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
Q2 		$368K Buy
+14,481
New +$368K ﹤0.01% 2678
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 $751B AUM 38.74% 1-Year Est. Return
CI
CacheTech Inc Logan, Utah $618M AUM 37.94% 1-Year Est. Return
AWM
Adams Wealth Management Logan, Utah $522M AUM 38.58% 1-Year Est. Return
SWM
Schwallier Wealth Management Grand Rapids, Michigan $158M AUM 16.81% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
SF
Summit Financial Parsippany, New Jersey $9.12B AUM 27.44% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Mariner's SMBS Position: Q2 2026 in Review

Mariner opened a new position in Schwab Mortgage-Backed Securities ETF (SMBS) in Q2 2026: 14,481 shares worth $368K. The stake represents ﹤0.01% of the portfolio and ranks #2678 among its holdings. This is a return to the name: Mariner previously reported a position in SMBS as recently as Q4 2025.

Mariner first reported a position in SMBS in Q3 2025 and has held it in 3 quarters since. The position peaked at $755K in Q4 2025. 81 funds tracked by Wall St. Rank hold SMBS as of Q2 2026.

  • Mariner held 14,481 shares of Schwab Mortgage-Backed Securities ETF worth $368K as of Q2 2026.
  • Schwab Mortgage-Backed Securities ETF was a new Mariner position in Q2 2026.
  • Schwab Mortgage-Backed Securities ETF made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2678 holding.
  • Mariner first reported a position in Schwab Mortgage-Backed Securities ETF in Q3 2025 and has held it in 3 quarters since.
  • Mariner's Schwab Mortgage-Backed Securities ETF position peaked at $755K in Q4 2025.
  • 81 funds tracked by Wall St. Rank held Schwab Mortgage-Backed Securities ETF as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.