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MAGNITE INC (MGNI) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:MGNI - US55955D1000 - Common Stock

14.43 USD
+0.03 (+0.21%)
Last: 12/3/2025, 1:43:36 PM
MGNI Ownership Chart.MGNI Ownership Chart: showing Insider, Institutional ownership and shares available to the public.MGNI Ownership.InsiderInstitutional



Shares Outstanding143.65M
Float141.78M
Float Short Interest Percentage11.02%
Owners (insider)1.38%
Owners (institutional)105.29%
Owners (insider) change-24.7%
Owners (institutional) change-6.17%
MGNI Institutional Ownership HistoryMGNI Institutional Ownership HistoryMGNI Institutional Ownership History Dec 2021 Mar 2022 Jun 2022 Sep 2022 Dec 2022 Mar 2023 Jun 2023 Sep 2023 Dec 2023 Mar 2024 Jun 2024 Sep 2024 Dec 2024 Mar 2025 Jun 2025 Sep 2025 50M 100M 150M
MGNI Historical Insider Transactions ChartMGNI Historical Insider Buy and Sell Transactions ChartMGNI Historical Insider Transactions Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 0 500K -500K
Date Name Type Shares Price Amount
Nov 24, 2025 Buckley Sean Patrick Open Market Sale 2213 14.50 $ 32,088.50
Nov 21, 2025 Spillane Robert F Open Market Sale 12500 14.22 $ 177,750.00
Nov 18, 2025 Buckley Sean Patrick Open Market Sale 4426 13.36 $ 59,131.36
Nov 18, 2025 Soroca Adam Lee Open Market Sale 10857 13.23 $ 143,638.11
Nov 15, 2025 Evans Katie Seitz Option Excercise 10354 14.15 $ 146,509.10
Nov 15, 2025 Buonasera David Option Excercise 7129 14.15 $ 100,875.35
Nov 15, 2025 Gephart Brian Option Excercise 3549 14.15 $ 50,218.35
Nov 15, 2025 Saltz Aaron Option Excercise 5695 14.15 $ 80,584.25
Nov 15, 2025 BARRETT MICHAEL G. Option Excercise 12198 14.15 $ 172,601.70
Nov 15, 2025 Day David Option Excercise 13197 14.15 $ 186,737.55
Nov 15, 2025 Buckley Sean Patrick Option Excercise 11642 14.15 $ 164,734.30
Nov 15, 2025 Soroca Adam Lee Option Excercise 9422 14.15 $ 133,321.30
Oct 24, 2025 Caine Paul Open Market Sale 5000 20.00 $ 100,000.00
Sep 19, 2025 Saltz Aaron Open Market Sale 8522 24.50 $ 208,789.00
Sep 19, 2025 Caine Paul Open Market Sale 7500 25.00 $ 187,500.00
Sep 15, 2025 Saltz Aaron Open Market Sale 6180 23.94 $ 147,949.20
Sep 10, 2025 Caine Paul Open Market Sale 5000 23.60 $ 117,987.49
Sep 8, 2025 Buckley Sean Patrick Open Market Sale 40000 25.09 $ 1,003,400.00
Sep 4, 2025 Gephart Brian Open Market Sale 27671 24.71 $ 683,750.41
Sep 3, 2025 Buonasera David Open Market Sale 2950 25.37 $ 74,841.50
Sep 2, 2025 Soroca Adam Lee Option Excercise 24986 4.92 $ 122,931.12
Sep 2, 2025 Soroca Adam Lee Open Market Sale 24986 24.69 $ 616,948.67
Aug 29, 2025 Saltz Aaron Open Market Sale 12403 26.07 $ 323,346.21
Aug 27, 2025 Evans Katie Seitz Open Market Sale 21509 25.52 $ 548,909.68
Aug 26, 2025 Yu Diane Open Market Sale 20000 25.23 $ 504,600.00
Aug 25, 2025 Caine Paul Open Market Sale 7500 25.00 $ 187,500.00
Aug 25, 2025 Evans Katie Seitz Open Market Sale 8345 26.00 $ 216,970.00
Aug 18, 2025 Gephart Brian Open Market Sale 2961 23.85 $ 70,619.85
