Aspen AerogelsASPN
13F holders, Q3 2024 (September 30)243holders +21
63new positions
43sold out
6famous investors
$27.44avg. 13F price*
At the end of Q3 2024, 243 institutions reported holding Aspen Aerogels Inc. (ASPN) in their 13F filings, up 21 from Q2 2024. 63 opened new positions and 43 sold out. The largest holders were Kim, LLC ($341.5M), BlackRock, Inc. ($129.2M) and Vanguard Group Inc. ($114.5M). 6 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Aspen Aerogels Inc.
- CUSIP
- 04523Y105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 63 | $69.0M |
| Exits | 43 | $92.5M |
All 13F filers, Q2 2024 → Q3 2024: 8,809,124 shares bought and 9,496,617 shares sold, net −687,493 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 243 holders
| Kim, LLC | 44.08% | No change | 12,280,426 | $341.5M |
| BlackRock, Inc. | 0.00% | — | 4,664,325 | $129.2M |
| Vanguard Group Inc. | 0.00% | Add +3.0% | 4,133,995 | $114.5M |
| FMR LLC | 0.01% | Add +23.6% | 4,050,896 | $112.2M |
| Oaktop Capital Management Ii, L.P. | 10.70% | Add +6.0% | 3,540,525 | $98.0M |
| George Kaiser Family Foundation | 13.40% | No change | 3,167,322 | $87.7M |
| Driehaus Capital Management LLC | 0.61% | Add +18.3% | 2,550,857 | $70.6M |
| Needham Investment Management LLC | 4.83% | Reduce -1.2% | 2,272,200 | $62.9M |
| Encompass Capital Advisors LLC | 2.30% | Reduce -12.7% | 1,703,151 | $47.2M |
| Loomis Sayles & Co. L P | 0.06% | Add +22.8% | 1,619,320 | $44.8M |
| Dimensional Fund Advisors LP | 0.01% | Add +17.0% | 1,608,769 | $44.5M |
| Telemark Asset Management, LLC | 4.17% | No change | 1,492,424 | $41.3M |
| American Century Companies Inc. | 0.02% | Add +93.5% | 1,491,123 | $41.3M |
| State Street Corp. | 0.00% | Add +0.6% | 1,410,543 | $39.1M |
| Geode Capital Management, LLC | 0.00% | Add +5.7% | 1,385,968 | $38.4M |
| Royce & Associates LP | 0.31% | Reduce -2.2% | 1,212,097 | $33.6M |
| AWM Investment Company, Inc. | 3.94% | Reduce -1.1% | 1,174,571 | $32.5M |
| Federated Hermes, Inc. | 0.06% | No change | 998,600 | $27.7M |
| UniSuper Management Pty Ltd | 0.20% | No change | 955,387 | $26.5M |
| Samjo Management, LLC | 8.56% | Reduce -13.7% | 895,775 | $24.8M |
| Morgan Stanley | 0.00% | Add +53.2% | 825,877 | $22.9M |
| Nuveen Asset Management, LLC | 0.01% | Add +57.1% | 740,892 | $20.5M |
| Frontier Capital Management Co. LLC | 0.18% | Reduce -59.4% | 708,714 | $19.6M |
| Northern Trust Corp. | 0.00% | Add +10.2% | 563,686 | $15.6M |
| Macquarie Group Ltd. | 0.02% | New | 550,018 | $15.2M |
| Rice Hall James & Associates, LLC | 0.80% | Add +19.9% | 535,113 | $14.8M |
| Susquehanna International Group, LLP | 0.02% | Add +243.0% | 511,131 | $14.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +204.7% | 509,430 | $14.1M |
| Mesirow Institutional Investment Management, Inc. | 1.01% | Add +14.1% | 477,070 | $13.2M |
| Ameriprise Financial Inc. | 0.00% | Reduce -30.4% | 445,379 | $12.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +153.2% | 399,534 | $11.1M |
| Citadel Advisors | 0.01% | Reduce -36.9% | 397,785 | $11.0M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -11.4% | 390,757 | $10.8M |
| Lord, Abbett & Co. LLC | 0.03% | New | 365,701 | $10.1M |
| Baird Financial Group, Inc. | 0.02% | Reduce -14.3% | 344,092 | $9.5M |
| Sargent Investment Group, LLC | 1.61% | Add +1.8% | 323,369 | $9.0M |
| Deutsche Bank AG | 0.00% | Add +3.6% | 303,150 | $8.4M |
