Millennium 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
2022
Q4
Sell
-200,000
Closed -$18.3M 6837
2022
Q3
$18.3M Buy
+200,000
New +$19.4M 0.01% 1441

Other funds holding MBB

Millennium Management's MBB Position: Q1 2026 in Review

Millennium Management sold out of iShares MBS ETF (MBB) in Q1 2026, closing a stake of 8,315 shares — an estimated $792K sold.

Millennium Management first reported a position in MBB in Q3 2014 and held it in 33 quarters. The position peaked at $35.4M in Q2 2020. 1,019 funds tracked by Wall St. Rank hold MBB as of Q1 2026.

  • Millennium Management reported no remaining iShares MBS ETF position as of Q1 2026 after selling out during the quarter.
  • Millennium Management sold 8,315 iShares MBS ETF shares in Q1 2026, an estimated $792K.
  • Millennium Management first reported a position in iShares MBS ETF in Q3 2014 and held it in 33 quarters.
  • Millennium Management's iShares MBS ETF position peaked at $35.4M in Q2 2020.
  • 1,019 funds tracked by Wall St. Rank held iShares MBS ETF as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.