ASPN — ASPEN AEROGELS INC

Ownership history in Samjo Management, LLC  ·  9 quarters on record

This page tracks every 13F SEC filing in which Samjo Management, LLC 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
12.72% (2023 Q4)
Avg. % of fund
5.63%
First filed
2023 Q4
Last filed
2025 Q4
Quarters held
9
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 798,525 +457,700 +134.3% 0.94% $2.3M $2.83
2025 Q3 REDUCED 340,825 -2,800 -0.8% 0.91% $2.4M $6.96
2025 Q2 REDUCED 343,625 -469,975 -57.8% 0.86% $2.0M $5.92
2025 Q1 REDUCED 813,600 -61,050 -7.0% 2.20% $5.2M $6.39
5 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% 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% 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% IRONWOOD INVESTMENT MANAGEMENT LLC 3Y 7Y 0.15%
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