Aspen AerogelsASPN

13F holders, Q1 2024 (March 31)
167holders
3famous investors
$17.60avg. 13F price*

At the end of Q1 2024, 167 institutions reported holding Aspen Aerogels Inc. (ASPN) in their 13F filings. The largest holders were Kim, LLC ($277.7M), BlackRock Inc. ($71.5M) and Vanguard Group Inc. ($63.7M). 3 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Aspen Aerogels Inc.
CUSIP
04523Y105
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 167Q1 2024Q2 2024: 222Q2 2024Q3 2024: 243Q3 2024Q4 2024: 231Q4 2024Q1 2025: 221Q1 2025Q2 2025: 182Q2 2025Q3 2025: 204Q3 2025Q4 2025: 183Q4 2025Q1 2026: 166Q1 2026Q2 2026: 179Q2 2026

Total Exit/New Position Q1 2024

InstitutionsTotal Value
New Positions29$26.5M
Exits30$51.2M

Ownership 167 holders

Kim, LLC 34.93% No change 15,780,426 $277.7M
BlackRock Inc. 0.00% Add +0.2% 4,062,917 $71.5M
Vanguard Group Inc. 0.00% Add +5.1% 3,619,702 $63.7M
Oaktop Capital Management Ii, L.P. 6.79% Add +4.6% 3,340,525 $58.8M
Hood River Capital Management LLC 1.30% Add +12.2% 3,300,443 $58.1M
George Kaiser Family Foundation 10.57% No change 3,167,322 $55.7M
Needham Investment Management LLC 4.91% Add +1.2% 3,002,200 $52.8M
FMR LLC 0.00% Add +2.1% 2,378,081 $41.9M
Encompass Capital Advisors LLC 2.08% Add +7.6% 2,181,339 $38.4M
Frontier Capital Management Co. LLC 0.34% Add +42.8% 2,072,789 $36.5M
AWM Investment Company, Inc. 4.56% Reduce -7.8% 1,977,839 $34.8M
Samjo Management, LLC 10.26% Reduce -27.2% 1,657,775 $29.2M
Ameriprise Financial Inc. 0.01% Reduce -10.7% 1,650,950 $29.1M
Royce & Associates LP 0.26% Reduce -4.1% 1,648,074 $29.0M
Telemark Asset Management, LLC 2.71% No change 1,492,424 $26.3M
State Street Corp. 0.00% Add +7.7% 1,383,560 $24.4M
Geode Capital Management, LLC 0.00% Add +6.2% 1,182,026 $20.8M
Federated Hermes, Inc. 0.05% No change 1,154,042 $20.3M
Dimensional Fund Advisors LP 0.01% Add +39.0% 1,133,710 $20.0M
Morgan Stanley 0.00% Add +63.8% 1,089,803 $19.2M
UniSuper Management Pty Ltd 0.18% No change 1,083,836 $19.1M
Driehaus Capital Management LLC 0.16% Reduce -6.0% 936,065 $16.5M
Ardsley Advisory Partners LP 2.19% Reduce -17.3% 865,000 $15.2M
Voya Investment Management LLC 0.02% Add +3831.7% 803,513 $14.1M
Mesirow Institutional Investment Management, Inc. 1.04% Reduce -12.6% 665,438 $11.7M
Rice Hall James & Associates, LLC 0.58% Add +0.1% 581,215 $10.2M
Penn Capital Management Company, LLC 0.84% Reduce -25.3% 537,369 $9.5M
Northern Trust Corp. 0.00% Reduce -2.1% 510,226 $9.0M
Point72 Asset Management 0.03% Add +203.1% 495,211 $8.7M
Silvercrest Asset Management Group LLC 0.06% Add +48.0% 478,193 $8.4M
Nuveen Asset Management, LLC 0.00% Reduce -58.1% 471,227 $8.3M
Baird Financial Group, Inc. 0.02% Add +0.1% 435,516 $7.7M
Essex Investment Management Co. LLC 1.34% Reduce -11.0% 385,455 $6.8M
New York State Common Retirement Fund 0.01% Reduce -24.5% 383,658 $6.8M
Sargent Investment Group, LLC 1.27% Reduce -2.1% 330,187 $5.8M
Deutsche Bank AG 0.00% Add +63.6% 328,518 $5.8M
UBS Group AG 0.00% Add +45.8% 300,031 $5.3M
First Trust Advisors LP 0.01% New 280,603 $4.9M
Harvey Partners, LLC 0.53% Reduce -8.3% 277,500 $4.9M
Fuller & Thaler Asset Management, Inc. 0.02% Reduce -2.8% 264,890 $4.7M
Invesco Ltd. 0.00% Add +18.8% 256,816 $4.5M
Bank of America Corp. 0.00% Add +673.2% 244,757 $4.3M
Castleark Management LLC 0.17% Reduce -7.8% 230,444 $4.1M
G2 Investment Partners Management LLC 1.03% New 220,084 $3.9M
State of Wisconsin Investment Board 0.01% Reduce -14.6% 218,323 $3.8M
