§ CHEMICALS
USD · ChemicalsASPN
ASPEN AEROGELS INC
USDSector · ChemicalsBeta · 2.98
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
104 increased/new, 51 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/B | 0.99 | EPS (TTM) | -1.36 |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| KIM, LLC | 12.3M | 4.3% | ±0% |
| OAKTOP CAPITAL MANAGEMENT II, L.P. | 5.2M | 1.3% | +18% |
| BlackRock, Inc. | 4.7M | 0.0% | −4% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 4.5M | 0.8% | +4% |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.4M | n/a | n/a |
| George Kaiser Family Foundation | 3.2M | 1.2% | ±0% |
◇ AC INTELLIGENCE
Top institutional owners for ASPN as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER82.6% · 0 holders
OTHER10.6% · 105 holders
PASSIVE / INDEX2.2% · 8 holders
DEALER / BANK2.1% · 23 holders
QUALITY / COMPOUNDER1.2% · 12 holders
TACTICAL / MACRO0.6% · 4 holders
SYSTEMATIC / QUANT0.4% · 7 holders
ACTIVIST0.2% · 1 holder
INCOME / DEFENSIVE0.1% · 9 holders
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for ASPN in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention ASPN yet.