CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Position in ASPN — Aspen Aerogels Inc

CIK 884546 SAN FRANCISCO, CA

Back to ASPN Full portfolio

Position in ASPN

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$1,903,999

+$374,885 QoQ

Shares Held

556,725

+3.0% QoQ

Ownership

0.672%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

24 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in ASPN Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Mar 31, 2026

CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $2,642,286,883 across 27 Building Products & Equipment names. ASPN ranks #26 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TT	Trane Technologies plc	1,642,983	$684,696,735
2	JCI	Johnson Controls International plc	3,843,998	$503,371,538
3	CARR	CARRIER GLOBAL Corp	4,936,240	$277,959,674
4	SPXC	SPX Technologies, Inc.	634,178	$126,797,549
5	LII	Lennox International Inc	271,408	$125,968,595
6	MAS	Masco Corp /De/	1,974,805	$119,218,977
7	CSL	Carlisle Companies Inc	351,018	$117,106,625
8	WMS	Advanced Drainage Systems, Inc.	702,650	$96,354,394

All Filings in ASPN

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24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,903,999	556,725	+3.0%	Shares	Sole	2026-05-15
2025-12-31	$1,529,114	540,323	-5.6%	Shares	Sole	2026-02-13
2025-09-30	$3,985,212	572,588	+4.9%	Shares	Sole	2025-11-10
2025-06-30	$3,231,390	545,843	+11.9%	Shares	Sole	2025-08-12
2025-03-31	$3,116,601	487,731	-11.3%	Shares	Sole	2025-09-15
2024-12-31	$6,530,542	549,709	+7.9%	Shares	Sole	2025-02-06
2024-09-30	$14,106,116	509,430	+204.7%	Shares	Sole	2024-11-12
2024-06-30	$3,987,171	167,177	+16.6%	Shares	Sole	2024-08-12
2024-03-31	$2,522,977	143,351	-2.3%	Shares	Sole	2024-05-09
2023-12-31	$2,315,588	146,742	-1.6%	Shares	Sole	2024-02-06
2023-09-30	$1,282,758	149,158	+2.9%	Shares	Sole	2023-11-08
2023-06-30	$1,143,292	144,904	+5.9%	Shares	Sole	2023-08-10
2023-03-31	$1,019,413	136,834	+46.3%	Shares	Sole	2023-05-12
2022-12-31	$1,102,907	93,546	+18.3%	Shares	Sole	2023-02-13
2022-09-30	$729,209	79,090	+10.4%	Shares	Sole	2022-11-14
2022-06-30	$707,487	71,608	+22.2%	Shares	Sole	2022-08-15
2022-03-31	$2,020,252	58,592	+1.7%	Shares	Sole	2022-05-13
2021-12-31	$2,868,999	57,622	+2.3%	Shares	Sole	2022-02-11
2021-09-30	$2,591,559	56,326	-2.5%	Shares	Sole	2021-11-16
2021-06-30	$1,729,286	57,797	+6.6%	Shares	Sole	2021-08-16
2021-03-31	$1,103,078	54,232	-30.3%	Shares	Sole	2021-05-17
2020-12-31	$1,298,565	77,805	+9.4%	Shares	Sole	2021-02-16
2020-09-30	$778,840	71,127	+41.3%	Shares	Sole	2020-11-13
2020-06-30	$331,151	50,327	—	Shares	Sole	2020-08-20
No filing history on record for this holder in this stock.