Aug 18, 2025 Day David Open Market Sale 13366 23.85 $ 318,779.10
Aug 18, 2025 Soroca Adam Lee Open Market Sale 20279 23.65 $ 479,634.13
Aug 18, 2025 Evans Katie Seitz Open Market Sale 10487 23.85 $ 250,114.95
Aug 18, 2025 Saltz Aaron Open Market Sale 5770 23.85 $ 137,614.50
Aug 18, 2025 BARRETT MICHAEL G. Open Market Sale 35951 23.85 $ 857,431.35
Aug 18, 2025 Buckley Sean Patrick Open Market Sale 20201 23.65 $ 477,788.40
Aug 18, 2025 Buonasera David Open Market Sale 7834 23.85 $ 186,840.90
Aug 15, 2025 Day David Other Disposition 26374 0.00 $ 0.00
Aug 14, 2025 Saltz Aaron Open Market Sale 13860 23.34 $ 323,492.40
Aug 12, 2025 Lam Rachel Open Market Sale 15000 22.25 $ 333,750.00
Aug 11, 2025 Caine Paul Open Market Sale 5000 22.29 $ 111,450.00
Jul 15, 2025 BARRETT MICHAEL G. Open Market Sale 70900 23.27 $ 1,649,843.00
Jul 10, 2025 Caine Paul Open Market Sale 5000 23.53 $ 117,650.00
Jul 3, 2025 Soroca Adam Lee Option Excercise 8329 4.92 $ 40,972.78
Jul 3, 2025 Soroca Adam Lee Open Market Sale 42584 25.00 $ 1,064,600.00
Jun 30, 2025 Evans Katie Seitz Option Excercise 16137 3.61 $ 58,254.57
Jun 30, 2025 Evans Katie Seitz Open Market Sale 24495 23.32 $ 571,164.00
Jun 30, 2025 Day David Open Market Sale 21682 22.00 $ 477,004.00
Jun 30, 2025 Saltz Aaron Open Market Sale 17574 22.00 $ 386,628.00
Jun 30, 2025 Buonasera David Open Market Sale 9289 22.00 $ 204,358.00
Jun 24, 2025 Soroca Adam Lee Option Excercise 8329 1.97 $ 16,408.13
Jun 24, 2025 Soroca Adam Lee Open Market Sale 44519 20.00 $ 890,380.00
Jun 24, 2025 Caine Paul Open Market Sale 5000 20.00 $ 100,000.00
Jun 24, 2025 BARRETT MICHAEL G. Open Market Sale 300000 20.01 $ 6,003,000.00
Jun 24, 2025 Day David Option Excercise 71000 5.28 $ 374,880.00
Jun 24, 2025 Day David Open Market Sale 71000 20.46 $ 1,452,450.00
Jun 18, 2025 Rossman James Open Market Sale 137007 18.78 $ 2,572,991.46
Jun 18, 2025 Day David Option Excercise 38146 4.92 $ 187,678.32
Jun 18, 2025 Day David Open Market Sale 38146 18.95 $ 722,866.70
Jun 16, 2025 BARRETT MICHAEL G. Open Market Sale 75000 18.26 $ 1,369,200.00
Jun 16, 2025 Evans Katie Seitz Option Excercise 20000 3.61 $ 72,200.00
Jun 16, 2025 Evans Katie Seitz Open Market Sale 20000 18.50 $ 370,000.00
Jun 16, 2025 Saltz Aaron Open Market Sale 16788 17.50 $ 293,790.00
Jun 10, 2025 Spillane Robert F Open Market Sale 15000 17.57 $ 263,550.00
Jun 6, 2025 Soroca Adam Lee Option Excercise 8328 1.97 $ 16,406.16
Jun 6, 2025 Soroca Adam Lee Open Market Sale 8328 17.70 $ 147,405.60
Jun 6, 2025 PEARSON DAVID T. Open Market Sale 11512 17.60 $ 202,611.20
Jun 5, 2025 Spillane Robert F Grant 10766 0.00 $ 0.00
Jun 5, 2025 Evans Katie Seitz Option Excercise 20000 3.61 $ 72,200.00
Jun 5, 2025 Evans Katie Seitz Open Market Sale 35000 17.36 $ 607,600.00
Jun 5, 2025 Yu Diane Grant 10766 0.00 $ 0.00
Jun 5, 2025 PEARSON DAVID T. Grant 10766 0.00 $ 0.00
Jun 5, 2025 Caine Paul Grant 10766 0.00 $ 0.00
Jun 5, 2025 Rossman James Grant 10766 0.00 $ 0.00
Jun 5, 2025 Lam Rachel Grant 10766 0.00 $ 0.00
Jun 5, 2025 Knopper Douglas S Grant 10766 0.00 $ 0.00
