Jane Street’s Monarch ProCap Index ETF MPRO Stock Holding History

Jane Street’s Portfolio MPRO Stock Details MPRO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-32,689	Closed	-$1M	–	12474
2025 Q4	$1M	Buy	+32,689	New	+$1M	﹤0.01%	6112

Other funds holding MPRO

KWM

Kingsview Wealth Management Grants Pass, Oregon $7.33B AUM 16.07% 1-Year Est. Return

4Wealth Advisors Burr Ridge, Illinois $130M AUM 17.65% 1-Year Est. Return

LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return

Millington Securities Red Bank, New Jersey $362M AUM

WBI Investments Red Bank, New Jersey $362M AUM 23.75% 1-Year Est. Return

RFG Advisory Birmingham, Alabama $6.4B AUM 19.93% 1-Year Est. Return

MWM

Maridea Wealth Management Brooklyn, New York $688M AUM 33.78% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

AWM

AE Wealth Management Topeka, Kansas $18.5B AUM 19.51% 1-Year Est. Return

Jane Street's MPRO Position: Q1 2026 in Review

Jane Street sold out of Monarch ProCap Index ETF (MPRO) in Q1 2026, closing a stake of 32,689 shares — an estimated $1M sold.

Jane Street first reported a position in MPRO in Q4 2025 and held it in 1 quarter. The position peaked at $1M in Q4 2025. 10 funds tracked by Wall St. Rank hold MPRO as of Q1 2026.

Jane Street reported no remaining Monarch ProCap Index ETF position as of Q1 2026 after selling out during the quarter.
Jane Street sold 32,689 Monarch ProCap Index ETF shares in Q1 2026, an estimated $1M.
Jane Street first reported a position in Monarch ProCap Index ETF in Q4 2025 and held it in 1 quarter.
Jane Street's Monarch ProCap Index ETF position peaked at $1M in Q4 2025.
10 funds tracked by Wall St. Rank held Monarch ProCap Index ETF as of Q1 2026.

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