| Squarepoint Ops LLC | 0.03% | Add +76.9% | 284,238 | $7.9M |
| Gilder Gagnon Howe & Co. LLC | 0.09% | Reduce -2.1% | 279,754 | $7.7M |
| First Trust Advisors LP | 0.01% | Add +0.8% | 276,055 | $7.6M |
| Allspring Global Investments Holdings, LLC | 0.01% | Add +415.2% | 238,884 | $6.6M |
| State of Wisconsin Investment Board | 0.02% | Reduce -2.2% | 233,391 | $6.5M |
| Essex Investment Management Co. LLC | 1.04% | Reduce -26.9% | 215,767 | $6.0M |
| Silvercrest Asset Management Group LLC | 0.04% | Reduce -22.9% | 193,284 | $5.4M |
| Kennedy Capital Management LLC | 0.11% | Add +61.5% | 184,459 | $5.1M |
| Scout Investments, Inc. | 0.13% | New | 220,332 | $5.1M |
| Castleark Management LLC | 0.20% | Reduce -22.0% | 177,874 | $4.9M |
| Bank of New York Mellon Corp | 0.00% | Reduce -23.3% | 173,790 | $4.8M |
| Alps Advisors Inc. | 0.03% | Reduce -6.6% | 160,411 | $4.4M |
| Wellington Management Group LLP | 0.00% | New | 150,632 | $4.2M |
| Redwood Grove Capital, LLC | 1.11% | Add +10.9% | 147,705 | $4.1M |
| Renaissance Technologies | 0.01% | Reduce -61.7% | 133,900 | $3.7M |
| UBS Group AG | 0.00% | Reduce -1.8% | 131,251 | $3.6M |
| Hillsdale Investment Management Inc. | 0.28% | Reduce -15.4% | 129,460 | $3.6M |
| Algert Global LLC | 0.10% | Add +60.2% | 127,764 | $3.5M |
| Swiss National Bank | 0.00% | Add +4.9% | 126,400 | $3.5M |
| Bank of America Corp. | 0.00% | Add +4.0% | 125,009 | $3.5M |
| Ardsley Advisory Partners LP | 0.66% | Reduce -68.3% | 125,000 | $3.5M |
| Sora Investors LLC | 0.60% | New | 125,000 | $3.5M |
| Black Swift Group, LLC | 0.65% | Add +34.1% | 106,500 | $2.9M |
| Balyasny Asset Management L.P. | 0.01% | New | 106,133 | $2.9M |
| Firsthand Capital Management, Inc. | 5.74% | Add +2000.0% | 105,000 | $2.9M |
| Oppenheimer & Co. Inc. | 0.04% | Add +167.2% | 102,535 | $2.8M |
| Jump Financial, LLC | 0.06% | Add +14.0% | 98,100 | $2.7M |
| Barclays PLC | 0.00% | Add +333.8% | 92,302 | $2.6M |
| Seven Eight Capital, LP | 0.23% | Reduce -13.2% | 91,423 | $2.5M |
| Bouvel Investment Partners, LLC | 0.95% | Reduce -3.0% | 90,992 | $2.5M |
| Rhumbline Advisers | 0.00% | Reduce -2.9% | 90,490 | $2.5M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Add +10.1% | 88,714 | $2.5M |
| Alberta Investment Management Corp | 0.02% | New | 85,106 | $2.4M |
| HRT Financial LP | 0.01% | New | 83,739 | $2.3M |
| Wells Fargo & Company | 0.00% | Add +96.6% | 83,560 | $2.3M |
| Informed Momentum Co LLC | 0.34% | Reduce -22.8% | 81,034 | $2.2M |
| Two Sigma Investments, LP | 0.01% | Reduce -80.2% | 80,326 | $2.2M |
| Capital Fund Management S.A. | 0.02% | New | 75,558 | $2.1M |
| Strategic Wealth Partners, Ltd. | 0.20% | Add +93.3% | 75,182 | $2.1M |
| Aquatic Capital Management LLC | 0.05% | Add +64.8% | 70,200 | $1.9M |
| NewEdge Advisors, LLC | 0.01% | Add +22.9% | 65,216 | $1.8M |
| Citigroup Inc. | 0.00% | Add +301.6% | 64,615 | $1.8M |
| Graham Capital Management, L.P. | 0.09% | Reduce -5.4% | 63,298 | $1.8M |
| Legal & General Group Plc | 0.00% | Add +8.1% | 63,190 | $1.7M |
| California State Teachers Retirement System | 0.00% | Add +1.9% | 60,781 | $1.7M |
| Caption Management, LLC | 0.18% | New | 60,555 | $1.7M |
| Alliancebernstein L.P. | 0.00% | No change | 57,610 | $1.6M |
| Redwood Investments, LLC | 0.46% | Add +23.6% | 55,907 | $1.5M |
| Peregrine Asset Advisers, Inc. | 0.52% | New | 54,897 | $1.5M |
| Legato Capital Management LLC | 0.18% | Reduce -33.7% | 52,957 | $1.5M |
