What is the 13F Pro Quality Score for ASPN?

13F Pro ranks ASPEN AEROGELS INC (ASPN) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View ASPN's current score at https://13fpro.ai/research/ASPN (free sign-up required for the full ranking).

Which hedge funds own the most ASPN stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of ASPN include KIM,, OAKTOP CAPITAL MANAGEMENT II, L.P., BlackRock,. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/ASPN as soon as new 13F filings post.

Where does 13F Pro source ASPN data?

All ASPEN AEROGELS INC fundamentals and ownership data come directly from SEC EDGAR. ASPEN AEROGELS INC files with the SEC under CIK 1145986. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is ASPN in?

ASPEN AEROGELS INC (ASPN) is classified in the Consumer Discretionary sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/consumer-discretionary.

How often is ASPN research updated on 13F Pro?

ASPN's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

ASPEN AEROGELS INC(ASPN)Stock Analysis

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Consumer Discretionary →NYSE

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SEC EDGAR: CIK 1145986 ASPN stock profile & AI dashboard →

13F Pro Quality Score

26.6/100

Rank #2,498 of 2,879 stocks

View Consumer Discretionary peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

46.2/100

Profitability

6.5/100

Balance Sheet

1.1/100

Earnings Quality

30.0/100

Free Cash Flow

52.1/100

Institutional Flow

15.9/100

Revenue Scale

27.7/100

Dilution Risk

32.4/100

ASPN Stock Analysis & AI Quality Score

AI stock analysis and institutional research for ASPEN AEROGELS INC (ASPN), a Consumer Discretionary sector company. 13F Pro's AI-powered ranking engine scores ASPN at 26.6/100 on a 32-signal composite quality model, placing it at rank #2,498 of 2,879 stocks — the bottom half of the AI-ranked universe. Areas of concern include balance sheet strength (1.1) and profitability (6.5), which score below median versus the broader universe. Shareholder dilution risk is elevated at 32.4/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), ASPEN AEROGELS INC reports quarterly revenue of $37.9M, net income of $-23.7M, an operating margin of -55.0%. Top institutional holders of ASPN by reported 13-F value include KIM,, OAKTOP CAPITAL MANAGEMENT II, L.P., BlackRock,, based on the most recent SEC filings. ASPN trades on the NYSE exchange and files with the SEC under CIK 1145986. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate ASPN daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for ASPEN AEROGELS INC directly from SEC EDGAR. ASPEN AEROGELS INC's 13F Pro composite quality score has ranged between 8 and 72 since 2021, currently 26.6 — a stable long-term trajectory across 56 quarterly and live scoring snapshots.

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Fun facts about ASPEN AEROGELS INC

Quirks, history, and lore behind ASPN — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. specialty materials company · small-cap · listed on NYSE · headquartered in Massachusetts.
2
The Numbers
Annual revenue in the low hundreds of millions of dollars, with customers concentrated in energy infrastructure and electric vehicles — two very different industries that both hate heat loss.
3
The History
Founded around the turn of the 21st century, it commercialized a material originally developed for NASA applications — the same stuff that keeps spacecraft from overheating.
4
The Secret
Its core product is 97% air by volume, yet it is one of the best thermal insulators ever made — it looks like frozen smoke and weighs almost nothing.
5
The Lore
It supplies battery thermal-runaway barriers to major EV manufacturers, meaning its paper-thin panels are quietly sitting inside some of the world's most famous electric cars.
6
The Giveaway
The company's very name tells you what it makes: aerogel blankets and panels sold under the Pyrogel and Cryogel brands — insulation so exotic it sounds like science fiction.

