NYSE:ASPN | Included in ETF | ASPEN AEROGELS INC

ASPN included in ETFs

Dates are bounded by retained official portfolio snapshots; baseline presence is never presented as an original addition date.

Current ETFs holding ASPN

54 latest ETF portfolios currently report this security. This page shows rows 1–54 of 54.

ETFFundWeightAdded / first observedLatest report
HAILState Street(R) SPDR(R) S&P Kensho Smart Mobility ETF1.546681%2026-03-312026-03-31
PBWInvesco WilderHill Clean Energy ETF1.402838%2026-04-302026-04-30
ACESALPS Clean Energy ETF0.335577%2026-02-282026-02-28
ISMDInspire Small/Mid Cap ETF0.205842%2026-02-282026-02-28
KOMPState Street(R) SPDR(R) S&P Kensho New Economies Composite ETF0.127634%2026-03-312026-03-31
QCLNFirst Trust NASDAQ Clean Edge Green Energy Index Fund0.109779%2024-03-312026-03-31
RFLRInnovator U.S. Small Cap Managed Floor ETF0.10011%Present before retained history; addition date unavailable2026-04-30
FSMLFranklin Small Cap Enhanced ETF0.097931%Present before retained history; addition date unavailable2026-03-31
BUYOKraneShares Man Buyout Beta Index ETF0.097116%2026-03-312026-03-31
FSCCFederated Hermes MDT Small Cap Core ETF0.083846%2025-11-302026-02-28
IBATiShares Energy Storage & Materials ETF0.080023%2026-04-302026-04-30
IWCiShares Micro-Cap ETF0.047016%2026-03-312026-03-31
VFQYVANGUARD U.S. QUALITY FACTOR ETF0.037136%2026-02-282026-02-28
VFVAVANGUARD U.S. VALUE FACTOR ETF0.031374%2026-02-282026-02-28
PRFZInvesco RAFI US 1500 Small-Mid ETF0.027652%2026-04-302026-04-30
GSSCGoldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF0.019689%2026-02-282026-02-28
IWNiShares Russell 2000 Value ETF0.015743%2026-03-312026-03-31
VRTVXVANGUARD RUSSELL 2000 VALUE INDEX FUND0.013739%2026-02-282026-02-28
VTWVVANGUARD RUSSELL 2000 VALUE INDEX FUND0.013739%2026-02-282026-02-28
VAWVANGUARD MATERIALS INDEX FUND0.013296%2026-02-282026-02-28
VMIAXVANGUARD MATERIALS INDEX FUND0.013296%2026-02-282026-02-28
DFSVDimensional US Small Cap Value ETF0.010595%2026-04-302026-04-30
DFATDimensional U.S. Targeted Value ETF0.008876%2026-04-302026-04-30
OMFSInvesco Russell 2000 Dynamic Multifactor ETF0.00873%2026-02-282026-02-28
IWMiShares Russell 2000 ETF0.007835%2026-03-312026-03-31
RSSLGlobal X Russell 2000 ETF0.007467%2026-04-302026-04-30
DFASDimensional U.S. Small Cap ETF0.006822%2026-04-302026-04-30
VRTIXVANGUARD RUSSELL 2000 INDEX FUND0.006729%2026-02-282026-02-28
VTWOVANGUARD RUSSELL 2000 INDEX FUND0.006729%2026-02-282026-02-28
ITWOProShares Russell 2000 High Income ETF0.00577%2026-02-282026-02-28
SCHASchwab U.S. Small-Cap ETF0.005061%2026-02-282026-02-28
UWMProShares Ultra Russell20000.004535%2026-02-282026-02-28
URTYProShares UltraPro Russell20000.003757%2026-02-282026-02-28
VEMPXVANGUARD EXTENDED MARKET INDEX FUND0.003258%2026-03-312026-03-31
VEXAXVANGUARD EXTENDED MARKET INDEX FUND0.003258%2026-03-312026-03-31
VEXMXVANGUARD EXTENDED MARKET INDEX FUND0.003258%2026-03-312026-03-31
VIEIXVANGUARD EXTENDED MARKET INDEX FUND0.003258%2026-03-312026-03-31
VXFVANGUARD EXTENDED MARKET INDEX FUND0.003258%2026-03-312026-03-31
WSMLiShares MSCI World Small-Cap ETF0.002574%2026-02-282026-02-28
MSSMMorgan Stanley Pathway Small-Mid Cap Equity ETF0.001216%2026-02-282026-02-28
HDGProShares Hedge Replication ETF0.000862%2026-02-282026-02-28
VITSXVANGUARD TOTAL STOCK MARKET INDEX FUND0.000441%2026-03-312026-03-31
VSMPXVANGUARD TOTAL STOCK MARKET INDEX FUND0.000441%2026-03-312026-03-31
VSTSXVANGUARD TOTAL STOCK MARKET INDEX FUND0.000441%2026-03-312026-03-31
VTIVANGUARD TOTAL STOCK MARKET INDEX FUND0.000441%2026-03-312026-03-31
VTSAXVANGUARD TOTAL STOCK MARKET INDEX FUND0.000441%2026-03-312026-03-31
VTSMXVANGUARD TOTAL STOCK MARKET INDEX FUND0.000441%2026-03-312026-03-31
ITOTiShares Core S&P Total U.S. Stock Market ETF0.000342%2026-03-312026-03-31
IWViShares Russell 3000 ETF0.00032%2022-09-302026-03-31
SCHBSchwab U.S. Broad Market ETF0.00031%2026-02-282026-02-28
VRTTXVANGUARD RUSSELL 3000 INDEX FUND0.000289%2026-02-282026-02-28
VTHRVANGUARD RUSSELL 3000 INDEX FUND0.000289%2026-02-282026-02-28
GUGGuggenheim Active Allocation Fund0.000148%2026-02-272026-02-27
DFACDimensional U.S. Core Equity 2 ETF0%2026-04-302026-04-30