River Street Advisors’s iShares MBS ETF MBB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$587K Hold
6,212
0.17% 108
2026
Q1
$590K Sell
6,212
-93
-1% -$8.88K 0.2% 99
2025
Q4
$600K Hold
6,305
0.23% 95
2025
Q3
$600K Sell
6,305
-1,617
-20% -$152K 0.23% 96
2025
Q2
$744K Buy
+7,922
New +$734K 0.32% 81
2024
Q4
Sell
-7,874
Closed -$754K 148
2024
Q3
$754K Buy
7,874
+1,134
+17% +$107K 0.41% 71
2024
Q2
$619K Buy
6,740
+4,528
+205% +$412K 0.38% 77
2024
Q1
$204K Buy
+2,212
New +$205K 0.14% 123

Other funds holding MBB

River Street Advisors's MBB Position: Q2 2026 in Review

River Street Advisors held its iShares MBS ETF (MBB) position steady in Q2 2026 at 6,212 shares worth $587K. The position accounts for 0.17% of the portfolio, ranked #108.

River Street Advisors first reported a position in MBB in Q1 2024 and has held it in 8 quarters since. The position peaked at $754K in Q3 2024. 1,021 funds tracked by Wall St. Rank hold MBB as of Q2 2026.

  • River Street Advisors held 6,212 shares of iShares MBS ETF worth $587K as of Q2 2026.
  • River Street Advisors left its iShares MBS ETF share count unchanged in Q2 2026.
  • iShares MBS ETF made up 0.17% of River Street Advisors's portfolio in Q2 2026, its #108 holding.
  • River Street Advisors first reported a position in iShares MBS ETF in Q1 2024 and has held it in 8 quarters since.
  • River Street Advisors's iShares MBS ETF position peaked at $754K in Q3 2024.
  • 1,021 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.

Based on River Street Advisors's 13F filing for Q2 2026, filed 21 Jul 2026.