ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
KIM, LLC12,280,426$34,754
BlackRock, Inc.4,929,239$13,950
VANGUARD GROUP INC4,685,950$13,261
OAKTOP CAPITAL MANAGEMENT II, L.P.4,394,525$12,437
NEEDHAM INVESTMENT MANAGEMENT LLC4,351,700$12,315
Invesco Ltd.4,129,934$11,688
George Kaiser Family Foundation3,167,322$8,964
STATE STREET CORP2,501,469$7,079
DIMENSIONAL FUND ADVISORS LP2,003,963$5,672
GEODE CAPITAL MANAGEMENT, LLC1,602,049$4,535
JPMORGAN CHASE & CO1,483,745$4,199
RICE HALL JAMES & ASSOCIATES, LLC1,421,605$4,023
AMERIPRISE FINANCIAL INC1,378,284$3,901
GOLDMAN SACHS GROUP INC1,294,928$3,665
AMERICAN CENTURY COMPANIES INC1,157,978$3,277
GAGNON SECURITIES LLC1,133,248$3,207
Telemark Asset Management, LLC1,000,000$2,830
MILLENNIUM MANAGEMENT LLC870,951$2,465
CITADEL ADVISORS LLC866,218$2,451
Samjo Management, LLC798,525$2,260
TWO SIGMA INVESTMENTS, LP757,419$2,143
BANK OF AMERICA CORP /DE/752,430$2,129
BNP PARIBAS ARBITRAGE, SA691,270$1,956
First Eagle Investment Management, LLC622,487$1,762
FEDERATED HERMES, INC.564,486$1,597
MARSHALL WACE, LLP554,180$1,568
Jump Financial, LLC551,071$1,560
CHARLES SCHWAB INVESTMENT MANAGEMENT INC540,323$1,529
NORTHERN TRUST CORP539,168$1,526
Palogic Value Management, L.P.525,000$1,486
FirstWave Capital Management LLC372,001$1,053
AQR CAPITAL MANAGEMENT LLC369,949$1,047
MORGAN STANLEY347,648$984
UBS Group AG315,348$892
JANE STREET GROUP, LLC293,150$830
SG Americas Securities, LLC263,354$1
Numerai GP LLC251,888$713
CITIGROUP INC238,631$675
DEUTSCHE BANK AG\223,093$631
XTX Topco Ltd202,030$572
Bank of New York Mellon Corp196,903$557
FIRST TRUST ADVISORS LP196,566$556
SUSQUEHANNA INTERNATIONAL GROUP, LLP191,204$541
Inspire Investing, LLC166,874$472
Graham Capital Management, L.P.158,839$450
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND157,400$445
Sargent Investment Group, LLC141,607$401
JACOBS LEVY EQUITY MANAGEMENT, INC140,113$397
Swiss National Bank135,200$383
Nuveen, LLC133,867$379
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.131,468$380
IRONWOOD INVESTMENT MANAGEMENT LLC127,460$361
Firsthand Capital Management, Inc.125,000$354
STATE OF WISCONSIN INVESTMENT BOARD120,238$340
Engineers Gate Manager LP119,227$337
LOS ANGELES CAPITAL MANAGEMENT LLC118,664$894
ALPS ADVISORS INC116,372$329
EntryPoint Capital, LLC110,142$312
BARCLAYS PLC109,528$310
TWO SIGMA ADVISERS, LP104,300$295
Dynamic Technology Lab Private Ltd103,281$292
IMC-Chicago, LLC102,930$291
RBF Capital, LLC100,000$283
PRICE T ROWE ASSOCIATES INC /MD/98,299$0
Assenagon Asset Management S.A.97,002$275
Verition Fund Management LLC96,973$274
Russell Investments Group, Ltd.95,651$271
UBS ASSET MANAGEMENT AMERICAS INC94,589$268
RHUMBLINE ADVISERS89,318$253
Jain Global LLC87,835$249
WELLS FARGO & COMPANY/MN82,170$233
TUDOR INVESTMENT CORP ET AL79,171$224
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM78,454$222
OPPENHEIMER & CO INC77,021$218
Legal & General Group Plc67,130$190
ExodusPoint Capital Management, LP65,470$185
WJ Financial Advisors LLC64,815$183
ALLIANCEBERNSTEIN L.P.64,090$181
Aristides Capital LLC62,400$177
ALGERT GLOBAL LLC55,835$0
CONNORS INVESTOR SERVICES INC55,167$156
LPL Financial LLC55,076$156
ACADIAN ASSET MANAGEMENT LLC43,842$0
Odyssean, LLC41,759$118
AWM Investment Company, Inc.41,092$116
ARS Investment Partners, LLC40,765$115
Caption Management, LLC36,100$102
Quadrature Capital Ltd35,583$101
PharVision Advisers, LLC33,808$96
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.30,799$87
JANUS HENDERSON GROUP PLC30,455$86
Lighthouse Investment Partners, LLC30,000$85
Concurrent Investment Advisors, LLC30,000$85
MetLife Investment Management, LLC27,154$77
INTECH INVESTMENT MANAGEMENT LLC25,382$72
JOURNEY STRATEGIC WEALTH LLC25,157$71
OXFORD ASSET MANAGEMENT LLP24,083$68
HSBC HOLDINGS PLC23,326$66
D. E. Shaw & Co., Inc.23,217$66
Centiva Capital, LP21,247$60
79 other institutions519,455$1,375
Total (179 institutions)70,083,858$197,506