MAGNITE INC (MGNI) is held by 141 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q2 2026.

Are institutions buying or selling MGNI?

In Q2 2026, 90 institutions opened or increased positions in MAGNITE INC while 62 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on MGNI?

HoldingsIntel scores MAGNITE INC across four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) — with 3 of the 4 carrying data for MGNI. In Q2 2026, the institutional leg showed net inflows: 90 buying versus 62 selling.

How many hedge funds hold MGNI?

141 institutional investors report holding MAGNITE INC (MGNI) as of Q2 2026, based on SEC 13F filings.

Is institutional money flowing into MGNI?

As of Q2 2026, tracked institutions in MAGNITE INC show 90 buyers versus 62 sellers — net inflows.

MAGNITE INC

MGNI·55955D100·US·Common Stock·Communication Services - Advertising Agencies-13D/G

141

Holders

(10 Elite)

$2.1B

Total Value

59% (152)

Consensus

90 buying - 62 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 141 funds

10 elite

Who's Trading

Source dates: Price Oct 12, 2026 · Insiders Oct 2, 2026 · Activists Aug 13, 2026 · Congress none

InsiderGBGephart BrianVest 65K shOct 1, 2026

InsiderSHSullivan HaasVest 25K shOct 1, 2026

InsiderKSKnopper Douglas SSell $981KSep 17, 2026

Checking access…

View all insider trades View all activist filings

Checking access…

	Action
BlackRock, Inc.	Increased	12.7M(+9.1%)	$241.3M	0.0%	+46.88%	34
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	8.2M(+6.1%)	$155.6M	0.0%	+104.10%	32
FMR LLC	Increased	7.8M(+72.2%)	$147.3M	0.0%	+36.96%	45
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	6.2M(+0.6%)	$118.2M	0.0%	+110.41%	30
WELLINGTON MANAGEMENT GROUP LLP	Decreased	6M(-34.2%)	$114.7M	0.0%	+86.42%	0
DIMENSIONAL FUND ADVISORS LP	Increased	5.3M(+32.0%)	$99.8M	0.0%	+106.61%	38
Boston Partners	Increased	5M(+6.2%)	$95.9M	0.1%	+74.07%	32
AMERICAN CENTURY COMPANIES INC	Decreased	4.6M(-0.1%)	$87.7M	0.0%	+53.75%	0
Capital Research Global Investors	Decreased	3.9M(-22.9%)	$73.4M	0.0%	+66.29%	0
Nuveen, LLC	Increased	3.8M(+5.7%)	$72M	0.0%	+102.53%	31
GEODE CAPITAL MANAGEMENT, LLC	Increased	3.8M(+6.7%)	$71.9M	0.0%	+69.53%	32
STATE STREET CORP	Increased	3.5M(+11.5%)	$67M	0.0%	+111.45%	33
CANADA PENSION PLAN INVESTMENT BOARD	Increased	3M(+6403.7%)	$56.8M	0.0%	+32.68%	47
JANE STREET GROUP, LLC	Increased	2.2M(+31.8%)	$41.7M	0.0%	+68.57%	37
MORGAN STANLEY	Increased	2M(+114.9%)	$37.8M	0.0%	+32.63%	47
Qube Research & Technologies Ltd	Increased	2M(+195.9%)	$37.1M	0.0%	+42.44%	47
NORTHERN TRUST CORP	Increased	1.6M(+17.4%)	$29.5M	0.0%	+117.22%	34
ROYCE & ASSOCIATES LP	Increased	1.5M(+7.9%)	$28M	0.2%	+110.44%	37
GOLDMAN SACHS GROUP INC	Decreased	1.5M(-2.3%)	$27.8M	0.0%	+36.36%	0
VICTORY CAPITAL MANAGEMENT INC	Decreased	1.2M(-2.5%)	$23.4M	0.0%	+105.10%	0

Showing 1-20 of 159

Per page:

1 / 8

MGNIMAGNITE INC

Continue exploring

Smart money flow

Track where institutional capital is flowing

Discover new institutional entries

Fresh positions initiated this quarter

Check sector trends

Capital flows across GICS sectors

Other Communication Services stocks held by institutions

GOOGLALPHABET INC

463 holders · $1.5T

METAMETA PLATFORMS INC

454 holders · $880.5B

GOOGALPHABET INC

434 holders · $1.1T

NFLXNETFLIX INC.

415 holders · $224.6B

DISDISNEY WALT CO

386 holders · $114.9B

VZVERIZON COMMUNICATIONS INC

372 holders · $109.8B

CMCSACOMCAST CORP NEW

366 holders · $69.7B

SPOTSPOTIFY TECHNOLOGY S A

High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

MAGNITE INC

Smart Money Verdict

Who's Trading

Top Holders

Continue exploring

Other Communication Services stocks held by institutions