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Magnite
MGNI

Overview Fund Activity

290 hedge funds and large institutions have $1.51B invested in Magnite in 2025 Q1 according to their latest regulatory filings, with 53 funds opening new positions, 102 increasing their positions, 96 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
290
Holders Change
+7
Holders Change %
+2.47%
% of All Funds
3.94%
Holding in Top 10
7
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-30%
% of All Funds
0.1%
New
53
Increased
102
Reduced
96
Closed
42
Calls
$41.6M
Puts
$50.1M
Net Calls
-$8.44M
Net Calls Change
-$4.39M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$110M
2
Capital Research Global Investors
Capital Research Global Investors
California
$147M
3
American Century Companies
American Century Companies
Missouri
$33.8M
4
Pacer Advisors
Pacer Advisors
Pennsylvania
$12.6M
5
EC
Edenbrook Capital
New York
$45.8M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$67.4M
2
Victory Capital Management
Victory Capital Management
Texas
$1.38M
3
GIM
Granahan Investment Management
Massachusetts
$30.2M
4
DCM
Driehaus Capital Management
Illinois
$27.5M
5
WJWM
Williams Jones Wealth Management
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
MA
226
MCF Advisors
Kentucky
$25.1K +$24K +2,100 +2,100%
QL
227
Quarry LP
New York
$21.4K +$21.4K +1,872 New
Nisa Investment Advisors
228
Nisa Investment Advisors
Missouri
$19.1K -$2.23K -195 -10%
S
229
SignatureFD
Georgia
$19K -$3.71K -325 -16%
PNC Financial Services Group
230
PNC Financial Services Group
Pennsylvania
$18.6K +$34 +3 +0.2%
MCM
231
MAI Capital Management
Ohio
$18.2K – – –
HWM
232
HighMark Wealth Management
Minnesota
$17.1K – – –
VCM
233
Versant Capital Management
Arizona
$16.5K +$14K +1,225 +554%
SS
234
SBI Securities
Japan
$16K -$1.61K -141 -9%
BCV
235
Banque Cantonale Vaudoise
Switzerland
$16K +$16K +1,369 New
NS
236
NBC Securities
Alabama
$16K +$16K +1,427 +142,700%
SSG
237
Summit Securities Group
New York
$15.6K +$15.6K +1,364 New
US Bancorp
238
US Bancorp
Minnesota
$13.3K +$9.3K +815 +232%
CIAM
239
Caitong International Asset Management
Hong Kong
$11.7K +$11.7K +1,028 New
UB
240
UMB Bank
Missouri
$10.5K -$8.34K -731 -44%
YDMI
241
Y.D. More Investments
Israel
$9.13K – – –
CCM
242
Coldstream Capital Management
Washington
$9.05K +$9.05K +793 New
Carson Wealth (CWM LLC)
243
Carson Wealth (CWM LLC)
Nebraska
$9K +$3.71K +313 +70%
EPIMS
244
Evelyn Partners Investment Management Services
$8.03K +$8.03K +541 New
BTI
245
Blue Trust Inc
Georgia
$6.95K – – –
HCA
246
Heck Capital Advisors
Wisconsin
$6.76K – – –
Optiver Holding
247
Optiver Holding
Netherlands
$6.76K – – –
FFO
248
Fortitude Family Office
Arizona
$6.46K – – –
SW
249
SVB Wealth
Massachusetts
$5.8K +$5.8K +508 New
PA
250
Parallel Advisors
California
$5.32K +$1.65K +144 +45%
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