- Type / Class
- Equity / COMMON STOCK
- Shares outstanding
- 145,400,599
- Total 13F shares
- 83,209,025
- Share change
- +68,760,014
- Total reported value
- $577,796,330
- Put/Call ratio
- 88%
- Price per share
- $6.94
- Number of holders
- 168
- Value change
- +$477,632,041
- Number of buys
- 162
- Number of sells
- 4
Quarterly Holders Quick Answers
What is CUSIP 55955D100?
CUSIP 55955D100 identifies MGNI - MAGNITE INC - COMMON STOCK in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 55955D100:
Top shareholders of MGNI - MAGNITE INC - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Granahan Investment Management, LLC |
13F
|
Company |
5.4%
|
7,858,116
|
$52,414,000 | — | 30 Jun 2020 | |
| Nine Ten Capital Management LLC |
13F
|
Company |
3.4%
|
4,964,934
|
$33,116,000 | — | 30 Jun 2020 | |
| Marshall Wace North America L.P. |
13F
|
Company |
0.38%
|
555,104
|
$3,701,000 | — | 30 Jun 2020 | |
| OBERWEIS ASSET MANAGEMENT INC/ |
13F
|
Company |
0.26%
|
382,337
|
$2,550,000 | — | 30 Jun 2020 | |
| FRIESS ASSOCIATES LLC |
13F
|
Company |
0.25%
|
360,000
|
$2,401,000 | — | 30 Jun 2020 | |
| FNY Investment Advisers, LLC |
13F
|
Company |
0.09%
|
127,360
|
$849,000 | — | 30 Jun 2020 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.06%
|
81,479
|
$543,000 | — | 30 Jun 2020 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.04%
|
62,116
|
$414,000 | — | 30 Jun 2020 | |
| BOGLE INVESTMENT MANAGEMENT L P /DE/ |
13F
|
Company |
0.03%
|
36,600
|
$244,000 | — | 30 Jun 2020 | |
| CWM, LLC |
13F
|
Company |
0%
|
203
|
$7,000 | — | 30 Jun 2020 | |
| Winch Advisory Services, LLC |
13F
|
Company |
0%
|
129
|
$1,000 | — | 30 Jun 2020 |
Institutional Holders of MAGNITE INC - COMMON STOCK (MGNI) as of Q3 2020
As of 30 Sep 2020,
MAGNITE INC - COMMON STOCK (MGNI) was held by
168 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
83,209,025 shares.
The largest 10 holders included
GRANAHAN INVESTMENT MANAGEMENT INC/MA, BlackRock Inc., VANGUARD GROUP INC, Nine Ten Capital Management LLC, Edenbrook Capital, LLC, WELLINGTON MANAGEMENT GROUP LLP, ROYCE & ASSOCIATES LP, STATE STREET CORP, CANNELL CAPITAL LLC, and Portsea Asset Management LLP.
This page lists
168
institutional shareholders reporting positions in this security
for the Q3 2020 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2020 vs Q2 2020 Across Filers
Q2 2020 holders
10
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 Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.