Magnite, Inc. MGNI

Set alert

29.04 USD +1.65 (+6.02%)

At closeNov 9, 2026, 6:31 PM EST

29.23 +0.19 +0.65%

After hours · Nov 9, 6:31 PM ET

27.65 Day range 29.25

10.82 52-week range 29.25

Held by insiders 1.20%

Held by institutions 100.46%

Float held by institutions 101.68%

Institutions 446

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	8.86%	12,713,156	369.19M	Jun 29, 2026
Vanguard Portfolio Management LLC	5.71%	8,197,286	238.05M	Jun 29, 2026
FMR, LLC	5.41%	7,759,426	225.33M	Jun 29, 2026
Vanguard Capital Management LLC	4.34%	6,225,195	180.78M	Jun 29, 2026
Wellington Management Group, LLP	4.21%	6,044,492	175.53M	Jun 29, 2026
Dimensional Fund Advisors LP	3.68%	5,287,230	153.54M	Sep 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.01%	4,326,601	125.64M	Jun 29, 2026
iShares Trust-iShares Russell 2000 ETF	2.61%	3,747,899	108.84M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	2.17%	3,116,881	90.51M	Jun 29, 2026
American Century Mutual Funds, Inc.-Small Cap Growth Fund	1.62%	2,324,003	67.49M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Value Index Fund	1.38%	1,976,558	57.40M	Jun 29, 2026
Fidelity Securities Fund-Fidelity Small Cap Growth Fund	1.23%	1,763,410	51.21M	Aug 30, 2026

MGNI insiders
Insider	Relation	Latest transaction	Date	Shares held
BARRETT MICHAEL G	Chief Executive Officer	Sale	Aug 5, 2026	403,074
BUCKLEY SEAN PATRICK	Officer	Sale	Aug 17, 2026	293,060
BUONASERA DAVID	Chief Technology Officer	Sale	Sep 13, 2026	245,155
CAINE PAUL J	Director	Sale	Oct 11, 2026	124,901
DAY DAVID L.	Chief Financial Officer	Stock Gift	Aug 12, 2026	467,031
EVANS KATHERYN SEITZ	Officer	Sale	Sep 10, 2026	441,800

Ownership