ASPN
Aspen Aerogels IncCompany with tickers: ASPN
Market Cap
$474.89M
Shares Outstanding
82,877,453
CIK
1145986
CUSIP
04523Y105
13F Activity (30d)
7 filings
4 filers
Website
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Investor Relations
Investor relations
Registered funds — mutual funds, ETFs and closed-end funds — whose latest Form N-PORT portfolio report holds this stock, matched by the stock's CUSIP. Each row is one fund position with its size, value and weight in that fund.
Funds holding ASPN
138 fund positions| Fund | Ticker | Balance | Value | % of Fund | Side | Reported | Open |
|---|---|---|---|---|---|---|---|
| Needham Aggressive Growth Fund | — | 2,835,000 | $9,695,700 | 0.62% | Long | 2026-03-31 | |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | — | 2,565,612 | $8,774,393 | 0.00% | Long | 2026-03-31 | |
| iShares Russell 2000 ETF | — | 1,647,627 | $5,634,884 | 0.01% | Long | 2026-03-31 | |
| Columbia Small Cap Value Discovery Fund | — | 1,034,870 | $3,839,368 | 0.17% | Long | 2026-04-30 | |
| Needham Small Cap Growth Fund | — | 972,500 | $3,325,950 | 1.92% | Long | 2026-03-31 | |
| State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF | — | 875,428 | $2,993,964 | 0.13% | Long | 2026-03-31 | |
| Avantis U.S. Small Cap Value ETF | — | 930,666 | $2,903,678 | 0.01% | Long | 2026-02-28 | |
| VANGUARD EXTENDED MARKET INDEX FUND | — | 776,529 | $2,655,729 | 0.00% | Long | 2026-03-31 | |
| iShares Russell 2000 Value ETF | — | 573,580 | $1,961,644 | 0.02% | Long | 2026-03-31 | |
| Royce Small-Cap Opportunity Fund | — | 507,805 | $1,736,693 | 0.15% | Long | 2026-03-31 | |
| Federated Hermes MDT Small Cap Core Fund | — | 442,391 | $1,641,271 | 0.09% | Long | 2026-04-30 | |
| Needham Growth Fund | — | 424,075 | $1,450,337 | 0.78% | Long | 2026-03-31 | |
| Clearwater Select Equity Fund | — | 334,930 | $1,145,461 | 0.26% | Long | 2026-03-31 | |
| Schwab U.S. Small-Cap ETF | — | 336,598 | $1,050,186 | 0.01% | Long | 2026-02-28 | |
| VANGUARD RUSSELL 2000 INDEX FUND | — | 327,452 | $1,021,650 | 0.01% | Long | 2026-02-28 | |
| DWS Global Small Cap Fund | — | 203,749 | $755,909 | 0.38% | Long | 2026-04-30 | |
| Fidelity Extended Market Index Fund | — | 239,411 | $746,962 | 0.00% | Long | 2026-02-28 | |
| Columbia Variable Portfolio - Small Cap Value Fund | — | 206,330 | $705,649 | 0.18% | Long | 2026-03-31 | |
| VANGUARD MATERIALS INDEX FUND | — | 201,706 | $629,323 | 0.01% | Long | 2026-02-28 | |
| First Trust NASDAQ Clean Edge Green Energy Index Fund | — | 174,625 | $597,218 | 0.11% | Long | 2026-03-31 | |
| iShares Micro-Cap ETF | — | 166,914 | $570,846 | 0.05% | Long | 2026-03-31 | |
| Schwab Small-Cap Index Fund | — | 145,952 | $541,482 | 0.01% | Long | 2026-04-30 | |
| Inspire Small/Mid Cap ETF | — | 172,326 | $537,657 | 0.21% | Long | 2026-02-28 | |
| Avantis U.S. Small Cap Value Fund | — | 126,817 | $395,669 | 0.03% | Long | 2026-02-28 | |
| ALPS Clean Energy ETF | — | 121,640 | $379,517 | 0.34% | Long | 2026-02-28 | |
| Fidelity Total Market Index Fund | — | 121,420 | $378,830 | 0.00% | Long | 2026-02-28 | |
| Master Small Cap Index Series | — | 106,295 | $363,529 | 0.01% | Long | 2026-03-31 | |
| NORTH SQUARE DYNAMIC SMALL CAP FUND | — | 112,870 | $352,154 | 0.05% | Long | 2026-02-28 | |
| Fidelity Series Total Market Index Fund | — | 99,199 | $309,501 | 0.00% | Long | 2026-02-28 | |
| Firsthand Technology Opportunities Fund | — | 90,000 | $307,800 | 0.75% | Long | 2026-03-31 | |
| Nuveen Small Cap Blend Index Fund | — | 79,148 | $293,639 | 0.01% | Long | 2026-04-30 | |
| SMALL CAP EQUITY FUND | — | 85,837 | $293,563 | 0.04% | Long | 2026-03-31 | |
| Fidelity Small Cap Value Index Fund | — | 82,474 | $282,061 | 0.02% | Long | 2026-03-31 | |
| DWS Global Small Cap VIP | — | 81,362 | $278,258 | 0.40% | Long | 2026-03-31 | |
| iShares Core S&P Total U.S. Stock Market ETF | — | 79,595 | $272,215 | 0.00% | Long | 2026-03-31 | |
| State Street(R) SPDR(R) S&P Kensho Smart Mobility ETF | — | 77,835 | $266,196 | 1.55% | Long | 2026-03-31 | |
| EQ/2000 Managed Volatility Portfolio | — | 77,003 | $263,350 | 0.01% | Long | 2026-03-31 | |
| Ultra-Small Company Market Fund | — | 75,000 | $256,500 | 0.21% | Long | 2026-03-31 | |
| NVIT Multi-Manager Small Company Fund | — | 74,300 | $254,106 | 0.07% | Long | 2026-03-31 | |
| NVIT Small Cap Value Fund | — | 73,239 | $250,477 | 0.13% | Long | 2026-03-31 | |
| U.S. SMALL CAP PORTFOLIO | — | 66,937 | $248,336 | 0.00% | Long | 2026-04-30 | |
| VANGUARD U.S. VALUE FACTOR ETF | — | 79,494 | $248,021 | 0.03% | Long | 2026-02-28 | |
| U.S. SMALL CAP VALUE PORTFOLIO | — | 63,700 | $236,327 | 0.00% | Long | 2026-04-30 | |
| Federated Hermes MDT Small Cap Value Fund f/k/a Federated Hermes Clover Small Value Fund | — | 67,720 | $231,602 | 0.15% | Long | 2026-03-31 | |
| Avantis U.S. Small Cap Equity ETF | — | 60,423 | $188,520 | 0.01% | Long | 2026-02-28 | |
| VANGUARD BALANCED INDEX FUND | — | 52,096 | $178,168 | 0.00% | Long | 2026-03-31 | |
| Nuveen Equity Index Fund | — | 47,296 | $175,468 | 0.00% | Long | 2026-04-30 | |
| Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF | — | 56,117 | $175,085 | 0.02% | Long | 2026-02-28 | |
| VANGUARD U.S. QUALITY FACTOR ETF | — | 53,148 | $165,822 | 0.04% | Long | 2026-02-28 | |
| U.S. MICRO CAP PORTFOLIO | — | 43,796 | $162,483 | 0.00% | Long | 2026-04-30 |
Showing 1–50 of 138 positions