Mariner’s Research Frontiers REFR Stock Holding History

Mariner’s Portfolio REFR Stock Details REFR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-15,000	Closed	-$24.6K	–	3729
2025 Q2	$24.6K	Buy	+15,000	New	+$22K	﹤0.01%	3405

Other funds holding REFR

MOS

MGO One Seven Beachwood, Ohio $4.98B AUM 22.72% 1-Year Est. Return

Focus Partners Wealth Boston, Massachusetts $89.9B AUM 20.5% 1-Year Est. Return

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

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

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

KWM

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

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

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

SRC

Shufro Rose & Co New York $1.47B AUM 19.38% 1-Year Est. Return

Mariner's REFR Position: Q3 2025 in Review

Mariner sold out of Research Frontiers (REFR) in Q3 2025, closing a stake of 15,000 shares — an estimated $24.6K sold.

Mariner first reported a position in REFR in Q2 2025 and held it in 1 quarter. The position peaked at $24.6K in Q2 2025. 30 funds tracked by Wall St. Rank hold REFR as of Q3 2025.

Mariner reported no remaining Research Frontiers position as of Q3 2025 after selling out during the quarter.
Mariner sold 15,000 Research Frontiers shares in Q3 2025, an estimated $24.6K.
Mariner first reported a position in Research Frontiers in Q2 2025 and held it in 1 quarter.
Mariner's Research Frontiers position peaked at $24.6K in Q2 2025.
30 funds tracked by Wall St. Rank held Research Frontiers as of Q3 2025.

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