,588 | $717.0K | 0.00% | −3,272−17.3% | Reduced |
| Bradley Foster & Sargent Inc | 15,342 | $706.0K | 0.02% | −56−0.4% | Reduced |
| Panagora Asset Management Inc | 13,171 | $606.0K | 0.00% | −4,782−26.6% | Reduced |
| JPMorgan Chase & Co | 13,061 | $601.0K | 0.00% | −22,891−63.7% | Reduced |
| HRT Financial LP | 12,262 | $564.0K | 0.00% | +12,262 | New |
| American International Group, Inc. | 12,071 | $555.0K | 0.00% | −33−0.3% | Reduced |
| Boothbay Fund Management, LLC | 12,000 | $552.0K | 0.02% | +12,000 | New |
| California State Teachers Retirement System | 11,954 | $550.0K | 0.00% | −17,818−59.8% | Reduced |
| Manufacturers Life Insurance Company, The | 11,655 | $536.0K | 0.00% | −1,918−14.1% | Reduced |
| Royal Bank of Canada | 10,744 | $495.0K | 0.00% | −1,799−14.3% | Reduced |
| Engineers Gate Manager LP | 9,763 | $449.0K | 0.03% | +9,763 | New |
| State Board of Administration of Florida Retirement System | 9,401 | $433.0K | 0.00% | +180+2.0% | Added |
| Taylor, Cottrill, Erickson & Associates, Inc. | 9,000 | $414.0K | 0.06% | 00.0% | Unchanged |
| Barclays PLC | 9,013 | $414.0K | 0.00% | +6,185+218.7% | Added |
| Assenagon Asset Management S.A. | 8,915 | $410.0K | 0.00% | −13,240−59.8% | Reduced |
| Simplex Trading, LLC | 11,568 | $400.0K | 0.01% | +10.0% | Added |
| Voya Investment Management LLC | 8,651 | $398.0K | 0.00% | 00.0% | Unchanged |
| ARS Investment Partners, LLC | 8,393 | $386.0K | 0.04% | −1,096−11.6% | Reduced |
| Occudo Quantitative Strategies LP | 8,014 | $369.0K | 0.04% | +8,014 | New |
| SG Americas Securities, LLC | 7,830 | $360.0K | 0.00% | −52,028−86.9% | Reduced |
| State of Wisconsin Investment Board | 7,600 | $350.0K | 0.00% | +7,600 | New |
| MetLife Investment Management | 7,483 | $344.3K | 0.00% | −1,857−19.9% | Reduced |