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Disclosery

MAGN MAGNERA CORP

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COMMON STOCK (common), issuer CIK 41719

215 managers (217 13F filers) reported a position in MAGN shares at 2025-03-31, 35,212,216 shares in all. 25 filers opened a position and 41 filers sold out during the quarter.

Managers
215
13F filers
217
New
25
Added
60
Reduced
77
Sold out
41
Shares held by filers
35,212,216

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2025

Filers in the available 13F reports with a share position at 2025-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Madison Avenue Partners, LP3,344,005$60.7M5.16%-62,28813F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC2,896,519$52.6M<0.01%+12,22913F-HRTimelineGroup
Engine Capital Management, LPin group Engine Capital Management, LP2,357,241$42.8M8.11%-1,10013F-HRTimelineGroup
LITTLEJOHN & CO LLC1,948,060$35.4M18.44%+539,65413F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC1,675,575$30.4M0.68%+21,89513F-HRTimelineGroup
FULLER & THALER ASSET MANAGEMENT, INC.1,316,988$23.9M0.09%+14,99713F-HRTimeline
Newtyn Management, LLC1,300,000$23.6M3.73%+400,00013F-HRTimeline
Irenic Capital Management LP1,210,829$22M3.33%+315,05713F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC1,184,022$21.5M0.02%+286,97813F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.923,650$16.8M<0.01%+21,16513F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP788,130$14.3M<0.01%-145,99413F-HRTimelineGroup
DG Capital Management, LLC760,278$13.8M7.52%+411,32413F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.752,552$13.7M0.02%+54,50613F-HRTimelineGroup
BLACK DIAMOND CAPITAL MANAGEMENT, L.L.C.750,000$13.6M8.08%+259,12913F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding727,124$13.2M+656,246Timeline
CANYON CAPITAL ADVISORS LLCin group CANYON CAPITAL ADVISORS LLC712,640$12.9M1.86%-48,64613F-HRTimelineGroup
SCOPIA CAPITAL MANAGEMENT LP689,215$12.6M1.82%-257,82013F-HRTimeline
LSV ASSET MANAGEMENT659,321$12M0.03%-352,34613F-HRTimeline
UBS Group AGgroup of 2 filers holding625,946$11.4M+22,813Timeline
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P604,734$11M0.02%+1,04713F-HRTimelineGroup
BRIGHTLINE CAPITAL MANAGEMENT, LLC556,000$10.1M8.76%+403,00013F-HRTimeline
Clearline Capital LP524,539$9.53M0.96%+18,00013F-HRTimeline
J. Goldman & Co LP499,485$9.07M0.32%-8,27413F-HRTimeline
Empyrean Capital Partners, LP469,730$8.53M0.46%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA456,733$8.29M<0.01%-73413F-HR/ATimelineGroup
FMR LLCin group FMR LLC445,737$8.09M<0.01%-99,63213F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…408,240$7.41M0.01%+259,52913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC373,110$6.78M<0.01%+16,04313F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC353,489$6.42M<0.01%-27,62213F-HR/ATimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC341,722$6.21M<0.01%+10,03713F-HRTimelineGroup
TURTLE CREEK ASSET MANAGEMENT INC.314,733$5.72M0.16%-257,85413F-HRTimeline
GRATIA CAPITAL, LLC293,227$5.33M6.07%013F-HRTimeline
HBK INVESTMENTS L P278,069$5.05M0.09%-42,88913F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Khrom Capital Management LLC263,647$4.79M0.64%-1,044,96113F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY260,447$4.73M<0.01%-36113F-HRTimelineGroup
Loews Corp220,500$4M0.03%+152,53013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/209,190$3.8M<0.01%-93,08113F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP205,841$3.74M<0.01%+1,71113F-HRTimelineGroup
Schonfeld Strategic Advisors LLC198,019$3.6M0.02%+55,26513F-HRTimeline
Seven Six Capital Management, LLC196,368$3.57M3.2%+23,50413F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC158,950$2.89M0.01%-113,58513F-HR/ATimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP156,756$2.85M<0.01%+49,52613F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC135,448$2.46M<0.01%+92,42813F-HRTimelineGroup
CastleKnight Management LP134,982$2.45M0.26%-50,59113F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP111,283$2.02M<0.01%-13,74713F-HRTimelineGroup
TOCQUEVILLE ASSET MANAGEMENT L.P.in group TOCQUEVILLE ASSET MANAGEMENT …105,000$1.91M0.03%013F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co89,572$1.63M<0.01%+24,65113F-HR/ATimelineGroup