Goldman Sachs Group Inc. 0.00% Reduce -2.4% 217,154 $3.8M
Jane Street Group, LLC 0.00% Add +23.0% 215,064 $3.8M
Susquehanna International Group, LLP 0.01% Reduce -3.8% 204,790 $3.6M
Informed Momentum Co LLC 0.56% Add +1.5% 204,448 $3.6M
Masters Capital Management LLC 0.66% No change 200,000 $3.5M
Bank of New York Mellon Corp 0.00% Reduce -17.6% 179,678 $3.2M
Kennedy Capital Management LLC 0.06% Reduce -19.2% 177,900 $3.1M
Squarepoint Ops LLC 0.01% Add +1091.7% 167,703 $3.0M
Charles Schwab Investment Management Inc. 0.00% Reduce -2.3% 143,351 $2.5M
Greenwood Capital Associates LLC 0.33% Reduce -3.2% 140,284 $2.5M
AQR Capital Management 0.00% New 139,864 $2.5M
Redwood Grove Capital, LLC 0.73% No change 133,210 $2.3M
Swiss National Bank 0.00% Add +16.2% 120,500 $2.1M
American Century Companies Inc. 0.00% Add +58.8% 116,379 $2.0M
Comerica Bank 0.01% New 113,186 $2.0M
Legato Capital Management LLC 0.23% No change 107,252 $1.9M
Marex Group Ltd 0.06% Add +61.5% 105,000 $1.8M
Trexquant Investment LP 0.04% New 102,430 $1.8M
Credit Suisse AG/ 0.00% Add +0.6% 100,854 $1.8M
Palogic Value Management, L.P. 0.76% Reduce -50.0% 100,000 $1.8M
Maven Securities LTD 0.10% New 100,000 $1.8M
Bouvel Investment Partners, LLC 0.72% Reduce -0.1% 94,188 $1.7M
Redwood Investments, LLC 0.46% Reduce -59.5% 91,621 $1.6M
Bantamac Capital, LLC 0.90% New 89,598 $1.6M
IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.17% Reduce -1.8% 85,257 $1.5M
Sei Investments Co. 0.00% Reduce -2.3% 84,759 $1.5M
Allspring Global Investments Holdings, LLC 0.00% Reduce -1.8% 83,267 $1.5M
Rhumbline Advisers 0.00% Add +2.8% 82,021 $1.4M
Caption Management, LLC 0.16% Add +571.5% 80,048 $1.4M
Strategic Wealth Partners, Ltd. 0.13% Add +8.3% 68,980 $1.2M
Gsa Capital Partners LLP 0.09% New 67,103 $1.2M
Jackson Creek Investment Advisors LLC 0.39% Reduce -38.9% 61,831 $1.1M
California State Teachers Retirement System 0.00% Add +8.6% 60,039 $1.1M
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% Reduce -7.3% 60,033 $1.1M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% No change 57,840 $1.0M
Boothbay Fund Management, LLC 0.03% Add +325.3% 53,422 $940K
Citadel Advisors 0.00% Reduce -81.0% 52,276 $920K
Alliancebernstein L.P. 0.00% No change 50,890 $896K
Algert Global LLC 0.03% Reduce -17.5% 50,534 $889K
Legal & General Group Plc 0.00% Add +11.8% 50,086 $882K
Healthcare of Ontario Pension Plan Trust Fund 0.00% New 48,348 $851K
Barclays PLC 0.00% Reduce -40.4% 48,042 $846K
Graham Capital Management, L.P. 0.04% New 44,099 $776K
Bridgewater Advisors Inc. 0.11% New 42,639 $750K
Woodmont Investment Counsel LLC 0.06% No change 41,600 $732K
Citigroup Inc. 0.00% Add +251.8% 40,280 $709K
Assenagon Asset Management S.A. 0.00% New 36,114 $636K
Osaic Holdings, Inc. 0.00% Reduce -63.9% 35,418 $623K
Firsthand Capital Management, Inc. 1.00% No change 35,000 $616K
Abbot Financial Management, Inc. 0.34% Add +23.9% 34,816 $613K
ARS Investment Partners, LLC 0.06% Reduce -18.8% 33,679 $593K
Eschler Asset Management LLP 0.38% New 33,082 $582K
PEAK6 Investments LLC 0.03% New 32,799 $577K
Janus Henderson Group PLC 0.00% Add +0.1% 30,840 $543K
ExodusPoint Capital Management, LP 0.01% New 28,673 $505K
MetLife Investment Management, LLC 0.00% No change 26,511 $467K
Russell Investments Group, Ltd. 0.00% Reduce -31.3% 25,964 $457K
BNP Paribas Financial Markets 0.00% Add +85.2% 25,706 $452K
American International Group, Inc. 0.00% Reduce -0.8% 25,187 $443K
