Stock TransactionsASPEN AEROGELS INC

Total Bought
2,156,370
24 transactions
Total Sold
2,279,925
28 transactions
Net
-123,555
shares
Filing Period:Transaction:
FundPrevious Shares
Current Shares
Change in Shares
Previous Portfolio Weightage (%)
Current Portfolio Weightage (%)
Change in Weight (%)
Type
AMERICAN CENTURY COMPANIES INC770,7291,491,123+720,3940.010.03+0.01buy
DRIEHAUS CAPITAL MANAGEMENT LLC2,156,7892,550,857+394,0680.500.61+0.11buy
LOOMIS SAYLES & CO L P1,319,2441,619,320+300,0760.040.06+0.02buy
OAKTOP CAPITAL MANAGEMENT II, L.P.3,340,5253,540,525+200,0008.1610.70+2.54buy
Firsthand Capital Management, Inc.5,000105,000+100,0006.565.74-0.82buy
RICE HALL JAMES & ASSOCIATES, LLC446,402535,113+88,7110.640.80+0.16buy
KENNEDY CAPITAL MANAGEMENT LLC114,218184,459+70,2410.060.11+0.05buy
OPPENHEIMER & CO INC38,381102,535+64,1540.010.04+0.03buy
ALGERT GLOBAL LLC79,757127,764+48,0070.070.100.00buy
RICE HALL JAMES & ASSOCIATES, LLC581,215535,113+46,1020.580.800.00sell
GSA CAPITAL PARTNERS LLP66,21124,860+41,3510.120.060.00sell
Strategic Wealth Partners, Ltd.38,90475,182+36,2780.100.20+0.10buy
Black Swift Group, LLC79,400106,500+27,1000.440.65+0.21buy
Bridgewater Advisors Inc.56,13977,357+21,2180.150.15-0.00buy
FORMULA GROWTH LTD30,00050,000+20,0000.260.48+0.22buy
Redwood Grove Capital, LLC133,210147,705+14,4950.991.11+0.12buy
Perigon Wealth Management, LLC8,76620,655+11,8890.010.02+0.01buy
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND80,59188,714+8,1230.010.01+0.00buy
Nebula Research & Development LLC8,61616,435+7,8190.030.05+0.02buy
BOSUN ASSET MANAGEMENT, LLC43,87650,809+6,9330.630.68+0.05buy
Sargent Investment Group, LLC317,539323,369+5,8301.541.61+0.06buy
Harvest Investment Services, LLC27,40332,105+4,7020.260.28+0.02buy
Abbot Financial Management, Inc.25,21629,109+3,8930.320.41+0.08buy
nVerses Capital, LLC4,0005,800+1,8000.060.07+0.02buy
Cornerstone Investment Partners, LLC13,50113,965+4640.020.02+0.00buy
Harbour Capital Advisors, LLC43,35043,525+1750.240.23-0.01buy
NorthCrest Asset Manangement, LLC9,1049,103-10.010.01+0.00sell
CIM, LLC15,07414,965-1090.060.06+0.00sell
D.A. DAVIDSON & CO.42,80342,692-1110.010.01+0.00sell
Ballentine Partners, LLC13,47013,349-1210.010.01+0.00sell
Harel Insurance Investments & Financial Services Ltd.1,5721,404-1680.000.00-0.00sell
GREENWOOD CAPITAL ASSOCIATES LLC35,88935,189-7000.110.13+0.01sell
ARS Investment Partners, LLC25,48424,587-8970.060.06+0.00sell
Bouvel Investment Partners, LLC93,76090,992-2,7680.870.95+0.08sell
CHURCHILL MANAGEMENT Corp33,58028,941-4,6390.010.01-0.00sell
GILDER GAGNON HOWE & CO LLC285,652279,754-5,8980.090.09+0.01sell
Numerai GP LLC31,06323,333-7,7300.270.17-0.10sell
ALPS ADVISORS INC171,800160,411-11,3890.030.03+0.00sell
AWM Investment Company, Inc.1,188,2021,174,571-13,6313.833.94+0.11sell
Hillsdale Investment Management Inc.153,100129,460-23,6400.290.28-0.01sell
Informed Momentum Co LLC104,99481,034-23,9600.410.34-0.07sell
Legato Capital Management LLC79,87752,957-26,9200.260.18-0.08sell
ROYCE & ASSOCIATES LP1,239,2671,212,097-27,1700.280.31+0.03sell
NEEDHAM INVESTMENT MANAGEMENT LLC2,299,7292,272,200-27,5294.514.83+0.32sell
CASTLEARK MANAGEMENT LLC228,164177,874-50,2900.220.20-0.02sell
SILVERCREST ASSET MANAGEMENT GROUP LLC250,855193,284-57,5710.040.04-0.00sell
ESSEX INVESTMENT MANAGEMENT CO LLC295,116215,767-79,3491.321.04-0.27sell
FULLER & THALER ASSET MANAGEMENT, INC.169,83038,170-131,6600.020.00-0.01sell
Samjo Management, LLC1,038,500895,775-142,7259.228.56-0.67sell
Encompass Capital Advisors LLC1,950,0001,703,151-246,8492.512.30-0.22sell
ARDSLEY ADVISORY PARTNERS LP395,000125,000-270,0001.700.65-1.05sell
FRONTIER CAPITAL MANAGEMENT CO LLC1,745,361708,714-1,036,6470.410.18-0.23sell
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