Rossby Financial’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
$1.04M Buy
11,042
+1,763
+19% +$167K 0.19% 104
2026
Q1
$878K Buy
9,279
+8,662
+1,404% +$828K 0.18% 113
2025
Q4
$58.8K Sell
617
-179
-22% -$17.1K 0.02% 519
2025
Q3
$75.7K Buy
796
+9
+1% +$845 0.02% 452
2025
Q2
$73.9K Buy
787
+43
+6% +$3.98K 0.03% 420
2025
Q1
$69.4K Buy
+744
New +$68.8K 0.03% 408

Other funds holding MBB

Rossby Financial's MBB Position: Q2 2026 in Review

Rossby Financial increased its iShares MBS ETF (MBB) stake by 19% in Q2 2026, buying an estimated $167K and bringing the position to 11,042 shares worth $1.04M. The position accounts for 0.19% of the portfolio, ranked #104.

Rossby Financial first reported a position in MBB in Q1 2025 and has held it in 6 quarters since. 1,026 funds tracked by Wall St. Rank hold MBB as of Q2 2026.

  • Rossby Financial held 11,042 shares of iShares MBS ETF worth $1.04M as of Q2 2026.
  • Rossby Financial bought 1,763 iShares MBS ETF shares in Q2 2026, an estimated $167K.
  • iShares MBS ETF made up 0.19% of Rossby Financial's portfolio in Q2 2026, its #104 holding.
  • Rossby Financial first reported a position in iShares MBS ETF in Q1 2025 and has held it in 6 quarters since.
  • 1,026 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.