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Prudent Man Advisors’s Magnite MGNI Stock Holding History

Prudent Man 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
2025
Q3 		– Sell
-11,360
Closed -$274K – 163
2025
Q2 		$274K Buy
+11,360
New +$167K 0.09% 143
2024
Q4 		– Sell
-10,186
Closed -$141K – 182
2024
Q3 		$141K Sell
10,186
-317
-3% -$4.32K 0.05% 178
2024
Q2 		$140K Buy
10,503
+381
+4% +$4.17K 0.05% 169
2024
Q1 		$109K Sell
10,122
-620
-6% -$6.2K 0.04% 176
2023
Q4 		$100K Sell
10,742
-1,251
-10% -$9.88K 0.04% 186
2023
Q3 		$90.4K Sell
11,993
-2,929
-20% -$31.6K 0.04% 187
2023
Q2 		$204K Hold
14,922
– – 0.08% 190
2023
Q1 		$138K Buy
+14,922
New +$159K 0.05% 197

Other funds holding MGNI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
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
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Prudent Man Advisors's MGNI Position: Q3 2025 in Review

Prudent Man Advisors sold out of Magnite (MGNI) in Q3 2025, closing a stake of 11,360 shares — an estimated $274K sold.

Prudent Man Advisors first reported a position in MGNI in Q1 2023 and held it in 8 quarters. The position peaked at $274K in Q2 2025. 316 funds tracked by Wall St. Rank hold MGNI as of Q3 2025.

  • Prudent Man Advisors reported no remaining Magnite position as of Q3 2025 after selling out during the quarter.
  • Prudent Man Advisors sold 11,360 Magnite shares in Q3 2025, an estimated $274K.
  • Prudent Man Advisors first reported a position in Magnite in Q1 2023 and held it in 8 quarters.
  • Prudent Man Advisors's Magnite position peaked at $274K in Q2 2025.
  • 316 funds tracked by Wall St. Rank held Magnite as of Q3 2025.

Based on Prudent Man Advisors's 13F filing for Q3 2025, filed 13 Nov 2025.