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Revenue

Q1 2026

$37.9M

Net Income

Q1 2026

$-23.7M

Free Cash Flow

Q1 2026

$32.8M

Operating Margin

Q1 2026

-55.0%

D/E Ratio

Q1 2026

0.40

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+89.6% YoY

$452.7MFY 2024

FY21 $121.6MFY22 $180.4MFY23 $238.7MFY24 $452.7M

Net Income

+129.2% YoY

$13.4MFY 2024

FY21 $-37.1MFY22 $-82.7MFY23 $-45.8MFY24 $13.4M

Operating Income

+210.8% YoY

$54.5MFY 2024

FY21 $-40.6MFY22 $-79.2MFY23 $-49.2MFY24 $54.5M

EPS (Diluted)

+125.8% YoY

$0.17FY 2024

FY21 $-1.22FY22 $-2.10FY23 $-0.66FY24 $0.17

Total Assets

+27.3% YoY

$895.1MFY 2024

FY21 $183.0MFY22 $643.4MFY23 $703.0MFY24 $895.1M

Total Debt

$114.7MFY 2024

FY21 —FY22 —FY23 —FY24 $114.7M

Op. Cash Flow

+206.9% YoY

$45.5MFY 2024

FY21 $-18.6MFY22 $-94.4MFY23 $-42.6MFY24 $45.5M

Metric	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020	FY 2019
Revenue	$452.7M +89.6%	$238.7M +32.4%	$180.4M +48.3%	$121.6M +21.3%	$100.3M -28.1%	$139.4M
Net Income	$13.4M +129.2%	$-45.8M +44.6%	$-82.7M -123.0%	$-37.1M -70.1%	$-21.8M -49.7%	$-14.6M
Operating Income	$54.5M +210.8%	$-49.2M +37.9%	$-79.2M -95.2%	$-40.6M -88.2%	$-21.6M -52.3%	$-14.2M
EPS (Diluted)	$0.17 +125.8%	$-0.66 +68.6%	$-2.10 -72.1%	$-1.22 -47.0%	$-0.83	—
Total Assets	$895.1M +27.3%	$703.0M +9.3%	$643.4M +251.7%	$183.0M +87.8%	$97.4M -5.9%	$103.5M
Total Debt	$114.7M	—	—	—	$5.3M	—
Operating Cash Flow	$45.5M +206.9%	$-42.6M +54.9%	$-94.4M -406.8%	$-18.6M -87.7%	$-9.9M -841.6%	$-1.1M

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Available Research

13F Pro tracks comprehensive data for ASPEN AEROGELS INC including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of ASPN

KIM, LLC
$42.0M12,280,426 sh
OAKTOP CAPITAL MANAGEMENT II, L.P.
$17.7M5,168,674 sh
BlackRock, Inc.
$16.2M4,743,076 sh
NEEDHAM INVESTMENT MANAGEMENT LLC
$15.5M4,518,775 sh
VANGUARD CAPITAL MANAGEMENT LLC
$11.8M3,436,156 sh
GEORGE KAISER FAMILY FOUNDATION
$10.8M3,167,322 sh
STATE STREET CORP
$7.9M2,320,727 sh
Invesco Ltd.
$7.9M2,298,183 sh
GAGNON SECURITIES LLC
$6.4M1,861,851 sh
RICE HALL JAMES & ASSOCIATES, LLC
$5.3M1,552,628 sh

Fund	Value	Shares
KIM, LLC	$42.0M	12,280,426
OAKTOP CAPITAL MANAGEMENT II, L.P.	$17.7M	5,168,674
BlackRock, Inc.	$16.2M	4,743,076
NEEDHAM INVESTMENT MANAGEMENT LLC	$15.5M	4,518,775
VANGUARD CAPITAL MANAGEMENT LLC	$11.8M	3,436,156
GEORGE KAISER FAMILY FOUNDATION	$10.8M	3,167,322
STATE STREET CORP	$7.9M	2,320,727
Invesco Ltd.	$7.9M	2,298,183
GAGNON SECURITIES LLC	$6.4M	1,861,851
RICE HALL JAMES & ASSOCIATES, LLC	$5.3M	1,552,628

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Is ASPN a good stock to buy?

13F Pro's AI-powered analysis of ASPEN AEROGELS INC (ASPN) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Consumer Discretionary sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for ASPN are available on the ASPN stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own ASPN?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling ASPN. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of ASPEN AEROGELS INC's investment landscape.