Jun 5, 2025 Harden Sarah Patricia Grant 10766 0.00 $ 0.00
Jun 4, 2025 Saltz Aaron Open Market Sale 15328 16.71 $ 256,130.88
May 23, 2025 Buonasera David Open Market Sale 12395 15.71 $ 194,776.59
May 16, 2025 Soroca Adam Lee Open Market Sale 11366 15.73 $ 178,787.18
May 16, 2025 Buckley Sean Patrick Open Market Sale 9692 15.73 $ 152,455.16
May 15, 2025 Soroca Adam Lee Option Excercise 9903 15.88 $ 157,259.64
May 15, 2025 Gephart Brian Option Excercise 3045 15.88 $ 48,354.60
May 15, 2025 Evans Katie Seitz Option Excercise 10860 15.88 $ 172,456.80
May 15, 2025 Day David Option Excercise 13865 15.88 $ 220,176.20
May 15, 2025 Buckley Sean Patrick Option Excercise 15049 15.88 $ 238,978.12
May 15, 2025 BARRETT MICHAEL G. Option Excercise 13086 15.88 $ 207,805.68
May 15, 2025 Saltz Aaron Option Excercise 6001 15.88 $ 95,295.88
May 15, 2025 Buonasera David Option Excercise 8038 15.88 $ 127,643.44
May 12, 2025 Gephart Brian Open Market Sale 6334 16.16 $ 102,357.44
Mar 3, 2025 Gephart Brian Open Market Sale 6250 16.00 $ 100,000.00
Mar 3, 2025 Soroca Adam Lee Open Market Sale 15499 15.75 $ 244,109.25
Feb 19, 2025 Buckley Sean Patrick Open Market Sale 10527 19.13 $ 201,381.51
Feb 15, 2025 Buonasera David Option Excercise 17384 20.00 $ 347,680.00
Feb 15, 2025 Buckley Sean Patrick Option Excercise 27444 20.00 $ 548,880.00
Feb 15, 2025 Gephart Brian Option Excercise 6749 20.00 $ 134,980.00
Feb 15, 2025 Saltz Aaron Option Excercise 13125 20.00 $ 262,500.00
Feb 15, 2025 Evans Katie Seitz Option Excercise 23481 20.00 $ 469,620.00
Feb 15, 2025 Day David Option Excercise 31113 20.00 $ 622,260.00
Feb 15, 2025 BARRETT MICHAEL G. Option Excercise 26499 20.00 $ 529,980.00
Feb 15, 2025 Soroca Adam Lee Option Excercise 21975 20.00 $ 439,500.00
Feb 10, 2025 Caine Paul Open Market Sale 5000 20.35 $ 101,750.00
Feb 7, 2025 Rossman James Open Market Sale 149936 19.46 $ 2,917,754.56
Feb 7, 2025 Buckley Sean Patrick Open Market Sale 18693 20.00 $ 373,860.00
Feb 7, 2025 Evans Katie Seitz Open Market Sale 12520 20.00 $ 250,400.00
Feb 7, 2025 Saltz Aaron Open Market Sale 17947 19.75 $ 354,453.25
Feb 7, 2025 Day David Option Excercise 39000 4.92 $ 191,880.00
Feb 6, 2025 Day David Open Market Sale 52245 19.58 $ 1,023,045.75
Feb 5, 2025 BARRETT MICHAEL G. Option Excercise 108360 0.00 $ 0.00
Feb 5, 2025 BARRETT MICHAEL G. Option Excercise 55675 17.97 $ 1,000,479.75
Jan 9, 2025 BARRETT MICHAEL G. Grant 82117 0.00 $ 0.00
Jan 9, 2025 Day David Grant 127737 0.00 $ 0.00
Jan 9, 2025 Saltz Aaron Grant 51095 0.00 $ 0.00
Jan 9, 2025 Buonasera David Grant 72384 0.00 $ 0.00
Jan 9, 2025 Evans Katie Seitz Grant 123479 0.00 $ 0.00
Jan 9, 2025 Soroca Adam Lee Grant 74513 0.00 $ 0.00
Jan 9, 2025 Buckley Sean Patrick Grant 123479 0.00 $ 0.00
Jan 3, 2025 Day David Open Market Sale 13345 17.00 $ 226,865.00
Dec 16, 2024 Day David Open Market Sale 25144 16.38 $ 411,747.36
Dec 13, 2024 Buonasera David Open Market Sale 1969 16.31 $ 32,114.39
Dec 4, 2024 BARRETT MICHAEL G. Open Market Sale 147996 17.52 $ 2,592,889.92