M37 Management’s Rambus RMBS Stock Holding History

M37 Management’s Portfolio RMBS Stock Details RMBS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-50,000	Closed	-$4.59M	–	15
2025 Q4	$4.59M	Buy	+50,000	New	+$4.92M	3.16%	11

Other funds holding RMBS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return

M37 Management's RMBS Position: Q1 2026 in Review

M37 Management sold out of Rambus (RMBS) in Q1 2026, closing a stake of 50,000 shares — an estimated $4.59M sold.

M37 Management first reported a position in RMBS in Q4 2025 and held it in 1 quarter. The position peaked at $4.59M in Q4 2025. 557 funds tracked by Wall St. Rank hold RMBS as of Q1 2026.

M37 Management reported no remaining Rambus position as of Q1 2026 after selling out during the quarter.
M37 Management sold 50,000 Rambus shares in Q1 2026, an estimated $4.59M.
M37 Management first reported a position in Rambus in Q4 2025 and held it in 1 quarter.
M37 Management's Rambus position peaked at $4.59M in Q4 2025.
557 funds tracked by Wall St. Rank held Rambus as of Q1 2026.

Based on M37 Management's 13F filing for Q1 2026, filed 15 May 2026.