Funds holding Aspen Aerogels Inc
151 funds declare a position · 35 ETFs and 116 other funds · 78.4M $· 59K € · US04523Y1055
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 101 | Invesco Russell 2000 Dynamic Multifactor ETF Invesco Exchange-Traded Self-Indexed Fund Trust | 7,712 | 24.1K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 102 | Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC | 7,700 | 26.3K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 103 | Diversified Equity Master Portfolio Master Investment Portfolio | 7,427 | 25.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 104 | U.S. Small Cap Equity Fund RUSSELL INVESTMENT FUNDS | 7,361 | 25.2K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 105 | iShares MSCI World Small-Cap ETF iShares Trust | 7,000 | 21.8K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 106 | PD Small-Cap Value Index Portfolio PACIFIC SELECT FUND | 6,243 | 21.4K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 107 | CVT Russell 2000 Small Cap Index Portfolio Calvert Variable Trust, Inc. | 5,708 | 19.5K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 108 | Venerable Small Cap Index Fund Venerable Variable Insurance Trust | 5,492 | 18.8K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 109 | Nationwide Small Cap Index Fund Nationwide Mutual Funds | 5,435 | 20.2K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 110 | VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 4,960 | 15.5K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 111 | VIP Extended Market Index Portfolio Variable Insurance Products Fund II | 4,388 | 15K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 112 | LVIP Dimensional U.S. Core Equity 1 Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 4,300 | 14.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 113 | Strategic Equity Allocation Trust John Hancock Variable Insurance Trust | 4,275 | 14.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 114 | ProShares Ultra Russell2000 ProShares Trust | 4,106 | 12.8K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 115 | ProShares UltraPro Russell2000 ProShares Trust | 4,088 | 12.8K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 116 | Voya VACS Index Series SC Portfolio Voya VARIABLE PORTFOLIOS INC | 3,913 | 13.4K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 117 | iShares Total U.S. Stock Market Index Fund BlackRock Funds | 3,713 | 13.8K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 118 | Nationwide Fundamental All Cap Equity Portfolio Nationwide Mutual Funds | 3,652 | 13.5K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 119 | KraneShares Man Buyout Beta Index ETF Krane Shares Trust | 3,532 | 12.1K $ | 0.10 % | as of Mar 31, 2026 · Original filing |
| 120 | Small Cap Core Fund Northern Funds | 3,403 | 11.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 121 | Small-Cap Equity Portfolio PACIFIC SELECT FUND | 3,095 | 10.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 122 | ProShares Russell 2000 High Income ETF ProShares Trust | 2,872 | 9K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 123 | Morgan Stanley Pathway Small-Mid Cap Equity ETF MORGAN STANLEY PATHWAY FUNDS | 2,841 | 8.9K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 124 | SmallCap Value Fund II Principal Funds, Inc | 2,427 | 9K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 125 | AZL DFA U.S. Core Equity Fund Allianz Variable Insurance Products Trust | 2,280 | 7.8K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 126 | EQ/Franklin Small Cap Value Managed Volatility Portfolio EQ Advisors Trust | 2,243 | 7.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 127 | LVIP Dimensional U.S. Core Equity 2 Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 2,207 | 7.5K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 128 | JNL/DFA U.S. Core Equity Fund JNL Series Trust | 2,020 | 6.9K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 129 | TIAA Separate Account VA-1 - Stock Index Account TIAA Separate Account VA-1 | 1,916 | 6.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 130 | Penn Series Small Cap Index Fund Penn Series Funds Inc | 1,900 | 6.5K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 131 | VIP Total Market Index Portfolio Variable Insurance Products Fund II | 1,667 | 5.