Aspen AerogelsASPN
13F holders, Q2 2024 (June 30)222holders +55
72new positions
18sold out
6famous investors
$23.90avg. 13F price*
At the end of Q2 2024, 222 institutions reported holding Aspen Aerogels Inc. (ASPN) in their 13F filings, up 55 from Q1 2024. 72 opened new positions and 18 sold out. The largest holders were Kim, LLC ($292.9M), BlackRock Inc. ($107.1M) and Vanguard Group Inc. ($95.8M). 6 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Aspen Aerogels Inc.
- CUSIP
- 04523Y105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 72 | $135.8M |
| Exits | 18 | $29.5M |
All 13F filers, Q1 2024 → Q2 2024: 11,755,081 shares bought and 15,446,177 shares sold, net −3,691,096 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 222 holders
| Kim, LLC | 33.12% | Reduce -22.2% | 12,280,426 | $292.9M |
| BlackRock Inc. | 0.00% | Add +10.6% | 4,492,396 | $107.1M |
| Vanguard Group Inc. | 0.00% | Add +10.9% | 4,015,392 | $95.8M |
| Oaktop Capital Management Ii, L.P. | 8.16% | No change | 3,340,525 | $79.7M |
| FMR LLC | 0.01% | Add +37.8% | 3,277,249 | $78.2M |
| George Kaiser Family Foundation | 13.35% | No change | 3,167,322 | $75.5M |
| Needham Investment Management LLC | 4.51% | Reduce -23.4% | 2,299,729 | $54.8M |
| Driehaus Capital Management LLC | 0.50% | Add +130.4% | 2,156,789 | $51.4M |
| Encompass Capital Advisors LLC | 2.51% | Reduce -10.6% | 1,950,000 | $46.5M |
| Hood River Capital Management LLC | 0.87% | Reduce -46.9% | 1,752,519 | $41.8M |
| Frontier Capital Management Co. LLC | 0.41% | Reduce -15.8% | 1,745,361 | $41.6M |
| Telemark Asset Management, LLC | 3.22% | No change | 1,492,424 | $35.6M |
| State Street Corp. | 0.00% | Add +1.4% | 1,402,199 | $33.4M |
| Dimensional Fund Advisors LP | 0.01% | Add +21.3% | 1,374,631 | $32.8M |
| Loomis Sayles & Co. L P | 0.04% | New | 1,319,244 | $31.5M |
| Geode Capital Management, LLC | 0.00% | Add +10.9% | 1,310,944 | $31.3M |
| Royce & Associates LP | 0.28% | Reduce -24.8% | 1,239,267 | $29.6M |
| AWM Investment Company, Inc. | 3.83% | Reduce -39.9% | 1,188,202 | $28.3M |
| Samjo Management, LLC | 9.22% | Reduce -37.4% | 1,038,500 | $24.8M |
| Federated Hermes, Inc. | 0.06% | Reduce -13.5% | 998,600 | $23.8M |
| UniSuper Management Pty Ltd | 0.19% | Reduce -11.8% | 955,387 | $22.8M |
| American Century Companies Inc. | 0.01% | Add +562.3% | 770,729 | $18.4M |
| Ameriprise Financial Inc. | 0.00% | Reduce -61.2% | 640,377 | $15.3M |
| Citadel Advisors | 0.02% | Add +1106.2% | 630,556 | $15.0M |
| D. E. Shaw & Co. | 0.02% | New | 541,505 | $12.9M |
| Morgan Stanley | 0.00% | Reduce -50.5% | 539,187 | $12.9M |
| Northern Trust Corp. | 0.00% | Add +0.2% | 511,381 | $12.2M |
| Nuveen Asset Management, LLC | 0.00% | Add +0.1% | 471,719 | $11.3M |
| Rice Hall James & Associates, LLC | 0.64% | Reduce -23.2% | 446,402 | $10.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +103.1% | 441,126 | $10.5M |
| Mesirow Institutional Investment Management, Inc. | 0.87% | Reduce -37.2% | 418,170 | $10.0M |
| Two Sigma Investments, LP | 0.02% | New | 405,749 | $9.7M |
| Baird Financial Group, Inc. | 0.02% | Reduce -7.8% | 401,359 | $9.6M |
| Invesco Ltd. | 0.00% | Add +54.1% | 395,724 | $9.4M |
| Ardsley Advisory Partners LP | 1.70% | Reduce -54.3% | 395,000 | $9.4M |
| Millennium Management | 0.01% | New | 391,563 | $9.3M |
| Jane Street Group, LLC | 0.01% | Add +65.5% | 355,983 | $8.5M |
| Renaissance Technologies | 0.01% | New | 349,700 | $8.3M |
| Sargent Investment Group, LLC | 1.54% | Reduce -3.8% | 317,539 | $7.6M |
| Essex Investment Management Co. LLC | 1.32% | Reduce -23.4% | 295,116 | $7.0M |
| Deutsche Bank AG | 0.00% | Reduce -10.9% | 292,725 | $7.0M |
| Gilder Gagnon Howe & Co. LLC | 0.09% | New | 285,652 | $6.8M |
| Voloridge Investment Management, LLC | 0.02% | New | 274,440 | $6.5M |
| First Trust Advisors LP | 0.01% | Reduce -2.4% | 273,808 | $6.5M |
| Silvercrest Asset Management Group LLC | 0.04% | Reduce -47.5% | 250,855 | $6.0M |
