IAM
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Iridian Asset Management’s Magnite MGNI Stock Holding History

Iridian Asset 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
2024
Q4 		– Sell
-18,390
Closed -$255K – 51
2024
Q3 		$255K Hold
18,390
– – 0.05% 49
2024
Q2 		$244K Hold
18,390
– – 0.06% 49
2024
Q1 		$198K Buy
+18,390
New +$184K 0.04% 52

Other funds holding MGNI

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
NTCM
Nine Ten Capital Management Chicago, Illinois $315M AUM 62.95% 1-Year Est. Return

Iridian Asset Management's MGNI Position: Q4 2024 in Review

Iridian Asset Management sold out of Magnite (MGNI) in Q4 2024, closing a stake of 18,390 shares — an estimated $255K sold.

Iridian Asset Management first reported a position in MGNI in Q1 2024 and held it in 3 quarters. The position peaked at $255K in Q3 2024. 285 funds tracked by Wall St. Rank hold MGNI as of Q4 2024.

  • Iridian Asset Management reported no remaining Magnite position as of Q4 2024 after selling out during the quarter.
  • Iridian Asset Management sold 18,390 Magnite shares in Q4 2024, an estimated $255K.
  • Iridian Asset Management first reported a position in Magnite in Q1 2024 and held it in 3 quarters.
  • Iridian Asset Management's Magnite position peaked at $255K in Q3 2024.
  • 285 funds tracked by Wall St. Rank held Magnite as of Q4 2024.

Based on Iridian Asset Management's 13F filing for Q4 2024, filed 28 Jan 2025.