Aspen AerogelsASPN
13F holders, Q4 2024 (December 31)231holders −12
51new positions
69sold out
5famous investors
$11.89avg. 13F price*
At the end of Q4 2024, 231 institutions reported holding Aspen Aerogels Inc. (ASPN) in their 13F filings, down 12 from Q3 2024. 51 opened new positions and 69 sold out. The largest holders were Kim, LLC ($145.9M), BlackRock, Inc. ($59.4M) and Vanguard Group Inc. ($51.8M). 5 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Aspen Aerogels Inc.
- CUSIP
- 04523Y105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 51 | $92.5M |
| Exits | 69 | $248.4M |
All 13F filers, Q3 2024 → Q4 2024: 17,576,138 shares bought and 14,762,620 shares sold, net +2,813,518 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 231 holders
| Kim, LLC | 25.43% | No change | 12,280,426 | $145.9M |
| BlackRock, Inc. | 0.00% | Add +7.2% | 5,001,205 | $59.4M |
| Vanguard Group Inc. | 0.00% | Add +5.5% | 4,360,246 | $51.8M |
| Oaktop Capital Management Ii, L.P. | 5.55% | Add +5.7% | 3,740,525 | $44.4M |
| George Kaiser Family Foundation | 5.54% | No change | 3,167,322 | $37.6M |
| Needham Investment Management LLC | 2.19% | Add +5.2% | 2,389,700 | $28.4M |
| Dimensional Fund Advisors LP | 0.01% | Add +25.5% | 2,018,631 | $24.0M |
| Telemark Asset Management, LLC | 2.24% | Add +26.8% | 1,892,424 | $22.5M |
| Millennium Management | 0.02% | Add +4757.8% | 1,622,022 | $19.3M |
| State Street Corp. | 0.00% | Add +5.5% | 1,487,462 | $17.7M |
| Geode Capital Management, LLC | 0.00% | Add +5.6% | 1,464,163 | $17.4M |
| Cubist Systematic Strategies, LLC | 0.27% | New | 1,393,213 | $16.6M |
| FMR LLC | 0.00% | Reduce -69.7% | 1,226,073 | $14.6M |
| AWM Investment Company, Inc. | 1.75% | Add +2.9% | 1,208,686 | $14.4M |
| Point72 Asset Management | 0.04% | New | 1,104,549 | $13.1M |
| American Century Companies Inc. | 0.01% | Reduce -32.7% | 1,003,184 | $11.9M |
| Royce & Associates LP | 0.10% | Reduce -21.9% | 946,623 | $11.2M |
| Samjo Management, LLC | 3.92% | Reduce -2.4% | 874,650 | $10.4M |
| UniSuper Management Pty Ltd | 0.07% | Reduce -11.2% | 848,287 | $10.1M |
| Alyeska Investment Group, L.P. | 0.04% | New | 800,000 | $9.5M |
| Qube Research & Technologies Ltd | 0.02% | Add +5551.9% | 783,235 | $9.3M |
| Morgan Stanley | 0.00% | Reduce -6.1% | 775,331 | $9.2M |
| Dendur Capital LP | 1.05% | New | 775,000 | $9.2M |
| Renaissance Technologies | 0.01% | Add +472.4% | 766,400 | $9.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +71.9% | 671,770 | $8.0M |
| Northern Trust Corp. | 0.00% | Add +13.7% | 641,050 | $7.6M |
| Federated Hermes, Inc. | 0.02% | Reduce -36.9% | 630,500 | $7.5M |
| Citadel Advisors | 0.01% | Add +56.9% | 624,230 | $7.4M |
| Two Sigma Investments, LP | 0.02% | Add +638.0% | 592,765 | $7.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +47.3% | 588,395 | $7.0M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -24.1% | 562,303 | $6.7M |
| Rice Hall James & Associates, LLC | 0.36% | Add +3.6% | 554,202 | $6.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +7.9% | 549,709 | $6.5M |
| Frontier Capital Management Co. LLC | 0.06% | Reduce -25.8% | 525,738 | $6.2M |
| Ameriprise Financial Inc. | 0.00% | Add +17.8% | 524,501 | $6.2M |