| Assenagon Asset Management S.A. | 0.01% | Add +577.1% | 244,512 | $5.8M |
| State of Wisconsin Investment Board | 0.02% | Add +9.3% | 238,591 | $5.7M |
| Castleark Management LLC | 0.22% | Reduce -1.0% | 228,164 | $5.4M |
| Bank of New York Mellon Corp | 0.00% | Add +26.1% | 226,666 | $5.4M |
| Qube Research & Technologies Ltd | 0.01% | New | 209,317 | $5.0M |
| G2 Investment Partners Management LLC | 1.23% | Reduce -9.6% | 198,917 | $4.7M |
| Harvey Partners, LLC | 0.54% | Reduce -34.0% | 183,000 | $4.4M |
| Trexquant Investment LP | 0.07% | Add +75.0% | 179,276 | $4.3M |
| Alps Advisors Inc. | 0.03% | New | 171,800 | $4.1M |
| Fuller & Thaler Asset Management, Inc. | 0.02% | Reduce -35.9% | 169,830 | $4.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +16.6% | 167,177 | $4.0M |
| Squarepoint Ops LLC | 0.01% | Reduce -4.2% | 160,665 | $3.8M |
| Cubist Systematic Strategies, LLC | 0.07% | New | 160,088 | $3.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +172.8% | 157,793 | $3.8M |
| Hillsdale Investment Management Inc. | 0.29% | New | 153,100 | $3.7M |
| Susquehanna International Group, LLP | 0.01% | Reduce -27.2% | 149,001 | $3.6M |
| Firsthand Capital Management, Inc. | 6.56% | Reduce -85.7% | 5,000 | $3.4M |
| Twinbeech Capital LP | 0.07% | New | 139,089 | $3.3M |
| UBS Group AG | 0.00% | Reduce -55.4% | 133,683 | $3.2M |
| Redwood Grove Capital, LLC | 0.99% | No change | 133,210 | $3.2M |
| Swiss National Bank | 0.00% | No change | 120,500 | $2.9M |
| Bank of America Corp. | 0.00% | Reduce -50.9% | 120,208 | $2.9M |
| Kennedy Capital Management LLC | 0.06% | Reduce -35.8% | 114,218 | $2.7M |
| Seven Eight Capital, LP | 0.26% | New | 105,294 | $2.5M |
| BNP Paribas Financial Markets | 0.00% | Add +308.6% | 105,021 | $2.5M |
| Informed Momentum Co LLC | 0.41% | Reduce -48.6% | 104,994 | $2.5M |
| Comerica Bank | 0.01% | Reduce -7.7% | 104,446 | $2.5M |
| Intrinsic Edge Capital Management LLC | 0.23% | New | 100,000 | $2.4M |
| Bouvel Investment Partners, LLC | 0.86% | Reduce -0.5% | 93,760 | $2.2M |
| Tudor Investment Corporation | 0.03% | New | 93,480 | $2.2M |
| Rhumbline Advisers | 0.00% | Add +13.7% | 93,226 | $2.2M |
| Jump Financial, LLC | 0.04% | Add +687.6% | 86,075 | $2.1M |
| Marex Group Ltd | 0.05% | Reduce -19.1% | 85,001 | $2.0M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Add +66.7% | 80,591 | $1.9M |
| Legato Capital Management LLC | 0.26% | Reduce -25.5% | 79,877 | $1.9M |
| Algert Global LLC | 0.06% | Add +57.8% | 79,757 | $1.9M |
| Black Swift Group, LLC | 0.44% | New | 79,400 | $1.9M |
| AQR Capital Management | 0.00% | Reduce -43.7% | 78,715 | $1.9M |
| Russell Investments Group, Ltd. | 0.00% | Add +169.7% | 70,017 | $1.7M |
| Walleye Capital LLC | 0.02% | New | 69,338 | $1.7M |
| Graham Capital Management, L.P. | 0.10% | Add +51.7% | 66,917 | $1.6M |
| Gsa Capital Partners LLP | 0.11% | Reduce -1.3% | 66,211 | $1.6M |
| PEAK6 Investments LLC | 0.07% | Add +90.0% | 62,307 | $1.5M |
| California State Teachers Retirement System | 0.00% | Reduce -0.7% | 59,626 | $1.4M |
| Legal & General Group Plc | 0.00% | Add +16.7% | 58,455 | $1.4M |
| Alliancebernstein L.P. | 0.00% | Add +13.2% | 57,610 | $1.4M |
| Boothbay Fund Management, LLC | 0.04% | Add +0.2% | 53,505 | $1.3M |
| NewEdge Advisors, LLC | 0.01% | New | 53,074 | $1.3M |
| Bridgewater Advisors Inc. | 0.15% | Add +31.7% | 56,139 | $1.2M |
| Sei Investments Co. | 0.00% | Reduce -41.4% | 49,685 | $1.2M |
| Allspring Global Investments Holdings, LLC | 0.00% | Reduce -44.3% | 46,364 | $1.1M |
| Redwood Investments, LLC | 0.37% | Reduce -50.6% | 45,227 | $1.1M |
| Bantamac Capital, LLC | 0.63% | Reduce -51.0% | 43,876 | $1.0M |
| D.A. Davidson & Co. | 0.01% | New | 42,803 | $1.0M |
| Harbour Capital Advisors, LLC | 0.24% | Add +79.8% | 43,350 | $1.0M |
"% of holder's portfolio" is ASPN's weight in each manager's 13F, not the share of Aspen Aerogels Inc. the manager owns.