Jeff Yass’s Monarch Ambassador Income Index ETF MAMB Stock Holding History

Jeff Yass’s Portfolio MAMB Stock Details MAMB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$259K	Buy	+10,767	New	+$261K	﹤0.01%	11374
2024 Q4	–	Sell	-10,315	Closed	-$240K	–	12799
2024 Q3	$240K	Sell	10,315 -2,249	-18%	-$51.4K	﹤0.01%	10102
2024 Q2	$277K	Buy	12,564 +3,134	+33%	+$68.8K	﹤0.01%	9636
2024 Q1	$209K	Buy	+9,430	New	+$208K	﹤0.01%	10512
2023 Q3	–	Sell	-13,188	Closed	-$290K	–	12550
2023 Q2	$290K	Buy	13,188 +57	+0.4%	+$1.27K	﹤0.01%	9510
2023 Q1	$293K	Buy	+13,131	New	+$291K	﹤0.01%	9777

Other funds holding MAMB

KWM

Kingsview Wealth Management Grants Pass, Oregon $8.25B AUM 24.8% 1-Year Est. Return

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

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

TGAM

TBH Global Asset Management Brentwood, Tennessee $546M AUM 26.68% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Jeff Yass's MAMB Position: Q2 2026 in Review

Jeff Yass opened a new position in Monarch Ambassador Income Index ETF (MAMB) in Q2 2026: 10,767 shares worth $259K. The stake represents ﹤0.01% of the portfolio and ranks #11374 among its holdings. This is a return to the name: Jeff Yass previously reported a position in MAMB as recently as Q3 2024.

Jeff Yass first reported a position in MAMB in Q1 2023 and has held it in 6 quarters since. The position peaked at $293K in Q1 2023. 9 funds tracked by Wall St. Rank hold MAMB as of Q2 2026.

Jeff Yass held 10,767 shares of Monarch Ambassador Income Index ETF worth $259K as of Q2 2026.
Monarch Ambassador Income Index ETF was a new Jeff Yass position in Q2 2026.
Monarch Ambassador Income Index ETF made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #11374 holding.
Jeff Yass first reported a position in Monarch Ambassador Income Index ETF in Q1 2023 and has held it in 6 quarters since.
Jeff Yass's Monarch Ambassador Income Index ETF position peaked at $293K in Q1 2023.
9 funds tracked by Wall St. Rank held Monarch Ambassador Income Index ETF as of Q2 2026.

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