| Jane Street Group, LLC | 0.00% | Reduce -85.3% | 52,487 | $1.5M |
| Bridgewater Advisors Inc. | 0.15% | Add +37.8% | 77,357 | $1.4M |
| Bantamac Capital, LLC | 0.68% | Add +15.8% | 50,809 | $1.4M |
| Formula Growth Ltd. | 0.48% | Add +66.7% | 50,000 | $1.4M |
| Invesco Ltd. | 0.00% | Reduce -87.6% | 49,147 | $1.4M |
| Penserra Capital Management LLC | 0.03% | New | 48,482 | $1.3M |
| Sei Investments Co. | 0.00% | Reduce -6.5% | 46,472 | $1.3M |
| DLD Asset Management, LP | 3.22% | New | 660,310 | $1.3M |
| D.A. Davidson & Co. | 0.01% | Reduce -0.3% | 42,692 | $1.2M |
| Shelton Wealth Management, LLC | 0.67% | New | 42,640 | $1.2M |
| Fuller & Thaler Asset Management, Inc. | 0.00% | Reduce -77.5% | 38,170 | $1.1M |
| Comerica Bank | 0.00% | Reduce -65.6% | 35,957 | $996K |
| Harbour Capital Advisors, LLC | 0.23% | Add +0.4% | 43,525 | $988K |
| Dakota Wealth Management | 0.02% | New | 35,609 | $986K |
| Group One Trading LLC | 0.04% | New | 35,381 | $980K |
| Greenwood Capital Associates LLC | 0.13% | Reduce -1.9% | 35,189 | $974K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +35.1% | 35,121 | $973K |
| MetLife Investment Management, LLC | 0.01% | No change | 33,664 | $932K |
| Millennium Management | 0.00% | Reduce -91.5% | 33,390 | $925K |
| Promethium Advisors,llc | 0.65% | — | 33,065 | $916K |
| Royal Bank of Canada | 0.00% | Add +147.7% | 32,125 | $889K |
| Harvest Investment Services, LLC | 0.28% | Add +17.2% | 32,105 | $889K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +22.9% | 31,999 | $886K |
| Corebridge Financial, Inc. | 0.00% | Reduce -0.6% | 31,153 | $863K |
| Marshall Wace, LLP | 0.00% | Add +20.1% | 31,100 | $861K |
| T. Rowe Price Associates Inc. | 0.00% | Add +40.6% | 30,763 | $852K |
| Janus Henderson Group PLC | 0.00% | No change | 30,455 | $843K |
| Virtu Financial LLC | 0.05% | Reduce -23.0% | 30,034 | $832K |
| IMC-Chicago, LLC | 0.02% | Add +119.3% | 29,613 | $820K |
| Lombard Odier Asset Management (USA) Corp | 0.35% | New | 29,528 | $818K |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.08% | No change | 29,131 | $807K |
| Abbot Financial Management, Inc. | 0.41% | Add +15.4% | 29,109 | $806K |
| CHURCHILL MANAGEMENT Corp | 0.01% | Reduce -13.8% | 28,941 | $801K |
| Simplex Trading, LLC | 0.02% | Reduce -22.1% | 26,481 | $733K |
| Verition Fund Management LLC | 0.01% | Add +27.4% | 25,953 | $719K |
| JPMorgan Chase & Co. | 0.00% | Add +3.2% | 25,690 | $711K |
| Woodmont Investment Counsel LLC | 0.05% | No change | 25,350 | $702K |
| Gsa Capital Partners LLP | 0.05% | Reduce -62.5% | 24,860 | $688K |
| ARS Investment Partners, LLC | 0.06% | Reduce -3.5% | 24,587 | $681K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -3.7% | 24,355 | $674K |
| Franklin Resources Inc. | 0.00% | Add +5.3% | 29,418 | $670K |
| Numerai GP LLC | 0.17% | Reduce -24.9% | 23,333 | $646K |
| Wolverine Trading, LLC | 0.02% | New | 21,858 | $624K |
| D. E. Shaw & Co. | 0.00% | Reduce -95.8% | 22,465 | $622K |
| LPL Financial LLC | 0.00% | Add +10.6% | 22,063 | $611K |
| Envestnet Asset Management Inc. | 0.00% | New | 21,642 | $599K |
| Yorktown Management & Research Co Inc | 0.61% | New | 21,500 | $595K |
| HB Wealth Management, LLC | 0.01% | New | 21,363 | $592K |
| Perigon Wealth Management, LLC | 0.02% | Add +135.6% | 20,655 | $572K |
| Allianz Asset Management GmbH | 0.00% | New | 20,289 | $562K |
