Mariner
SMBS

Mariner’s Schwab Mortgage-Backed Securities ETF SMBS Stock Holding History

Mariner’s Portfolio SMBS Stock Details SMBS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-29,388
Closed -$755K – 3887
2025
Q4 		$755K Buy
29,388
+12,065
+70% +$311K ﹤0.01% 2153
2025
Q3 		$445K Buy
+17,323
New +$440K ﹤0.01% 2525

Other funds holding SMBS

Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
CI
CacheTech Inc Logan, Utah $519M AUM 22.06% 1-Year Est. Return
AWM
Adams Wealth Management Logan, Utah $455M AUM 22.33% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
SWM
Schwallier Wealth Management Grand Rapids, Michigan $137M AUM 10.61% 1-Year Est. Return
SF
Summit Financial Parsippany, New Jersey $7.85B AUM 20.99% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Mariner's SMBS Position: Q1 2026 in Review

Mariner sold out of Schwab Mortgage-Backed Securities ETF (SMBS) in Q1 2026, closing a stake of 29,388 shares — an estimated $755K sold.

Mariner first reported a position in SMBS in Q3 2025 and held it in 2 quarters. The position peaked at $755K in Q4 2025. 77 funds tracked by Wall St. Rank hold SMBS as of Q1 2026.

  • Mariner reported no remaining Schwab Mortgage-Backed Securities ETF position as of Q1 2026 after selling out during the quarter.
  • Mariner sold 29,388 Schwab Mortgage-Backed Securities ETF shares in Q1 2026, an estimated $755K.
  • Mariner first reported a position in Schwab Mortgage-Backed Securities ETF in Q3 2025 and held it in 2 quarters.
  • Mariner's Schwab Mortgage-Backed Securities ETF position peaked at $755K in Q4 2025.
  • 77 funds tracked by Wall St. Rank held Schwab Mortgage-Backed Securities ETF as of Q1 2026.

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