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

Jane Street’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	$1.73M	Buy	67,653 +18,911	+39%	+$487K	﹤0.01%	5372
2025 Q4	$1.25M	Buy	48,742 +32,652	+203%	+$841K	﹤0.01%	5692
2025 Q3	$414K	Sell	16,090 -57,478	-78%	-$1.46M	﹤0.01%	8252
2025 Q2	$1.87M	Buy	73,568 +57,186	+349%	+$1.44M	﹤0.01%	4533
2025 Q1	$417K	Sell	16,382 -316,172	-95%	-$7.94M	﹤0.01%	7204
2024 Q4	$8.29M	Buy	+332,554	New	+$8.38M	﹤0.01%	2068

Other funds holding SMBS

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

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 New York $871B AUM 31.28% 1-Year Est. Return

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

Summit Financial Parsippany, New Jersey $7.85B AUM 20.99% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Mercer Global Advisors Denver, Colorado $67.6B AUM 18.3% 1-Year Est. Return

Jane Street's SMBS Position: Q1 2026 in Review

Jane Street increased its Schwab Mortgage-Backed Securities ETF (SMBS) stake by 39% in Q1 2026, buying an estimated $487K and bringing the position to 67,653 shares worth $1.73M. The position accounts for ﹤0.01% of the portfolio, ranked #5372.

Jane Street first reported a position in SMBS in Q4 2024 and has held it in 6 quarters since. The position peaked at $8.29M in Q4 2024. 77 funds tracked by Wall St. Rank hold SMBS as of Q1 2026.

Jane Street held 67,653 shares of Schwab Mortgage-Backed Securities ETF worth $1.73M as of Q1 2026.
Jane Street bought 18,911 Schwab Mortgage-Backed Securities ETF shares in Q1 2026, an estimated $487K.
Schwab Mortgage-Backed Securities ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5372 holding.
Jane Street first reported a position in Schwab Mortgage-Backed Securities ETF in Q4 2024 and has held it in 6 quarters since.
Jane Street's Schwab Mortgage-Backed Securities ETF position peaked at $8.29M in Q4 2024.
77 funds tracked by Wall St. Rank held Schwab Mortgage-Backed Securities ETF as of Q1 2026.

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