Parnassus Investments’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
2025
Q1
Sell
-155,000
Closed -$14.2M 141
2024
Q4
$14.2M Sell
155,000
-77,752
-33% -$7.24M 0.03% 113
2024
Q3
$22.3M Hold
232,752
0.05% 104
2024
Q2
$21.4M Hold
232,752
0.05% 106
2024
Q1
$21.5M Hold
232,752
0.05% 111
2023
Q4
$21.9M Buy
232,752
+82,941
+55% +$7.44M 0.05% 103
2023
Q3
$13.3M Buy
149,811
+135,403
+940% +$12.4M 0.03% 115
2023
Q2
$1.34M Buy
+14,408
New +$1.36M ﹤0.01% 114

Other funds holding MBB

Parnassus Investments's MBB Position: Q1 2025 in Review

Parnassus Investments sold out of iShares MBS ETF (MBB) in Q1 2025, closing a stake of 155,000 shares — an estimated $14.2M sold.

Parnassus Investments first reported a position in MBB in Q2 2023 and held it in 7 quarters. The position peaked at $22.3M in Q3 2024. 936 funds tracked by Wall St. Rank hold MBB as of Q1 2025.

  • Parnassus Investments reported no remaining iShares MBS ETF position as of Q1 2025 after selling out during the quarter.
  • Parnassus Investments sold 155,000 iShares MBS ETF shares in Q1 2025, an estimated $14.2M.
  • Parnassus Investments first reported a position in iShares MBS ETF in Q2 2023 and held it in 7 quarters.
  • Parnassus Investments's iShares MBS ETF position peaked at $22.3M in Q3 2024.
  • 936 funds tracked by Wall St. Rank held iShares MBS ETF as of Q1 2025.

Based on Parnassus Investments's 13F filing for Q1 2025, filed 15 May 2025.