RHUMBLINE ADVISERS

Position in ASPN — Aspen Aerogels Inc

CIK 1115418 BOSTON, MA

Position in ASPN

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$528,343

+$241,067 QoQ

Shares Held

83,335

-0.8% QoQ

Ownership

0.100%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#66

of 179 holders

Holding Since

Jun 2020

25 quarters on record

Voting authority Sole 17% Shared 0% None 83%

Basic Materials · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $1,282,066,450 across 52 Specialty Chemicals names. ASPN ranks #42 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LIN	Linde PLC	780,916	$405,248,549
2	SHW	Sherwin Williams Co	409,153	$140,879,560
3	ECL	Ecolab Inc.	445,795	$124,202,944
4	APD	Air Products & Chemicals, Inc.	381,830	$111,944,919
5	PPG	Ppg Industries Inc	403,341	$48,921,229
6	DD	DuPont de Nemours, Inc.	357,575	$48,501,473
7	RPM	Rpm International Inc/De/	363,093	$40,357,786
8	SOLS	Solstice Advanced Materials Inc.	448,781	$39,761,996

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$528,343	83,335	-0.8%	Shares	Sole	2026-08-12
2026-03-31	$287,276	83,999	-6.0%	Shares	Sole	2026-05-12
2025-12-31	$252,769	89,318	-19.3%	Shares	Sole	2026-02-13
2025-09-30	$770,694	110,732	-2.4%	Shares	Sole	2025-11-06
2025-06-30	$671,955	113,506	+24.8%	Shares	Sole	2025-08-12
2025-03-31	$581,266	90,965	-2.2%	Shares	Sole	2025-05-29
2024-12-31	$1,105,362	93,044	+2.8%	Shares	Sole	2025-05-29
2024-09-30	$2,505,668	90,490	-2.9%	Shares	Sole	2024-11-12
2024-06-30	$2,223,440	93,226	+13.7%	Shares	Sole	2024-08-01
2024-03-31	$1,443,569	82,021	+2.8%	Shares	Sole	2024-05-09
2023-12-31	$1,258,959	79,782	+4.8%	Shares	Sole	2024-02-08
2023-09-30	$654,606	76,117	+2.5%	Shares	Sole	2023-11-09
2023-06-30	$585,879	74,256	+52.2%	Shares	Sole	2023-08-08
2023-03-31	$363,388	48,777	+26.9%	Shares	Sole	2023-05-11
2022-12-31	$453,125	38,433	+3.8%	Shares	Sole	2023-02-14
2022-09-30	$341,250	37,012	+19.5%	Shares	Sole	2022-11-10
2022-06-30	$306,121	30,984	+38.5%	Shares	Sole	2022-08-11
2022-03-31	$771,352	22,371	+13.5%	Shares	Sole	2022-05-12
2021-12-31	$981,211	19,707	+0.6%	Shares	Sole	2022-02-10
2021-09-30	$901,243	19,588	+11.8%	Shares	Sole	2021-11-12
2021-06-30	$524,228	17,521	-30.4%	Shares	Sole	2021-08-05
2021-03-31	$512,079	25,176	-5.3%	Shares	Sole	2021-05-06
2020-12-31	$443,469	26,571	+25.3%	Shares	Sole	2021-02-10
2020-09-30	$232,161	21,202	-16.9%	Shares	Sole	2020-11-12
2020-06-30	$167,928	25,521	—	Shares	Sole	2020-08-13
No filing history on record for this holder in this stock.