Pinnacle Associates’s Magnite MGNI Stock Holding History

Pinnacle Associates’s Portfolio MGNI Stock Details MGNI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$1.74M	Buy	68,742 +825	+1%	+$18.5K	0.02%	438
2026 Q2	$1.29M	Buy	67,917 +2,161	+3%	+$31K	0.01%	485
2026 Q1	$781K	Buy	65,756 +14,038	+27%	+$188K	0.01%	566
2025 Q4	$839K	Buy	51,718 +5,893	+13%	+$97.8K	0.01%	552
2025 Q3	$998K	Sell	45,825 -21,195	-32%	-$500K	0.01%	512
2025 Q2	$1.62M	Buy	67,020 +6,725	+11%	+$99.1K	0.02%	413
2025 Q1	$688K	Sell	60,295 -271,666	-82%	-$4.33M	0.01%	551
2024 Q4	$5.28M	Buy	+331,961	New	+$4.87M	0.07%	233
2024 Q3	–	Sell	-58,095	Closed	-$772K	–	831
2024 Q2	$772K	Buy	58,095 +18,269	+46%	+$200K	0.01%	508
2024 Q1	$428K	Buy	+39,826	New	+$398K	0.01%	620
2021 Q3	–	Sell	-8,250	Closed	-$279K	–	776
2021 Q2	$279K	Hold	8,250	–	–	0.01%	660
2021 Q1	$343K	Buy	+8,250	New	+$357K	0.01%	590

Other funds holding MGNI

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return

Blue Grotto Capital Atlanta, Georgia $1.46B AUM 33.83% 1-Year Est. Return

Royce & Associates New York $11B AUM 39.4% 1-Year Est. Return

Maestria Partners Atlanta, Georgia $298M AUM 13.91% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $179B AUM 29.92% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

First Eagle Investment Management New York $63.7B AUM 20.33% 1-Year Est. Return

Pinnacle Associates's MGNI Position: Q3 2026 in Review

Pinnacle Associates increased its Magnite (MGNI) stake by 1.2% in Q3 2026, buying an estimated $18.5K and bringing the position to 68,742 shares worth $1.74M. The position accounts for 0.02% of the portfolio, ranked #438.

Pinnacle Associates first reported a position in MGNI in Q1 2021 and has held it in 12 quarters since. The position peaked at $5.28M in Q4 2024. 166 funds tracked by Wall St. Rank hold MGNI as of Q3 2026.

Pinnacle Associates held 68,742 shares of Magnite worth $1.74M as of Q3 2026.
Pinnacle Associates bought 825 Magnite shares in Q3 2026, an estimated $18.5K.
Magnite made up 0.02% of Pinnacle Associates's portfolio in Q3 2026, its #438 holding.
Pinnacle Associates first reported a position in Magnite in Q1 2021 and has held it in 12 quarters since.
Pinnacle Associates's Magnite position peaked at $5.28M in Q4 2024.
166 funds tracked by Wall St. Rank held Magnite as of Q3 2026.

Based on Pinnacle Associates's 13F filing for Q3 2026, filed 20 Oct 2026.