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 132 | Destinations Small-Mid Cap Equity Fund Brinker Capital Destinations Trust | 1,498 | 4.7K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 133 | Total Stock Market Index Trust John Hancock Variable Insurance Trust | 1,493 | 5.1K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 134 | State Street Total Return V.I.S. Fund STATE STREET VARIABLE INSURANCE SERIES FUNDS INC | 1,376 | 4.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 135 | Avantis U.S. Small Cap Equity Fund American Century ETF Trust | 1,026 | 3.2K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 136 | Nuveen Life Stock Index Fund TIAA-CREF Life Funds | 821 | 2.8K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 137 | ULTRA SMALL CAP PROFUND ProFunds | 750 | 2.8K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 138 | Knights of Columbus U.S. ALL CAP INDEX FUND ADVISORS' INNER CIRCLE III | 439 | 1.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 139 | State Street Balanced Index Fund STATE STREET INSTITUTIONAL INVESTMENT TRUST | 374 | 1.3K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 140 | Russell 2000 2x Strategy Fund Rydex Dynamic Funds | 338 | 1.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 141 | Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds | 300 | 1K $ | as of Mar 31, 2026 · Original filing | |
| 142 | PROFUND VP ULTRA SMALL CAP ProFunds | 222 | 759.2 $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 143 | PROFUND VP SMALL CAP ProFunds | 168 | 574.6 $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 144 | Russell 2000 Fund Rydex Series Funds | 155 | 530.1 $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 145 | SMALL-CAP PROFUND ProFunds | 121 | 448.9 $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 146 | Russell 2000 1.5x Strategy Fund Rydex Series Funds | 93 | 318.1 $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 147 | ProShares Hedge Replication ETF ProShares Trust | 68 | 212.2 $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 148 | Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust | 54 | 200.3 $ | as of Apr 30, 2026 · Original filing | |
| 149 | ProShares Russell 2000 Dynamic Buffer ETF ProShares Trust | 20 | 62.4 $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 150 | Russell 2000(R) 1.5x Strategy Fund Rydex Variable Trust | 18 | 61.6 $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 151 | CIMA GLOBAL VALUE SICAV SA ANDBANK WEALTH MANAGEMENT, SGIIC, S.A.U. | 59K € | 0.25 % | as of Dec 31, 2025 · Original filing |
Institutional managers
160 managers declare this company to the SEC (Form 13F). These positions are not counted in the totals above: a manager and its own funds file separately.
| Manager | Shares | Value | |
|---|---|---|---|
| KIM, LLC | 12,280,426 | 42M $ | as of Mar 31, 2026 |
| OAKTOP CAPITAL MANAGEMENT II, L.P. | 5,168,674 | 17.7M $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 4,743,076 | 16.2M $ | as of Mar 31, 2026 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 4,518,775 | 15.5M $ | as of Mar 31, 2026 |
| George Kaiser Family Foundation | 3,167,322 | 10.8M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 2,320,727 | 7.9M $ | as of Mar 31, 2026 |
| Invesco Ltd. | 2,298,183 | 7.9M $ | as of Mar 31, 2026 |
| GAGNON SECURITIES LLC | 1,861,851 | 6.4M $ | as of Mar 31, 2026 |
| RICE HALL JAMES & ASSOCIATES, LLC | 1,552,628 | 5.3M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 1,540,771 | 5.3M $ | as of Mar 31, 2026 |
| AMERIPRISE FINANCIAL INC | 1,506,379 | 5.2M $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 1,404,675 | 4.8M $ | as of Mar 31, 2026 |
| MARSHALL WACE, LLP | 1,263,102 | 4.3M $ | as of Mar 31, 2026 |
| DIMENSIONAL FUND ADVISORS LP | 1,256,480 | 4.3M $ | as of Mar 31, 2026 |
| AMERICAN CENTURY COMPANIES INC | 1,247,783 | 4.3M $ | as of Mar 31, 2026 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 1,218,779 | 4.2M $ | as of Mar 31, 2026 |
| Telemark Asset Management, LLC | 1,000,000 | 3.4M $ | as of Mar 31, 2026 |
| ROYCE & ASSOCIATES LP | 986,513 | 3.4M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 899,513 | 3.1M $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 965,492 | 3.1M $ | as of Mar 31, 2026 |
| D. E. Shaw & Co., Inc. | 833,572 | 2.9M $ | as of Mar 31, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | 697,932 | 2.4M $ | as of Mar 31, 2026 |
| Samjo Management, LLC | 645,625 | 2.2M $ | as of Mar 31, 2026 |
| CITADEL ADVISORS LLC | 581,187 | 2M $ | as of Mar 31, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 556,725 | 1.9M $ | as of Mar 31, 2026 |