ASPN institutional holders

ASPEN AEROGELS INC · 13F, 2026Q2

Managers holding180
Shares held73,421,942
Reported value$464.9m
Quarter flows38 new, 61 added, 46 trimmed, 24 exited

Top 25 holders

ManagerSharesValue% of manager's 13F
KIM, LLC12,280,426$77.9m7.8%
BlackRock, Inc.5,277,148$33.5m0.0%
OAKTOP CAPITAL MANAGEMENT II, L.P.5,168,674$32.8m1.4%
VANGUARD CAPITAL MANAGEMENT LLC3,539,271$22.4m0.0%
NEEDHAM INVESTMENT MANAGEMENT LLC3,260,800$20.7m0.6%
George Kaiser Family Foundation3,167,322$20.1m1.9%
STATE STREET CORP2,559,495$16.2m0.0%
AMERICAN CENTURY COMPANIES INC2,510,042$15.9m0.0%
JACOBS LEVY EQUITY MANAGEMENT, INC2,058,083$13.0m0.0%
AMERIPRISE FINANCIAL INC1,821,295$11.5m0.0%
GEODE CAPITAL MANAGEMENT, LLC1,770,425$11.2m0.0%
RICE HALL JAMES & ASSOCIATES, LLC1,635,259$10.4m0.5%
Invesco Ltd.1,619,972$10.3m0.0%
GAGNON SECURITIES LLC1,535,812$9.7m1.9%
DIMENSIONAL FUND ADVISORS LP1,447,333$9.2m0.0%
GOLDMAN SACHS GROUP INC1,372,300$8.7m0.0%
ROYCE & ASSOCIATES LP1,323,218$8.4m0.1%
AQR CAPITAL MANAGEMENT LLC1,276,346$8.1m0.0%
MILLENNIUM MANAGEMENT LLC1,190,616$7.5m0.0%
MARSHALL WACE, LLP1,146,707$7.3m0.0%
D. E. Shaw & Co., Inc.1,066,501$6.8m0.0%
Telemark Asset Management, LLC1,000,000$6.3m0.5%
JPMORGAN CHASE & CO1,004,383$6.0m0.0%
BNP PARIBAS FINANCIAL MARKETS867,199$5.5m0.0%
TWO SIGMA INVESTMENTS, LP779,468$4.9m0.0%

Every holder, line by line, and the full history since 2013: yf.Client().holders("ASPN"). ASPN price history · All 13F data

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