What does CUSIP 55955D100 represent in this 13F holders report?

CUSIP 55955D100 is the security identifier for MGNI - MAGNITE, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held MGNI - MAGNITE, INC. - Common Stock in Q3 2020?

168 institutional investors reported MGNI - MAGNITE, INC. - Common Stock for Q3 2020. Use the holders table for investor-level position and value details.

MAGNITE, INC. - Common Stock (MGNI)

CUSIP: 55955D100

Q3 2020 13F Holders as of 30 Sep 2020

Security type / class: Equity / Common Stock
Total 13F shares: 83,209,025
Total 13F value: $577,796,330
Share change: +68,760,014
Put/Call ratio: 88%
SEC-reported price per share: $6.94
Number of holders: 168
Value change: +$477,632,041
Number of buys: 162
Number of sells: 4
Shares outstanding: 143,916,476

Security key

55955D100

Report period

Q3 2020

Institutions

168

Top holders

MGNI full security history Ownership snapshot Full 13F holder table MAGNITE, INC. SEC filings MAGNITE, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of MGNI - MAGNITE, INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Granahan Investment Manag...

Disclosed value leader

Granahan Investment Manag...

Comparable rows

11/11

Latest evidence

30 Jun 2020

13F Lead comparable stake: 5.5% Showing 1-6 of 11 holder rows.

Quick read

Granahan Investment Management, LLC leads the comparable SEC ownership view at 5.5%.

11 of 11 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Granahan Investment Management, LLC's linked filing trail.

Comparable ownership Top 5

Granahan Investment Management, LLC 5.5%

Nine Ten Capital Management LLC 3.4%

Marshall Wace North America L.P. 0.39%

OBERWEIS ASSET MANAGEMENT INC/ 0.27%

FRIESS ASSOCIATES LLC 0.25%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 11 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Granahan Investment Management, LLC	13F Company 13F	5.5%	$52,414,000 7,858,116 shares	—	30 Jun 2020
Nine Ten Capital Management LLC	13F Company 13F	3.4%	$33,116,000 4,964,934 shares	—	30 Jun 2020
Marshall Wace North America L.P.	13F Company 13F	0.39%	$3,701,000 555,104 shares	—	30 Jun 2020
OBERWEIS ASSET MANAGEMENT INC/	13F Company 13F	0.27%	$2,550,000 382,337 shares	—	30 Jun 2020
FRIESS ASSOCIATES LLC	13F Company 13F	0.25%	$2,401,000 360,000 shares	—	30 Jun 2020
FNY Investment Advisers, LLC	13F Company 13F	0.09%	$849,000 127,360 shares	—	30 Jun 2020

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2020

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

168

83,209,025

Rows available

168

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2020 vs Q2 2020 Across Filers

Q2 2020 holders

Q3 2020 holders

168

Holder diff

158

Investor	Q2 2020 Shares	Q3 2020 Shares	Share Diff	Share Chg %	Q2 2020 value	Q3 2020 value	Value change	Value Chg %