Theory Financial’s iShares MBS ETF MBB Stock Holding History
Bought
Maintained
Sold
Other funds holding MBB
TWIM
TCIIS
Theory Financial's MBB Position: Q1 2026 in Review
Theory Financial increased its iShares MBS ETF (MBB) stake by 1.2% in Q1 2026, buying an estimated $131K and bringing the position to 111,949 shares worth $10.6M. The position accounts for 3.73% of the portfolio, ranked #3.
Theory Financial first reported a position in MBB in Q2 2023 and has held it in 12 quarters since. The position peaked at $11.4M in Q3 2025. 1,020 funds tracked by Wall St. Rank hold MBB as of Q1 2026.
- Theory Financial held 111,949 shares of iShares MBS ETF worth $10.6M as of Q1 2026.
- Theory Financial bought 1,375 iShares MBS ETF shares in Q1 2026, an estimated $131K.
- iShares MBS ETF made up 3.73% of Theory Financial's portfolio in Q1 2026, its #3 holding.
- Theory Financial first reported a position in iShares MBS ETF in Q2 2023 and has held it in 12 quarters since.
- Theory Financial's iShares MBS ETF position peaked at $11.4M in Q3 2025.
- 1,020 funds tracked by Wall St. Rank held iShares MBS ETF as of Q1 2026.
Based on Theory Financial's 13F filing for Q1 2026, filed 5 May 2026.