Jeff Yass’s Regan Fixed Rate MBS ETF MBSX Stock Holding History

Jeff Yass’s Portfolio MBSX Stock Details MBSX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$941K	Buy	+34,456	New	+$922K	﹤0.01%	8358
2026 Q1	–	Sell	-11,008	Closed	-$291K	–	14470
2025 Q4	$291K	Sell	11,008 -1,243	-10%	-$33.2K	﹤0.01%	10017
2025 Q3	$337K	Sell	12,251 -1,635	-12%	-$42.8K	﹤0.01%	9846
2025 Q2	$356K	Buy	+13,886	New	+$352K	﹤0.01%	9960

Other funds holding MBSX

Castleview Partners Dallas, Texas $228M AUM 19.85% 1-Year Est. Return

Auour Investments Woburn, Massachusetts $349M AUM 13.68% 1-Year Est. Return

CFA

Camarda Financial Advisors Fleming Island, Florida $331M AUM 81.85% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

Diesslin Group Fort Worth, Texas $259M AUM

Jeff Yass's MBSX Position: Q2 2026 in Review

Jeff Yass opened a new position in Regan Fixed Rate MBS ETF (MBSX) in Q2 2026: 34,456 shares worth $941K. The stake represents ﹤0.01% of the portfolio and ranks #8358 among its holdings. This is a return to the name: Jeff Yass previously reported a position in MBSX as recently as Q4 2025.

Jeff Yass first reported a position in MBSX in Q2 2025 and has held it in 4 quarters since. 6 funds tracked by Wall St. Rank hold MBSX as of Q2 2026.

Jeff Yass held 34,456 shares of Regan Fixed Rate MBS ETF worth $941K as of Q2 2026.
Regan Fixed Rate MBS ETF was a new Jeff Yass position in Q2 2026.
Regan Fixed Rate MBS ETF made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #8358 holding.
Jeff Yass first reported a position in Regan Fixed Rate MBS ETF in Q2 2025 and has held it in 4 quarters since.
6 funds tracked by Wall St. Rank held Regan Fixed Rate MBS ETF as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.