Magnite, Inc. MGNI

Set alert

27.39 USD -0.13 (-0.47%)

At closeNov 6, 2026, 4:00 PM EST

27.90 +0.51 +1.86%

After hours · Nov 6, 4:00 PM ET

26.67 Day range 27.97

10.82 52-week range 28.17

Held by insiders 1.20%

Held by institutions 100.39%

Float held by institutions 101.61%

Institutions 446

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	8.86%	12,713,156	348.21M	Jun 29, 2026
Vanguard Portfolio Management LLC	5.72%	8,197,286	224.52M	Jun 29, 2026
FMR, LLC	5.41%	7,759,426	212.53M	Jun 29, 2026
Vanguard Capital Management LLC	4.34%	6,225,195	170.51M	Jun 29, 2026
Wellington Management Group, LLP	4.21%	6,044,492	165.56M	Jun 29, 2026
Dimensional Fund Advisors LP	3.69%	5,287,230	144.82M	Sep 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.02%	4,326,601	118.51M	Jun 29, 2026
iShares Trust-iShares Russell 2000 ETF	2.61%	3,747,899	102.65M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	2.17%	3,116,881	85.37M	Jun 29, 2026
American Century Mutual Funds, Inc.-Small Cap Growth Fund	1.62%	2,324,003	63.65M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Value Index Fund	1.38%	1,976,558	54.14M	Jun 29, 2026
Fidelity Securities Fund-Fidelity Small Cap Growth Fund	1.23%	1,763,410	48.30M	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