ASPN — ASPEN AEROGELS INC

Ownership history in FOX RUN MANAGEMENT, L.L.C.  ·  5 quarters on record

This page tracks every 13F SEC filing in which FOX RUN MANAGEMENT, L.L.C. reported a position in ASPEN AEROGELS INC (ASPN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.19% (2024 Q4)
Avg. % of fund
0.08%
First filed
2022 Q4
Last filed
2025 Q3
Quarters held
5
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 36,181 +12,226 +51.0% 0.04% $252K $6.96
2025 Q1 REDUCED 23,955 -63,618 -72.6% 0.02% $153K $6.39
2024 Q4 ADDED 87,573 +68,473 +358.5% 0.19% $1.0M $11.88
2024 Q2 ADDED 19,100 +4,796 +33.5% 0.09% $456K $23.85
2022 Q4 INITIATED 14,304 — — 0.07% $169K —
% of Fund (quarterly)    ASPN price (monthly, adj. close)

Other funds also holding ASPN

As of 2025 Q4 — sorted by position size

KIM, LLC 3Y 2.81% GEORGE KAISER FAMILY FOUNDATION 3Y 7Y 1.2% OAKTOP CAPITAL MANAGEMENT II, L.P. 3Y 7Y 1.05% Samjo Management, LLC 0.94% NEEDHAM INVESTMENT MANAGEMENT LLC 3Y 7Y 0.78% Firsthand Capital Management, Inc. 3Y 7Y 0.66% GAGNON SECURITIES LLC 3Y 7Y 0.65% Palogic Value Management, L.P. 3Y 0.62% Telemark Asset Management, LLC 3Y 7Y 0.28% RICE HALL JAMES & ASSOCIATES, LLC 3Y 7Y 0.22%
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