Cobblestone Asset Management’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
Q3
– Sell
-67,315
Closed -$6.36M – 79
2026
Q2
$6.36M Buy
67,315
+3,480
+5% +$329K 2.65% 10
2026
Q1
$6.06M Buy
63,835
+2,751
+5% +$263K 2.73% 12
2025
Q4
$5.82M Buy
61,084
+2,793
+5% +$266K 2.61% 12
2025
Q3
$5.55M Buy
58,291
+2,158
+4% +$203K 2.54% 14
2025
Q2
$5.27M Sell
56,133
-1,689
-3% -$157K 2.77% 12
2025
Q1
$5.42M Sell
57,822
-4,103
-7% -$379K 3.17% 9
2024
Q4
$5.68M Buy
61,925
+1,144
+2% +$107K 3.7% 9
2024
Q3
$5.82M Buy
60,781
+143
+0.2% +$13.5K 3.5% 11
2024
Q2
$5.57M Sell
60,638
-1,728
-3% -$157K 3.61% 10
2024
Q1
$5.76M Buy
62,366
+5,067
+9% +$469K 3.91% 7
2023
Q4
$5.39M Buy
57,299
+1,547
+3% +$139K 3.97% 7
2023
Q3
$4.95M Buy
+55,752
New +$5.1M 4.07% 7

Other funds holding MBB

Cobblestone Asset Management's MBB Position: Q3 2026 in Review

Cobblestone Asset Management sold out of iShares MBS ETF (MBB) in Q3 2026, closing a stake of 67,315 shares — an estimated $6.36M sold.

Cobblestone Asset Management first reported a position in MBB in Q3 2023 and held it in 12 quarters. The position peaked at $6.36M in Q2 2026. 172 funds tracked by Wall St. Rank hold MBB as of Q3 2026.

  • Cobblestone Asset Management reported no remaining iShares MBS ETF position as of Q3 2026 after selling out during the quarter.
  • Cobblestone Asset Management sold 67,315 iShares MBS ETF shares in Q3 2026, an estimated $6.36M.
  • Cobblestone Asset Management first reported a position in iShares MBS ETF in Q3 2023 and held it in 12 quarters.
  • Cobblestone Asset Management's iShares MBS ETF position peaked at $6.36M in Q2 2026.
  • 172 funds tracked by Wall St. Rank held iShares MBS ETF as of Q3 2026.

Based on Cobblestone Asset Management's 13F filing for Q3 2026, filed 13 Oct 2026.