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RBRK
RBRK
--
--
VP
Vanguard Portfolio Management, LLC
Buy
Sell
Price
Unit: Shares
Holdings History
Date
Change %
Shares Changed
% Held
Shares Held
Report Date
Latest
0.10%
+271.77K
4.00%
8.30M
06/30/2026
Q2 2026
0.13%
+271.77K
4.03%
8.30M
06/30/2026
Q1 2026
--
+8.03M
3.90%
8.03M
03/31/2026
