Mariner’s Semrush SEMR Stock Holding History

Mariner’s Portfolio SEMR Stock Details SEMR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-16,914	Closed	-$153K	–	3738
2025 Q2	$153K	Buy	+16,914	New	+$164K	﹤0.01%	3135
2024 Q4	–	Sell	-12,375	Closed	-$194K	–	3494
2024 Q3	$194K	Buy	+12,375	New	+$173K	﹤0.01%	2944

Other funds holding SEMR

Greycroft New York $146M AUM 1.94% 1-Year Est. Return

RCP

RPM Capital Partners New York $3.34M AUM 43.17% 1-Year Est. Return

SGA

Siguler Guff Advisers New York $56.1M AUM 46.63% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

CRCM

Cat Rock Capital Management Greenwich, Connecticut $644M AUM 1.97% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Mariner's SEMR Position: Q3 2025 in Review

Mariner sold out of Semrush (SEMR) in Q3 2025, closing a stake of 16,914 shares — an estimated $153K sold.

Mariner first reported a position in SEMR in Q3 2024 and held it in 2 quarters. The position peaked at $194K in Q3 2024. 169 funds tracked by Wall St. Rank hold SEMR as of Q3 2025.

Mariner reported no remaining Semrush position as of Q3 2025 after selling out during the quarter.
Mariner sold 16,914 Semrush shares in Q3 2025, an estimated $153K.
Mariner first reported a position in Semrush in Q3 2024 and held it in 2 quarters.
Mariner's Semrush position peaked at $194K in Q3 2024.
169 funds tracked by Wall St. Rank held Semrush as of Q3 2025.

Based on Mariner's 13F filing for Q3 2025, filed 14 Nov 2025.