Cornerstone Wealth Management’s Magnite MGNI Stock Holding History

Cornerstone Wealth Management’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	$276K	Hold	10,920	–	–	0.01%	631
2026 Q2	$207K	Hold	10,920	–	–	0.01%	712
2026 Q1	$130K	Hold	10,920	–	–	0.01%	691
2025 Q4	$177K	Hold	10,920	–	–	0.01%	664
2025 Q3	$238K	Hold	10,920	–	–	0.01%	596
2025 Q2	$263K	Hold	10,920	–	–	0.02%	545
2025 Q1	$125K	Hold	10,920	–	–	0.01%	590
2024 Q4	$174K	Hold	10,920	–	–	0.01%	564
2024 Q3	$151K	Hold	10,920	–	–	0.01%	553
2024 Q2	$145K	Sell	10,920 -100	-0.9%	-$1.09K	0.01%	531
2024 Q1	$118K	Hold	11,020	–	–	0.01%	521
2023 Q4	$103K	Hold	11,020	–	–	0.01%	512
2023 Q3	$83.1K	Hold	11,020	–	–	0.01%	517
2023 Q2	$150K	Buy	+11,020	New	+$123K	0.01%	489

Other funds holding MGNI

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

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

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

Picton Mahoney Asset Management Toronto, Ontario, Canada $14.8B AUM 38.11% 1-Year Est. Return

Kopion Asset Management Mckinney, Texas $156M AUM 4.73% 1-Year Est. Return

Luther King Capital Management (LKCM) Fort Worth, Texas $24.3B AUM 19.37% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return

Cornerstone Wealth Management's MGNI Position: Q3 2026 in Review

Cornerstone Wealth Management held its Magnite (MGNI) position steady in Q3 2026 at 10,920 shares worth $276K. The position accounts for 0.01% of the portfolio, ranked #631.

Cornerstone Wealth Management first reported a position in MGNI in Q2 2023 and has held it in 14 quarters since. 144 funds tracked by Wall St. Rank hold MGNI as of Q3 2026.

Cornerstone Wealth Management held 10,920 shares of Magnite worth $276K as of Q3 2026.
Cornerstone Wealth Management left its Magnite share count unchanged in Q3 2026.
Magnite made up 0.01% of Cornerstone Wealth Management's portfolio in Q3 2026, its #631 holding.
Cornerstone Wealth Management first reported a position in Magnite in Q2 2023 and has held it in 14 quarters since.
144 funds tracked by Wall St. Rank held Magnite as of Q3 2026.

Based on Cornerstone Wealth Management's 13F filing for Q3 2026, filed 4 Nov 2026.