| M&G PLC | 0.04% | New | 511,314 | $6.1M |
| First Trust Advisors LP | 0.01% | Add +78.4% | 492,507 | $5.9M |
| Mesirow Institutional Investment Management, Inc. | 0.45% | Add +2.4% | 488,595 | $5.8M |
| Sora Investors LLC | 0.64% | Add +289.8% | 487,245 | $5.8M |
| CastleKnight Management LP | 0.62% | New | 445,599 | $5.3M |
| Algert Global LLC | 0.12% | Add +244.8% | 440,471 | $5.2M |
| UBS Group AG | 0.00% | Add +232.1% | 435,843 | $5.2M |
| Prescott Group Capital Management, L.L.C. | 0.70% | New | 431,500 | $5.1M |
| Deutsche Bank AG | 0.00% | Add +37.0% | 415,391 | $4.9M |
| Squarepoint Ops LLC | 0.01% | Add +41.6% | 402,446 | $4.8M |
| Baird Financial Group, Inc. | 0.01% | Add +16.6% | 401,131 | $4.8M |
| Trexquant Investment LP | 0.06% | New | 400,664 | $4.8M |
| Sargent Investment Group, LLC | 0.77% | Add +14.7% | 371,049 | $4.7M |
| State of Wisconsin Investment Board | 0.01% | Add +21.9% | 284,408 | $3.4M |
| Caption Management, LLC | 0.13% | Add +333.7% | 262,610 | $3.1M |
| Ardsley Advisory Partners LP | 0.60% | Add +108.9% | 261,100 | $3.1M |
| Voloridge Investment Management, LLC | 0.01% | New | 260,027 | $3.1M |
| Essex Investment Management Co. LLC | 0.53% | Add +15.1% | 248,243 | $2.9M |
| Raymond James Financial Inc. | 0.00% | — | 244,854 | $2.9M |
| Jump Financial, LLC | 0.06% | Add +144.5% | 239,895 | $2.8M |
| Kennedy Capital Management LLC | 0.06% | Add +21.7% | 224,475 | $2.7M |
| Wells Fargo & Company | 0.00% | Add +158.6% | 216,049 | $2.6M |
| Bank of New York Mellon Corp | 0.00% | Add +9.3% | 189,884 | $2.3M |
| Oppenheimer & Co. Inc. | 0.03% | Add +77.0% | 181,528 | $2.2M |
| Susquehanna International Group, LLP | 0.00% | Reduce -67.3% | 167,209 | $2.0M |
| Engineers Gate Manager LP | 0.03% | New | 155,087 | $1.8M |
| Allspring Global Investments Holdings, LLC | 0.00% | Reduce -36.1% | 152,517 | $1.8M |
| Capital Fund Management S.A. | 0.02% | Add +100.4% | 151,404 | $1.8M |
| Redwood Grove Capital, LLC | 0.54% | No change | 147,705 | $1.8M |
| LMR Partners LLP | 0.04% | New | 141,785 | $1.7M |
| Schonfeld Strategic Advisors LLC | 0.01% | New | 138,700 | $1.6M |
| BNP Paribas Financial Markets | 0.00% | Add +645.4% | 135,584 | $1.6M |
| Graham Capital Management, L.P. | 0.08% | Add +107.7% | 131,475 | $1.6M |
| Palogic Value Management, L.P. | 0.63% | New | 130,000 | $1.5M |
| Swiss National Bank | 0.00% | Add +1.9% | 128,800 | $1.5M |
| Alps Advisors Inc. | 0.01% | Reduce -22.6% | 124,233 | $1.5M |
| IMC-Chicago, LLC | 0.04% | Add +310.9% | 121,667 | $1.4M |
| Bryce Point Capital, LLC | 0.41% | — | 120,173 | $1.4M |
| Bank of America Corp. | 0.00% | Reduce -4.1% | 119,873 | $1.4M |
| Aquatic Capital Management LLC | 0.04% | Add +67.0% | 117,212 | $1.4M |
| Barclays PLC | 0.00% | Add +16.8% | 107,764 | $1.3M |
| JPMorgan Chase & Co. | 0.00% | Add +311.0% | 105,591 | $1.3M |
| Firsthand Capital Management, Inc. | 2.60% | No change | 105,000 | $1.2M |
| DLD Asset Management, LP | 1.61% | Reduce -84.2% | 104,253 | $1.2M |
| Tudor Investment Corporation | 0.01% | New | 101,479 | $1.2M |
| Rhumbline Advisers | 0.00% | Add +2.8% | 93,044 | $1.1M |
| Group One Trading LLC | 0.04% | Add +148.3% | 87,832 | $1.0M |
| Fox Run Management, L.L.C. | 0.19% | New | 87,573 | $1.0M |
