Pacer Advisors
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Pacer Advisors’s Magnite MGNI Stock Holding History

Pacer Advisors’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
Q1 		$5.96M Buy
+501,578
New +$6.72M 0.02% 571
2025
Q3 		– Sell
-791,819
Closed -$19.1M – 3941
2025
Q2 		$19.1M Sell
791,819
-310,337
-28% -$4.57M 0.05% 335
2025
Q1 		$12.6M Buy
+1,102,156
New +$17.6M 0.03% 422

Other funds holding MGNI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Pacer Advisors's MGNI Position: Q1 2026 in Review

Pacer Advisors opened a new position in Magnite (MGNI) in Q1 2026: 501,578 shares worth $5.96M. The stake represents 0.02% of the portfolio and ranks #571 among its holdings. This is a return to the name: Pacer Advisors previously reported a position in MGNI as recently as Q2 2025.

Pacer Advisors first reported a position in MGNI in Q1 2025 and has held it in 3 quarters since. The position peaked at $19.1M in Q2 2025. 297 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Pacer Advisors held 501,578 shares of Magnite worth $5.96M as of Q1 2026.
  • Magnite was a new Pacer Advisors position in Q1 2026.
  • Magnite made up 0.02% of Pacer Advisors's portfolio in Q1 2026, its #571 holding.
  • Pacer Advisors first reported a position in Magnite in Q1 2025 and has held it in 3 quarters since.
  • Pacer Advisors's Magnite position peaked at $19.1M in Q2 2025.
  • 297 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Pacer Advisors's 13F filing for Q1 2026, filed 6 May 2026.