Stock TransactionsASPEN AEROGELS INC

Total Bought
1,338,710
7 transactions
Total Sold
9,941,290
38 transactions
Net
-8,602,580
shares
Filing Period:Transaction:
FundPrevious Shares
Current Shares
Change in Shares
Previous Portfolio Weightage (%)
Current Portfolio Weightage (%)
Change in Weight (%)
Type
DRIEHAUS CAPITAL MANAGEMENT LLC936,0652,156,789+1,220,7240.160.50+0.33buy
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND48,34880,591+32,2430.000.01+0.00buy
ALGERT GLOBAL LLC50,53479,757+29,2230.030.070.00buy
SILVERCREST ASSET MANAGEMENT GROUP LLC478,193501,710+23,5170.060.040.00buy
Harbour Capital Advisors, LLC24,11543,350+19,2350.100.24+0.14buy
Bridgewater Advisors Inc.42,63956,139+13,5000.110.15+0.04buy
GSA CAPITAL PARTNERS LLP67,10366,211+8920.110.120.00sell
Ballentine Partners, LLC13,20213,470+2680.000.01+0.00buy
C M BIDWELL & ASSOCIATES LTD3222-100.000.00-0.00sell
Bouvel Investment Partners, LLC94,18893,760-4280.720.87+0.15sell
Colonial Trust Co / SC728180-5480.000.00-0.00sell
Cornerstone Investment Partners, LLC14,60613,501-1,1050.010.02+0.00sell
Banque Cantonale Vaudoise4,5933,264-1,3290.000.00-0.00sell
CASTLEARK MANAGEMENT LLC230,444228,164-2,2800.170.22+0.05sell
Harel Insurance Investments & Financial Services Ltd.3,9591,572-2,3870.000.00-0.00sell
ARS Investment Partners, LLC33,67925,484-8,1950.060.06-0.00sell
Abbot Financial Management, Inc.34,81625,216-9,6000.340.32-0.02sell
Sargent Investment Group, LLC330,187317,539-12,6481.271.54+0.27sell
WOODMONT INVESTMENT COUNSEL LLC41,60025,350-16,2500.060.05-0.01sell
Marex Group plc105,00085,001-19,9990.060.05-0.01sell
Jackson Creek Investment Advisors LLC61,83141,589-20,2420.390.36-0.03sell
G2 Investment Partners Management LLC220,084198,917-21,1671.031.23+0.20sell
Legato Capital Management LLC107,25279,877-27,3750.230.26+0.03sell
Firsthand Capital Management, Inc.35,0005,000-30,0001.006.56+5.56sell
Strategic Wealth Partners, Ltd.68,98038,904-30,0760.130.10-0.03sell
BOSUN ASSET MANAGEMENT, LLC89,59843,876-45,7220.900.63-0.27sell
IQ EQ FUND MANAGEMENT (IRELAND) Ltd85,25729,131-56,1260.170.08-0.09sell
KENNEDY CAPITAL MANAGEMENT LLC177,900114,218-63,6820.060.06-0.01sell
ESSEX INVESTMENT MANAGEMENT CO LLC385,455295,116-90,3391.341.32-0.02sell
Harvey Partners, LLC277,500183,000-94,5000.520.52+0.01sell
FULLER & THALER ASSET MANAGEMENT, INC.264,890169,830-95,0600.020.02-0.00sell
Informed Momentum Co LLC204,448104,994-99,4540.560.41-0.15sell
GREENWOOD CAPITAL ASSOCIATES LLC140,28435,889-104,3950.330.11-0.22sell
UniSuper Management Pty Ltd1,083,836955,387-128,4490.180.19+0.01sell
RICE HALL JAMES & ASSOCIATES, LLC581,215446,402-134,8130.580.64+0.05sell
SILVERCREST ASSET MANAGEMENT GROUP LLC478,193250,855-227,3380.050.04-0.01sell
Encompass Capital Advisors LLC2,181,3391,950,000-231,3392.082.51+0.43sell
FRONTIER CAPITAL MANAGEMENT CO LLC2,072,7891,745,361-327,4280.340.41+0.07sell
ROYCE & ASSOCIATES LP1,648,0741,239,267-408,8070.260.28+0.02sell
ARDSLEY ADVISORY PARTNERS LP865,000395,000-470,0002.191.70-0.48sell
Samjo Management, LLC1,657,7751,038,500-619,27510.269.22-1.04sell
NEEDHAM INVESTMENT MANAGEMENT LLC3,002,2002,299,729-702,4714.914.51-0.40sell
AWM Investment Company, Inc.1,977,8391,188,202-789,6374.563.83-0.73sell
Hood River Capital Management LLC3,300,4431,752,519-1,547,9241.300.87-0.43sell
KIM, LLC15,780,42612,280,426-3,500,00029.3626.17-3.19sell
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