Optas LLC’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
Sell
-10,786
Closed -$1.02M 533
2026
Q1
$1.02M Buy
10,786
+4,744
+79% +$453K 0.16% 79
2025
Q4
$575K Sell
6,042
-20,283
-77% -$1.93M 0.09% 152
2025
Q3
$2.5M Sell
26,325
-37,650
-59% -$3.54M 0.43% 36
2025
Q2
$6.01M Sell
63,975
-3,748
-6% -$347K 1.14% 18
2025
Q1
$6.35M Sell
67,723
-4,769
-7% -$441K 1.11% 17
2024
Q4
$6.65M Sell
72,492
-1,164
-2% -$108K 1.43% 18
2024
Q3
$7.06M Buy
73,656
+461
+0.6% +$43.6K 1.62% 15
2024
Q2
$6.72M Buy
73,195
+2,149
+3% +$196K 1.73% 16
2024
Q1
$6.57M Sell
71,046
-229
-0.3% -$21.2K 1.79% 15
2023
Q4
$6.71M Buy
71,275
+56,472
+381% +$5.06M 2.02% 13
2023
Q3
$1.31M Sell
14,803
-359
-2% -$32.8K 0.44% 41
2023
Q2
$1.41M Buy
15,162
+2,117
+16% +$199K 0.47% 38
2023
Q1
$1.24M Buy
+13,045
New +$1.23M 0.44% 45

Other funds holding MBB

Optas LLC's MBB Position: Q2 2026 in Review

Optas LLC sold out of iShares MBS ETF (MBB) in Q2 2026, closing a stake of 10,786 shares — an estimated $1.02M sold.

Optas LLC first reported a position in MBB in Q1 2023 and held it in 13 quarters. The position peaked at $7.06M in Q3 2024. 298 funds tracked by Wall St. Rank hold MBB as of Q2 2026.

  • Optas LLC reported no remaining iShares MBS ETF position as of Q2 2026 after selling out during the quarter.
  • Optas LLC sold 10,786 iShares MBS ETF shares in Q2 2026, an estimated $1.02M.
  • Optas LLC first reported a position in iShares MBS ETF in Q1 2023 and held it in 13 quarters.
  • Optas LLC's iShares MBS ETF position peaked at $7.06M in Q3 2024.
  • 298 funds tracked by Wall St. Rank held iShares MBS ETF as of Q2 2026.

Based on Optas LLC's 13F filing for Q2 2026, filed 21 Jul 2026.