Franklin Resources Inc. 0.00% Reduce -2.3% 24,123 $425K
Wells Fargo & Company 0.00% Add +21.2% 23,337 $411K
Harbour Capital Advisors, LLC 0.10% New 24,115 $404K
Oppenheimer & Co. Inc. 0.01% New 22,055 $388K
JPMorgan Chase & Co. 0.00% Reduce -41.5% 20,088 $354K
Wolverine Trading, LLC 0.00% Add +74.8% 19,707 $347K
Manufacturers Life Insurance Company, The 0.00% Reduce -3.2% 19,350 $341K
Arizona State Retirement System 0.00% Add +14.0% 16,779 $295K
Crossmark Global Holdings, Inc. 0.01% New 16,474 $290K
Journey Strategic Wealth LLC 0.01% New 15,000 $264K
Cornerstone Investment Partners, LLC 0.01% No change 14,606 $257K
T. Rowe Price Associates Inc. 0.00% Add +15.3% 14,580 $257K
Versor Investments LP 0.05% New 14,600 $257K
Mariner, LLC 0.00% Add +7.8% 14,046 $247K
Virtu Financial LLC 0.02% New 13,977 $246K
Ballentine Partners, LLC 0.00% Add +0.2% 13,202 $232K
Bank of Montreal 0.00% No change 13,055 $231K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 12,971 $228K
Royal Bank of Canada 0.00% Reduce -50.4% 11,994 $211K
Jump Financial, LLC 0.01% New 10,929 $192K
Crestwood Advisors Group, LLC 0.00% No change 10,052 $177K
Choate Investment Advisors 0.00% No change 10,000 $176K
Tucker Asset Management LLC 0.03% New 8,147 $143K
AlphaQuest LLC 0.02% Add +393.2% 7,260 $128K
US Bancorp \de 0.00% Reduce -3.1% 6,689 $118K
State Board of Administration of Florida Retirement System 0.00% Reduce -3.4% 14,118 $105K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -41.6% 13,451 $97K
Ameritas Investment Partners, Inc. 0.00% No change 5,021 $88K
Banque Cantonale Vaudoise 0.00% Add +37.5% 4,593 $81K
Simplex Trading, LLC 0.00% New 4,287 $75K
First PREMIER Bank 0.02% No change 4,000 $70K
Harel Insurance Investments & Financial Services Ltd. 0.00% Reduce -16.1% 3,959 $70K
Metropolitan Life Insurance Co 0.00% No change 2,728 $48K
Amalgamated Bank 0.00% Reduce -61.1% 1,744 $31K
UMB Bank, n.a. 0.00% No change 1,200 $21K
Colonial Trust Co / SC 0.00% No change 728 $13K
PNC Financial Services Group, Inc. 0.00% Reduce -0.7% 600 $11K
Tower Research Capital LLC (TRC) 0.00% Reduce -94.1% 526 $9K
Exchange Traded Concepts, LLC 0.00% New 434 $8K
Wetzel Investment Advisors, Inc. 0.00% No change 400 $6K
Venturi Wealth Management, LLC 0.00% New 300 $5K
IFP Advisors, Inc 0.00% No change 295 $5K
Signaturefd, LLC 0.00% No change 293 $5K
Cwm, LLC 0.00% Add +122.0% 293 $5K
Red Tortoise LLC 0.00% No change 271 $5K
First Horizon Advisors, Inc. 0.00% Reduce -51.8% 266 $5K
HighMark Wealth Management LLC 0.00% No change 250 $4K
GAMMA Investing LLC 0.00% Add +376.0% 238 $4K
Tyler-Stone Wealth Management 0.00% No change 200 $4K
HHM Wealth Advisors, LLC 0.00% No change 200 $4K
Lindbrook Capital, LLC 0.00% No change 176 $3K
Nisa Investment Advisors, LLC 0.00% Add +69.9% 124 $2K
Valley National Advisers Inc. 0.00% Add +38.5% 90 $1K
Colonial Trust Advisors 0.00% No change 50 $880
C M Bidwell & Associates Ltd. 0.00% No change 32 $563
Farther Finance Advisors, LLC 0.00% Reduce -3.1% 31 $547
Quadrant Capital Group LLC 0.00% No change 19 $335
Federation des caisses Desjardins du Quebec 0.00% No change 15 $264
WR Wealth Planners, LLC 0.00% New 12 $211
Rothschild Investment LLC 0.00% New 10 $176
Avior Wealth Management, LLC 0.00% New 10 $176
TFC Financial Management, Inc. 0.00% No change 2 $36
Covestor Ltd 0.00% Reduce -40.0% 6 $0

"% of holder's portfolio" is ASPN's weight in each manager's 13F, not the share of Aspen Aerogels Inc. the manager owns.