| New York State Common Retirement Fund | 0.00% | Reduce -18.9% | 20,131 | $557K |
| AMH Equity Ltd | 0.73% | New | 20,000 | $554K |
| Voya Investment Management LLC | 0.00% | Reduce -2.6% | 18,898 | $523K |
| Arizona State Retirement System | 0.00% | Add +8.6% | 18,640 | $516K |
| BNP Paribas Financial Markets | 0.00% | Reduce -82.7% | 18,189 | $504K |
| Wilmington Savings Fund Society, FSB | 0.01% | New | 18,000 | $498K |
| Intech Investment Management LLC | 0.01% | New | 17,956 | $497K |
| Nebula Research & Development LLC | 0.05% | Add +90.8% | 16,435 | $455K |
| Mariner, LLC | 0.00% | Add +7.5% | 16,404 | $454K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Add +5.5% | 16,276 | $451K |
| Convergence Investment Partners, LLC | 0.11% | New | 15,257 | $422K |
| Commonwealth Equity Services, LLC | 0.00% | New | 15,210 | $421K |
| Y-Intercept (Hong Kong) Ltd | 0.03% | New | 15,175 | $420K |
| Maven Securities LTD | 0.05% | New | 15,000 | $415K |
| Cim, LLC | 0.06% | Reduce -0.7% | 14,965 | $414K |
| AQR Capital Management | 0.00% | Reduce -81.4% | 14,659 | $406K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 14,618 | $405K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 14,310 | $396K |
| Cornerstone Investment Partners, LLC | 0.02% | Add +3.4% | 13,965 | $387K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -93.4% | 13,858 | $384K |
| SG Americas Securities, LLC | 0.00% | New | 13,700 | $379K |
| Walleye Trading LLC | 0.01% | Add +10287.0% | 13,607 | $377K |
| Bank of Montreal | 0.00% | Add +0.9% | 13,099 | $374K |
| Petrus Trust Company, LTA | 0.04% | New | 13,426 | $372K |
| Ballentine Partners, LLC | 0.01% | Reduce -0.9% | 13,349 | $370K |
| TD Waterhouse Canada Inc. | 0.00% | Add +13185.0% | 13,285 | $349K |
| Precision Wealth Strategies, LLC | 0.32% | New | 12,551 | $348K |
| Baader Bank Aktiengesellschaft | 0.03% | New | 12,291 | $340K |
| Walleye Capital LLC | 0.00% | Reduce -83.3% | 11,580 | $321K |
| ProShare Advisors LLC | 0.00% | New | 11,010 | $305K |
| Gotham Asset Management | 0.00% | New | 10,606 | $294K |
| Independent Financial Group, LLC | 0.01% | Add +14.5% | 10,308 | $285K |
| Choate Investment Advisors | 0.01% | No change | 10,000 | $277K |
| Cannell & Spears LLC | 0.01% | New | 10,000 | $277K |
| Sigma Planning Corp | 0.01% | New | 9,880 | $274K |
| Victory Capital Management Inc. | 0.00% | Reduce -0.4% | 9,604 | $266K |
| Morse Asset Management, Inc | 0.06% | New | 9,543 | $264K |
| NorthCoast Asset Management LLC | 0.00% | New | 9,500 | $263K |
| Osaic Holdings, Inc. | 0.00% | Reduce -75.1% | 9,303 | $258K |
| Raymond James & Associates | 0.00% | Reduce -50.6% | 9,250 | $256K |
| Pictet Asset Management Holding SA | 0.00% | No change | 9,156 | $254K |
| NorthCrest Asset Manangement, LLC | 0.01% | Reduce -0.0% | 9,103 | $252K |
| Mesirow Financial Investment Management, Inc. | 0.00% | New | 9,100 | $252K |
| HighPoint Advisor Group LLC | 0.01% | New | 13,850 | $250K |
| Raymond James Financial Services Advisors, Inc. | 0.00% | New | 8,432 | $233K |
| EntryPoint Capital, LLC | 0.13% | New | 8,141 | $225K |
| Pursue Wealth Partners LLC | 0.12% | New | 8,025 | $222K |
| Sanders Morris Harris LLC | 0.04% | New | 8,000 | $222K |
| ExodusPoint Capital Management, LP | 0.00% | New | 7,857 | $218K |
| HSBC Holdings PLC | 0.00% | Reduce -76.3% | 7,275 | $216K |
| AlphaQuest LLC | 0.02% | Add +263.3% | 7,397 | $205K |
| Tower Research Capital LLC (TRC) | 0.01% | Reduce -49.7% | 7,353 | $204K |
