# Holder Name Position Position Change $ Market Value % Port % O/S Rpt Date
1 General American Investors Co., Inc. (Investment Management) 354,361 0 3,075,853.48 0.1776 0.4121 09/30/2025
2 Wells Fargo Clearing Services LLC 153,990 -89,228 1,336,633.2 0.0005 0.1791 09/30/2025
3 Marshall Wace LLP 31,211 31,211 270,911.48 0.0003 0.0363 09/30/2025
4 Ironwood Investment Management LLC 25,135 113 218,171.8 0.0938 0.0292 09/30/2025
5 Morgan Stanley & Co. International Plc 22,768 19,043 197,626.24 0.0019 0.0265 09/30/2025
6 Citadel Securities LLC 16,410 -10,809 142,438.8 0.0004 0.0191 09/30/2025
7 Morgan Stanley Smith Barney LLC (Investment Management) 10,204 8,725 88,570.72 0 0.0119 09/30/2025
8 JPMorgan Securities LLC (Investment Management) 10,179 10,179 88,353.72 0 0.0118 09/30/2025
9 VSM Wealth Advisory LLC 9,000 5,000 78,120 0.0238 0.0105 09/30/2025
10 GAMMA Investing LLC 2,117 36 18,375.56 0.001 0.0025 09/30/2025
11 Osaic Advisory Services LLC 500 -800 4,340 0.0001 0.0006 09/30/2025
12 UBS Securities LLC 472 435 4,096.96 0 0.0005 09/30/2025
13 RhumbLine Advisers LP 218 44 1,892.24 0 0.0003 09/30/2025
14 Barclays Bank Plc (Private Banking) 196 196 1,701.28 0 0.0002 09/30/2025
15 EverSource Wealth Advisors LLC 100 100 868 0 0.0001 09/30/2025
# Holder Name Position Position Change $ Market Value % Port % O/S Rpt Date
1 General American Investors Fund 354,361 0 3,075,853.48 0.1847 0.4121 09/30/2025
2 Fidelity Nasdaq Composite Index Fund 2,880 0 24,998.4 0.0001 0.0033 10/31/2025
# Holder Name Position Position Change $ Market Value % Port % O/S Rpt Date
1 Marshall Wace LLP 31,211 31,211 270,911.48 0.0003 0.0363 09/30/2025
2 Morgan Stanley & Co. International Plc 22,768 19,043 197,626.24 0.0019 0.0265 09/30/2025
3 JPMorgan Securities LLC (Investment Management) 10,179 10,179 88,353.72 0 0.0118 09/30/2025
4 Morgan Stanley Smith Barney LLC (Investment Management) 10,204 8,725 88,570.72 0 0.0119 09/30/2025
5 VSM Wealth Advisory LLC 9,000 5,000 78,120 0.0238 0.0105 09/30/2025
6 UBS Securities LLC 472 435 4,096.96 0 0.0005 09/30/2025
7 Barclays Bank Plc (Private Banking) 196 196 1,701.28 0 0.0002 09/30/2025
8 Ironwood Investment Management LLC 25,135 113 218,171.8 0.0938 0.0292 09/30/2025
9 EverSource Wealth Advisors LLC 100 100 868 0 0.0001 09/30/2025
10 Osaic Wealth, Inc. (Investment Management) 55 55 477.4 0 0.0001 09/30/2025
# Holder Name Position Position Change $ Market Value % Port % O/S Rpt Date
1 Wells Fargo Clearing Services LLC 153,990 -89,228 1,336,633.2 0.0005 0.1791 09/30/2025
2 Citadel Securities LLC 16,410 -10,809 142,438.8 0.0004 0.0191 09/30/2025
3 Osaic Advisory Services LLC 500 -800 4,340 0.0001 0.0006 09/30/2025
4 Ridgewood Investments LLC 0 -550 0 0 0

Data provided by FactSet Research Systems Inc.