| Citigroup Inc. | 0.00% | Add +35.5% | 87,559 | $1.0M |
| Bridgewater Advisors Inc. | 0.11% | Add +6.5% | 82,352 | $1.0M |
| XTX Topco Ltd | 0.09% | New | 85,747 | $1.0M |
| Jane Street Group, LLC | 0.00% | Add +62.8% | 85,462 | $1.0M |
| HRT Financial LP | 0.01% | Reduce -2.4% | 81,702 | $970K |
| Walleye Capital LLC | 0.01% | Add +597.8% | 80,805 | $960K |
| Storebrand Asset Management As | 0.00% | New | 68,846 | $818K |
| Dynamic Technology Lab Private Ltd | 0.13% | New | 65,471 | $778K |
| Wellington Management Group LLP | 0.00% | Reduce -57.0% | 64,700 | $769K |
| Quantbot Technologies LP | 0.03% | New | 64,672 | $768K |
| Bouvel Investment Partners, LLC | 0.28% | Reduce -29.3% | 64,363 | $765K |
| Legal & General Group Plc | 0.00% | Add +0.6% | 63,538 | $755K |
| Cannell & Spears LLC | 0.02% | Add +529.3% | 62,930 | $748K |
| NewEdge Advisors, LLC | 0.00% | Reduce -6.3% | 61,088 | $726K |
| California State Teachers Retirement System | 0.00% | Add +0.4% | 61,045 | $725K |
| Two Sigma Advisers, LP | 0.00% | New | 61,000 | $725K |
| Campbell & CO Investment Adviser LLC | 0.06% | New | 60,649 | $721K |
| Alliancebernstein L.P. | 0.00% | No change | 57,610 | $684K |
| Bayesian Capital Management, LP | 0.08% | New | 53,909 | $640K |
| Invesco Ltd. | 0.00% | Add +3.5% | 50,871 | $604K |
| Lombard Odier Asset Management (USA) Corp | 0.26% | Add +67.3% | 49,398 | $587K |
| Verition Fund Management LLC | 0.00% | Add +82.4% | 47,330 | $562K |
| Envestnet Asset Management Inc. | 0.00% | Add +118.4% | 47,262 | $561K |
| Promethium Advisors,llc | 0.38% | Add +41.8% | 46,880 | $557K |
| Nebula Research & Development LLC | 0.07% | Add +184.7% | 46,787 | $556K |
| Yorktown Management & Research Co Inc | 0.50% | Add +105.1% | 44,100 | $524K |
| Qsemble Capital Management, LP | 0.07% | New | 44,031 | $523K |
| Gsa Capital Partners LLP | 0.04% | Add +76.6% | 43,899 | $522K |
| T. Rowe Price Associates Inc. | 0.00% | Add +38.0% | 42,451 | $505K |
| Legato Capital Management LLC | 0.06% | Reduce -23.0% | 40,770 | $484K |
| Point72 (DIFC) Ltd | 0.04% | New | 39,237 | $466K |
| Fuller & Thaler Asset Management, Inc. | 0.00% | Add +0.1% | 38,200 | $454K |
| Greenwood Capital Associates LLC | 0.06% | Add +5.0% | 36,938 | $439K |
| Alpha DNA Investment Management LLC | 0.24% | New | 36,860 | $438K |
| Sanders Morris Harris LLC | 0.07% | Add +337.5% | 35,000 | $436K |
| Connective Capital Management, LLC | 0.50% | New | 36,475 | $433K |
| Perigon Wealth Management, LLC | 0.01% | Add +66.8% | 34,451 | $433K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +35.7% | 33,043 | $430K |
| MetLife Investment Management, LLC | 0.00% | Add +6.3% | 35,782 | $425K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +9.5% | 35,040 | $416K |
| NorthCoast Asset Management LLC | 0.00% | Add +260.4% | 34,240 | $407K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -11.7% | 30,997 | $368K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 30,691 | $365K |
| Royal Bank of Canada | 0.00% | Reduce -4.9% | 30,539 | $362K |
| Janus Henderson Group PLC | 0.00% | No change | 30,455 | $361K |
| Abbot Financial Management, Inc. | 0.18% | Add +3.9% | 30,255 | $359K |
| Maven Securities LTD | 0.06% | Add +100.0% | 30,000 | $356K |
