ASPEN AEROGELS INC COM is a security (CUSIP 04523Y105) tracked across SEC portfolio filings. 172 institutional managers reported $229.8M on Form 13F as of 2026-06-30; 14 registered fund positions totaling $9.3M via N-PORT as of 2026-05-31.
Showing 15 of 172 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| KIM, LLC | WICHITA, KS | $42.0M | 12,280,426 |
| OAKTOP CAPITAL MANAGEMENT II, L.P. | Chatham, NJ | $17.7M | 5,168,674 |
| BlackRock, Inc. | New York, NY | $16.2M | 4,743,076 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | NEW YORK, NY | $15.5M | 4,518,775 |
| VANGUARD GROUP INC | Valley Forge, PA | $13.3M | 4,685,950 |
| George Kaiser Family Foundation | TULSA, OK | $10.8M | 3,167,322 |
| GAGNON SECURITIES LLC | New York, NY | $9.7M | 1,535,812 |
| STATE STREET CORP | BOSTON, MA | $7.9M | 2,320,727 |
| RICE HALL JAMES & ASSOCIATES, LLC | San Diego, CA | $5.3M | 1,552,628 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $5.3M | 1,540,771 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $4.8M | 1,404,675 |
| MARSHALL WACE, LLP | LONDON, X0 | $4.3M | 1,263,102 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $4.3M | 1,256,480 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $4.3M | 1,247,783 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | FLORHAM PARK, NJ | $4.2M | 1,218,779 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Needham Growth Fund | Needham Funds Inc | $2.9M | 156.16% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $2.7M | 0.33% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $2.2M | 1.24% |
| Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF | Goldman Sachs ETF Trust | $364K | 3.69% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $364K | 0.75% |
| Firsthand Technology Opportunities Fund | Firsthand Funds | $308K | 74.56% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $178K | 0.03% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $162K | 0.22% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $143K | 0.05% |
| DWS Small Cap Index VIP | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $31K | 0.74% |
| NexPoint Climate Tech Fund | NexPoint Funds II | $18K | 30.95% |
| TIAA Separate Account VA-1 - Stock Index Account | TIAA Separate Account VA-1 | $7K | 0.05% |
| Guggenheim Active Allocation Fund | Guggenheim Active Allocation Fund | $2K | 0.03% |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $1K | 0.00% |