| Venture Visionary Partners LLC | 0.01% | New | 6,767 | $187K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 6,088 | $169K |
| nVerses Capital, LLC | 0.07% | Add +45.0% | 5,800 | $161K |
| Ameritas Investment Partners, Inc. | 0.01% | No change | 5,708 | $158K |
| Catalyst Funds Management Pty Ltd | 0.03% | New | 4,400 | $122K |
| Quent Capital, LLC | 0.01% | New | 4,149 | $118K |
| First PREMIER Bank | 0.03% | No change | 4,000 | $111K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -95.2% | 3,343 | $93K |
| Banque Cantonale Vaudoise | 0.00% | No change | 3,264 | $90K |
| KBC Group NV | 0.00% | No change | 1,764 | $49K |
| Bokf, NA | 0.00% | New | 2,000 | $48K |
| Amalgamated Bank | 0.00% | No change | 1,744 | $48K |
| FinTrust Capital Advisors, LLC | 0.01% | New | 1,545 | $43K |
| Harel Insurance Investments & Financial Services Ltd. | 0.00% | Reduce -10.7% | 1,404 | $39K |
| US Bancorp \de | 0.00% | Reduce -57.6% | 1,290 | $36K |
| PNC Financial Services Group, Inc. | 0.00% | Add +71.5% | 1,029 | $28K |
| UMB Bank, n.a. | 0.00% | No change | 865 | $24K |
| Exchange Traded Concepts, LLC | 0.00% | Reduce -24.5% | 655 | $18K |
| Picton Mahoney Asset Management | 0.00% | New | 580 | $16K |
| GAMMA Investing LLC | 0.00% | Add +98.1% | 521 | $14K |
| Cwm, LLC | 0.00% | Reduce -16.9% | 511 | $14K |
| Planned Solutions, Inc. | 0.01% | New | 500 | $14K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -9.0% | 406 | $11K |
| Venturi Wealth Management, LLC | 0.00% | No change | 300 | $8K |
| IFP Advisors, Inc | 0.00% | No change | 295 | $8K |
| Signaturefd, LLC | 0.00% | No change | 293 | $8K |
| Colonial Trust Co / SC | 0.00% | Add +60.0% | 288 | $8K |
| Red Tortoise LLC | 0.00% | No change | 271 | $8K |
| HighMark Wealth Management LLC | 0.00% | No change | 250 | $7K |
| Lindbrook Capital, LLC | 0.00% | Add +21.2% | 234 | $6K |
| HHM Wealth Advisors, LLC | 0.00% | No change | 200 | $6K |
| Nvwm, LLC | 0.00% | New | 192 | $5K |
| Farther Finance Advisors, LLC | 0.00% | Add +2.8% | 181 | $5K |
| Smartleaf Asset Management LLC | 0.00% | No change | 169 | $5K |
| Sterling Capital Management LLC | 0.00% | — | 170 | $5K |
| Bessemer Group Inc. | 0.00% | New | 115 | $3K |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 60 | $2K |
| Rothschild Investment LLC | 0.00% | Add +120.0% | 55 | $2K |
| Colonial Trust Advisors | 0.00% | No change | 50 | $1K |
| Allworth Financial LP | 0.00% | Add +300.0% | 32 | $887 |
| Blue Trust, Inc. | 0.00% | New | 30 | $716 |
| Bell Investment Advisors, Inc | 0.00% | New | 23 | $637 |
| PEAK6 Investments LLC | 0.00% | Reduce -100.0% | 23 | $637 |
| C M Bidwell & Associates Ltd. | 0.00% | No change | 22 | $609 |
| Parallel Advisors, LLC | 0.00% | New | 22 | $609 |
| Quadrant Capital Group LLC | 0.00% | No change | 19 | $527 |
| Earned Wealth Advisors, LLC | 0.00% | New | 15 | $415 |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 15 | $415 |
| Larson Financial Group LLC | 0.00% | New | 14 | $388 |
| WR Wealth Planners, LLC | 0.00% | No change | 12 | $332 |
| Criterion Capital Advisors, LLC | 0.00% | No change | 7 | $167 |
| Creekmur Asset Management LLC | 0.00% | New | 3 | $83 |
| TFC Financial Management, Inc. | 0.00% | No change | 2 | $56 |
| Covestor Ltd | 0.00% | No change | 6 | $0 |
"% of holder's portfolio" is ASPN's weight in each manager's 13F, not the share of Aspen Aerogels Inc. the manager owns.