| Franklin Resources Inc. | 0.00% | Add +0.1% | 29,435 | $350K |
| Corton Capital Inc. | 0.20% | New | 29,277 | $348K |
| EntryPoint Capital, LLC | 0.14% | Add +253.9% | 28,811 | $342K |
| Intech Investment Management LLC | 0.00% | Add +57.4% | 28,267 | $336K |
| Sei Investments Co. | 0.00% | Reduce -39.3% | 28,193 | $335K |
| Woodmont Investment Counsel LLC | 0.02% | No change | 25,350 | $301K |
| Russell Investments Group, Ltd. | 0.00% | Add +654.9% | 25,237 | $300K |
| Marshall Wace, LLP | 0.00% | Reduce -21.1% | 24,530 | $291K |
| Tower Research Capital LLC (TRC) | 0.01% | Add +231.4% | 24,365 | $289K |
| ARS Investment Partners, LLC | 0.03% | Reduce -1.0% | 24,341 | $289K |
| Wolverine Trading, LLC | 0.01% | Add +9.2% | 23,871 | $287K |
| Olympiad Research LP | 0.30% | New | 24,007 | $285K |
| DNB Asset Management AS | 0.00% | New | 23,126 | $275K |
| Toronto Dominion Bank | 0.00% | New | 22,388 | $266K |
| Commonwealth Equity Services, LLC | 0.00% | Add +45.9% | 22,192 | $264K |
| Talbot Financial, LLC | 0.03% | New | 21,130 | $251K |
| IFP Advisors, Inc | 0.01% | Add +6923.4% | 20,719 | $246K |
| Bridgefront Capital, LLC | 0.08% | New | 20,427 | $243K |
| Allianz Asset Management GmbH | 0.00% | No change | 20,289 | $241K |
| New York State Common Retirement Fund | 0.00% | No change | 20,131 | $239K |
| Prelude Capital Management, LLC | 0.02% | New | 19,205 | $228K |
| Arizona State Retirement System | 0.00% | Add +2.0% | 19,015 | $226K |
| Aigen Investment Management, LP | 0.04% | New | 18,445 | $219K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +24.3% | 17,784 | $211K |
| Capula Management Ltd | 0.00% | New | 17,523 | $208K |
| Voya Investment Management LLC | 0.00% | Reduce -7.6% | 17,454 | $207K |
| ProShare Advisors LLC | 0.00% | Add +57.9% | 17,386 | $207K |
| Sherbrooke Park Advisers LLC | 0.06% | New | 17,018 | $202K |
| Cim, LLC | 0.03% | Add +8.7% | 16,263 | $193K |
| Ballentine Partners, LLC | 0.00% | Add +19.2% | 15,914 | $189K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -3.0% | 15,792 | $188K |
| Quadrature Capital Ltd | 0.00% | New | 15,286 | $181K |
| LPL Financial LLC | 0.00% | Reduce -30.9% | 15,238 | $181K |
| Journey Strategic Wealth LLC | 0.01% | New | 15,000 | $178K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 14,618 | $174K |
| Connors Investor Services Inc. | 0.02% | New | 14,167 | $168K |
| KLP Kapitalforvaltning As | 0.00% | — | 13,800 | $164K |
| HB Wealth Management, LLC | 0.00% | Reduce -39.3% | 12,974 | $154K |
| Bank of Montreal | 0.00% | Reduce -1.1% | 12,953 | $154K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | — | 12,912 | $153K |
| AlphaQuest LLC | 0.02% | Add +54.0% | 11,395 | $135K |
| Pursue Wealth Partners LLC | 0.08% | Add +39.6% | 11,202 | $133K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 10,843 | $129K |
| Osaic Holdings, Inc. | 0.00% | Add +8.8% | 10,121 | $120K |
| Choate Investment Advisors | 0.00% | No change | 10,000 | $119K |
| Sandia Investment Management LP | 0.17% | New | 7,500 | $89K |
| Morse Asset Management, Inc | 0.02% | Reduce -24.9% | 7,169 | $85K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 6,088 | $72K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 5,708 | $68K |
