Platform Features
Platform Features
Features
Investment Products
Private Wealth Management
Trading Tools
Market Data Services
Analysis Tools
News Services
For Developers
Account Types
For Individuals
For Institutions
Café
More
Log in / Sign up
STAK
STAK
1.180
4.84%
( -0.060 )
HR
Hudson River Trading LLC
Buy
Sell
Price
Unit: Shares
Holdings History
Date
Change %
Shares Changed
% Held
Shares Held
Report Date
Latest
--
+131.49K
0.68%
131.49K
06/30/2026
Q2 2026
0.68%
+131.49K
0.68%
131.49K
06/30/2026
Q3 2025
0.12%
-16.36K
0.00%
0.00
09/30/2025
Q2 2025
--
+16.36K
0.12%
16.36K
06/30/2025
