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Argentarii’s iShares MBS ETF MBB Stock Holding History

Argentarii’s Portfolio MBB Stock Details MBB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$249K Buy
2,623
+335
+15% +$32K 0.09% 176
2025
Q4 		$218K Sell
2,288
-682
-23% -$65.1K 0.07% 188
2025
Q3 		$283K Buy
2,970
+264
+10% +$24.8K 0.11% 125
2025
Q2 		$254K Buy
+2,706
New +$251K 0.12% 131

Other funds holding MBB

Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
TWIM
TIAA Wealth Investment Management New York $13.1B AUM
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
TCIIS
TIAA-CREF Individual & Institutional Services New York $26B AUM
Truist Financial
Truist Financial Charlotte, North Carolina $74.2B AUM 21.09% 1-Year Est. Return

Argentarii's MBB Position: Q1 2026 in Review

Argentarii increased its iShares MBS ETF (MBB) stake by 15% in Q1 2026, buying an estimated $32K and bringing the position to 2,623 shares worth $249K. The position accounts for 0.09% of the portfolio, ranked #176.

Argentarii first reported a position in MBB in Q2 2025 and has held it in 4 quarters since. The position peaked at $283K in Q3 2025. 1,020 funds tracked by Wall St. Rank hold MBB as of Q1 2026.

  • Argentarii held 2,623 shares of iShares MBS ETF worth $249K as of Q1 2026.
  • Argentarii bought 335 iShares MBS ETF shares in Q1 2026, an estimated $32K.
  • iShares MBS ETF made up 0.09% of Argentarii's portfolio in Q1 2026, its #176 holding.
  • Argentarii first reported a position in iShares MBS ETF in Q2 2025 and has held it in 4 quarters since.
  • Argentarii's iShares MBS ETF position peaked at $283K in Q3 2025.
  • 1,020 funds tracked by Wall St. Rank held iShares MBS ETF as of Q1 2026.

Based on Argentarii's 13F filing for Q1 2026, filed 12 May 2026.