ASPN · Aspen Aerogels Inc
$5.85
-0.22 (-3.62%)
At close · Aug 14
Market Cap
$485.07M
Shares
82.99M
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
215 fund positions| Fund | Ticker | Balance | Value | % of Fund | Side | Reported | Open |
|---|---|---|---|---|---|---|---|
| Invesco WilderHill Clean Energy ETF | CVY | 3,821,350 | $12,877,950 | 1.82% | Long | 2026-01-31 | |
| 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 | |
| Avantis U.S. Small Cap Value ETF | — | 1,319,932 | $8,447,565 | 0.03% | Long | 2026-05-31 | |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | VB | 2,565,612 | $7,260,682 | 0.00% | Long | 2025-12-31 | |
| Invesco WilderHill Clean Energy ETF | — | 1,702,981 | $6,318,060 | 1.40% | Long | 2026-04-30 | |
| TCM Small Cap Growth Fund | AKRE | 166,345 | $5,735,576 | 1.20% | Long | 2022-03-31 | |
| iShares Russell 2000 ETF | — | 1,647,627 | $5,634,884 | 0.01% | Long | 2026-03-31 | |
| iShares Russell 2000 ETF | AAXJ | 1,626,116 | $4,601,908 | 0.01% | Long | 2025-12-31 | |
| Royce Small-Cap Opportunity Fund | — | 624,319 | $3,958,182 | 0.28% | Long | 2026-06-30 | |
| 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 | |
| ESSEX ENVIRONMENTAL OPPORTUNITIES FUND | ABEQ | 75,090 | $3,285,188 | 4.91% | Long | 2021-08-31 | |
| State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF | — | 875,428 | $2,993,964 | 0.13% | Long | 2026-03-31 | |
| VANGUARD EXTENDED MARKET INDEX FUND | — | 776,529 | $2,655,729 | 0.00% | Long | 2026-03-31 | |
| State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF | BWX | 872,495 | $2,469,161 | 0.10% | Long | 2025-12-31 | |
| Fidelity Small Cap Index Fund | — | 655,432 | $2,431,653 | 0.01% | Long | 2026-04-30 | |
| Avantis U.S. Small Cap Value ETF | ACSG | 738,013 | $2,376,402 | 0.01% | Long | 2025-11-30 | |
| Fidelity Extended Market Index Fund | — | 362,884 | $2,322,458 | 0.01% | Long | 2026-05-31 | |
| VANGUARD RUSSELL 2000 INDEX FUND | — | 340,787 | $2,181,037 | 0.01% | Long | 2026-05-31 | |
| Fidelity Small Cap Index Fund | FSTB | 644,915 | $2,173,364 | 0.01% | Long | 2026-01-31 | |
| VANGUARD EXTENDED MARKET INDEX FUND | VB | 750,132 | $2,122,874 | 0.00% | Long | 2025-12-31 | |
| Schwab U.S. Small-Cap ETF | — | 331,366 | $2,120,742 | 0.01% | Long | 2026-05-31 | |
| iShares Russell 2000 Value ETF | — | 573,580 | $1,961,644 | 0.02% | Long | 2026-03-31 | |
| iShares Russell 2000 Value ETF | AAXJ | 590,118 | $1,670,034 | 0.01% | Long | 2025-12-31 | |
| Federated Hermes MDT Small Cap Core Fund | — | 442,391 | $1,641,271 | 0.09% | Long | 2026-04-30 | |
| Multi-Manager Small Cap Equity Strategies Fund | — | 241,835 | $1,547,744 | 0.12% | Long | 2026-05-31 | |
| Needham Growth Fund | — | 424,075 | $1,450,337 | 0.78% | Long | 2026-03-31 | |
| VANGUARD MATERIALS INDEX FUND | — | 203,987 | $1,305,517 | 0.03% | Long | 2026-05-31 | |
| Dimensional U.S. Targeted Value ETF | — | 327,463 | $1,214,888 | 0.01% | Long | 2026-04-30 | |
| Clearwater Select Equity Fund | — | 334,930 | $1,145,461 | 0.26% | Long | 2026-03-31 | |
| Dimensional U.S. Targeted Value ETF | DCOR | 326,189 | $1,099,257 | 0.01% | Long | 2026-01-31 | |
| Schwab U.S. Small-Cap ETF | FNDA | 333,046 | $1,072,408 | 0.01% | Long | 2025-11-30 | |
| VANGUARD RUSSELL 2000 INDEX FUND | BNDW | 324,443 | $1,044,706 | 0.01% | Long | 2025-11-30 | |
| Inspire Small/Mid Cap ETF | — | 157,856 | $1,010,278 | 0.32% | Long | 2026-05-31 | |
| Dimensional U.S. Small Cap ETF | — | 258,221 | $958,000 | 0.01% | Long | 2026-04-30 | |
| Fidelity Total Market Index Fund | — | 133,608 | $855,091 | 0.00% | Long | 2026-05-31 | |
| ALPS Clean Energy ETF | — | 129,008 | $825,651 | 0.57% | Long | 2026-05-31 | |
| Avantis U.S. Small Cap Value Fund | — | 126,817 | $811,629 | 0.05% | Long | 2026-05-31 | |
| Invesco RAFI US 1500 Small-Mid ETF | — | 214,545 | $795,962 | 0.03% | Long | 2026-04-30 | |
| Dimensional US Small Cap Value ETF | — | 214,441 | $795,576 | 0.01% | Long | 2026-04-30 | |
| DWS Global Small Cap Fund | — | 203,749 | $755,909 | 0.38% | Long | 2026-04-30 | |
| Dimensional U.S. Small Cap ETF | DCOR | 217,839 | $734,117 | 0.01% | Long | 2026-01-31 | |
| Columbia Variable Portfolio - Small Cap Value Fund | — | 206,330 | $705,649 | 0.18% | Long | 2026-03-31 | |
| Fidelity Series Total Market Index Fund | — | 105,268 | $673,715 | 0.00% | Long | 2026-05-31 | |
| VANGUARD MATERIALS INDEX FUND | EDV | 207,414 | $667,873 | 0.02% | Long | 2025-11-30 | |
| First Trust NASDAQ Clean Edge Green Energy Index Fund | — | 174,625 | $597,218 | 0.11% | Long | 2026-03-31 | |
| Dimensional US Small Cap Value ETF | DCOR | 176,280 | $594,064 | 0.01% | Long | 2026-01-31 | |
| Invesco RAFI US 1500 Small-Mid ETF | CVY | 171,514 | $578,002 | 0.02% | Long | 2026-01-31 | |
| iShares Micro-Cap ETF | — | 166,914 | $570,846 | 0.05% | Long | 2026-03-31 |
Showing 1–50 of 215 positions
Key facts
CIK
1145986
CUSIP
04523Y105
13F (30d)
175 filings
172 filers
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