| Wilmington Savings Fund Society, FSB | 0.00% | Reduce -75.0% | 4,500 | $53K |
| First PREMIER Bank | 0.01% | No change | 4,000 | $48K |
| Simplex Trading, LLC | 0.00% | Reduce -86.2% | 3,666 | $43K |
| Caitong International Asset Management Co., Ltd | 0.04% | — | 3,190 | $38K |
| Leonteq Securities AG | 0.00% | New | 2,948 | $35K |
| Stance Capital LLC | 0.02% | — | 2,889 | $34K |
| Northwestern Mutual Wealth Management Co. | 0.00% | Add +4531.7% | 2,779 | $33K |
| Bokf, NA | 0.00% | No change | 2,000 | $25K |
| R Squared Ltd | 0.02% | — | 2,050 | $24K |
| SBI Securities Co., Ltd. | 0.00% | — | 2,004 | $24K |
| Larson Financial Group LLC | 0.00% | Add +14185.7% | 2,000 | $24K |
| US Bancorp \de | 0.00% | Add +46.8% | 1,894 | $23K |
| Coppell Advisory Solutions LLC | 0.00% | New | 1,869 | $22K |
| Amalgamated Bank | 0.00% | No change | 1,744 | $21K |
| Harel Insurance Investments & Financial Services Ltd. | 0.00% | Add +13.8% | 1,597 | $19K |
| Kestra Investment Management, LLC | 0.00% | New | 1,504 | $18K |
| Sterling Capital Management LLC | 0.00% | Add +764.1% | 1,469 | $17K |
| Exchange Traded Concepts, LLC | 0.00% | Add +102.6% | 1,327 | $16K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.00% | New | 998 | $12K |
| Aster Capital Management (DIFC) Ltd | 0.00% | New | 941 | $11K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +5333.3% | 815 | $10K |
| TD Waterhouse Canada Inc. | 0.00% | Reduce -94.7% | 700 | $8K |
| Signaturefd, LLC | 0.00% | Add +59.7% | 468 | $6K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -12.6% | 355 | $4K |
| Cwm, LLC | 0.00% | Reduce -27.2% | 372 | $4K |
| Minot DeBlois Advisors LLC | 0.00% | — | 300 | $4K |
| Red Tortoise LLC | 0.00% | No change | 271 | $3K |
| HighMark Wealth Management LLC | 0.00% | No change | 250 | $3K |
| Comerica Bank | 0.00% | Reduce -99.3% | 250 | $3K |
| Smartleaf Asset Management LLC | 0.00% | Add +42.0% | 240 | $3K |
| Colonial Trust Co / SC | 0.00% | Reduce -29.5% | 203 | $2K |
| FLP Wealth Management, LLC | 0.01% | — | 201 | $2K |
| HHM Wealth Advisors, LLC | 0.00% | No change | 200 | $2K |
| Ameriflex Group, Inc. | 0.00% | — | 200 | $2K |
| Farther Finance Advisors, LLC | 0.00% | No change | 181 | $2K |
| Lindbrook Capital, LLC | 0.00% | Reduce -24.8% | 176 | $2K |
| GAMMA Investing LLC | 0.00% | Reduce -69.7% | 158 | $2K |
| Brooklyn Investment Group | 0.00% | New | 145 | $2K |
| Cullen/Frost Bankers, Inc. | 0.00% | New | 103 | $1K |
| Bessemer Group Inc. | 0.00% | No change | 115 | $1K |
| Colonial Trust Advisors | 0.00% | No change | 50 | $594 |
| Jones Financial Companies LLLP | 0.00% | New | 45 | $535 |
| MRP Capital Investments, LLC | 0.00% | New | 25 | $297 |
| Asset Planning,Inc | 0.00% | — | 25 | $297 |
| Rothschild Investment LLC | 0.00% | Reduce -63.6% | 20 | $238 |
| Quadrant Capital Group LLC | 0.00% | No change | 19 | $226 |
| Allworth Financial LP | 0.00% | Reduce -40.6% | 19 | $216 |
| EverSource Wealth Advisors, LLC | 0.00% | New | 15 | $178 |
| Criterion Capital Advisors, LLC | 0.00% | No change | 7 | $167 |
| WR Wealth Planners, LLC | 0.00% | No change | 12 | $143 |
| WealthTrak Capital Management LLC | 0.00% | — | 10 | $119 |
| 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.