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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
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

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

Pinnacle Associates's MGNI Position: Q1 2026 in Review

Pinnacle Associates increased its Magnite (MGNI) stake by 27% in Q1 2026, buying an estimated $188K and bringing the position to 65,756 shares worth $781K. The position accounts for 0.01% of the portfolio, ranked #566.

Pinnacle Associates first reported a position in MGNI in Q1 2021 and has held it in 10 quarters since. The position peaked at $5.28M in Q4 2024. 296 funds tracked by Wall St. Rank hold MGNI as of Q1 2026.

  • Pinnacle Associates held 65,756 shares of Magnite worth $781K as of Q1 2026.
  • Pinnacle Associates bought 14,038 Magnite shares in Q1 2026, an estimated $188K.
  • Magnite made up 0.01% of Pinnacle Associates's portfolio in Q1 2026, its #566 holding.
  • Pinnacle Associates first reported a position in Magnite in Q1 2021 and has held it in 10 quarters since.
  • Pinnacle Associates's Magnite position peaked at $5.28M in Q4 2024.
  • 296 funds tracked by Wall St. Rank held Magnite as of Q1 2026.

Based on Pinnacle Associates's 13F filing for Q1 2026, filed 22 Apr 2026.