Weiss Asset Management LPin group Weiss Asset Management LP88,712$1.61M0.04%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
Centiva Capital, LP82,821$1.5M0.09%+46,45113F-HRTimeline
HighVista Strategies LLC66,600$1.21M0.47%new13F-HRTimeline
AlphaQuest LLC61,740$1.12M0.12%new13F-HRTimeline
Swiss National Bank61,631$1.12M<0.01%-8,10013F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC60,966$1.11M0.03%+50,14413F-HRTimeline
Alpine Global Management, LLC60,000$1.09M0.3%-42,72413F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO58,353$1.06M<0.01%-31,32713F-HRTimelineGroup
Verition Fund Management LLC57,233$1.04M0.01%+39,69513F-HRTimeline
RBF Capital, LLC53,992$980K0.06%013F-HRTimeline
Empowered Funds, LLC53,144$965K0.01%new13F-HRTimeline
OMERS ADMINISTRATION Corp53,100$964K0.01%+26,90013F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC52,454$953K0.03%-10,50713F-HRTimeline
Cubist Systematic Strategies, LLC51,943$943K0.01%+38,46613F-HRTimeline
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.in group LANDSCAPE CAPITAL MANAGEMENT,…48,896$888K0.08%new13F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…48,725$884K<0.01%+35,52113F-HR/ATimelineGroup
Catalyst Funds Management Pty Ltd46,782$850K0.22%+9,11313F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC46,018$836K<0.01%+17,05913F-HR/ATimelineGroup
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC43,275$785K<0.01%+37,90213F-HRTimelineGroup
NORGES BANK40,433$734K<0.01%-56,58613F-HR/ATimeline
Jain Global LLC40,343$733K0.01%+18,44313F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD37,212$676K<0.01%-2,80413F-HRTimeline
Caption Management, LLC34,156$620K0.03%+31,95613F-HRTimeline
Nuveen, LLCin group TIAA33,784$614K<0.01%13F-HRTimelineGroup
BLUEFIN CAPITAL MANAGEMENT, LLC33,224$603K0.48%13F-HRTimeline
Invesco Ltd.in group Invesco Ltd.32,676$593K<0.01%+21,58813F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC32,378$588K<0.01%-3,27013F-HRTimelineGroup
Carlson Capital, L.P.32,100$583K0.33%-20,43013F-HRTimeline
HRT FINANCIAL LP31,603$573K<0.01%+11,74413F-HRTimeline
CITIGROUP INCin group CITIGROUP INC30,396$552K<0.01%-51,87613F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…30,252$549K<0.01%013F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc29,518$536K<0.01%-39513F-HRTimelineGroup
Jefferies Financial Group Inc.in group Jefferies Financial Group Inc.29,358$533K0.01%-4,41213F-HRTimelineGroup
ALGERT GLOBAL LLC29,210$530K0.01%-29,17013F-HR/ATimeline
CONTRARIAN CAPITAL MANAGEMENT, L.L.C.in group CONTRARIAN CAPITAL MANAGEMENT…28,000$508K0.13%+2,00013F-HRTimelineGroup
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …27,091$492K0.01%+3,59813F-HRTimelineGroup
ARISTEIA CAPITAL, L.L.C.26,937$489K0.02%new13F-HRTimeline
Nebula Research & Development LLC26,551$482K0.04%new13F-HRTimeline
TUDOR INVESTMENT CORP ET AL26,407$480K<0.01%-185,41113F-HRTimeline
Quantessence Capital LLC24,974$454K0.11%new13F-HRTimeline
Diametric Capital, LP24,632$447K0.53%new13F-HRTimeline
BROWN ADVISORY INCin group BROWN ADVISORY INC24,267$441K<0.01%+3713F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC23,626$429K<0.01%-125,42013F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding22,260$404K-31,996Timeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …18,567$337K<0.01%-71313F-HRTimelineGroup
GLENMEDE TRUST CO NAin group GLENMEDE TRUST CO NA17,756$322K<0.01%-2,27413F-HRTimelineGroup
SG Americas Securities, LLC17,688$321K<0.01%new13F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…17,334$315K0.01%new13F-HRTimelineGroup
Cannell & Spears LLC17,214$313K0.01%-62,11813F-HRTimeline
Cannon Global Investment Management, LLC16,600$301K0.83%new13F-HRTimeline
Ballentine Partners, LLC16,471$299K0.01%+21713F-HRTimeline
Point72 Asia (Singapore) Pte. Ltd.15,835$288K0.08%-3,53213F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson13,741$252K<0.01%+313F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp13,702$249K<0.01%-7,01413F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd13,583$247K0.01%new13F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP12,829$233K0.02%new13F-HRTimeline
Mirae Asset Global Investments Co., Ltd.in group Mirae Asset Global Investment…11,840$216K<0.01%+6,18013F-HRTimelineGroup
Dynamic Technology Lab Private Ltd11,459$208K0.03%new13F-HRTimeline
ExodusPoint Capital Management, LP10,094$183K<0.01%-94313F-HRTimeline
Alaska Permanent Fund Corp12,395$182K<0.01%new13F-HRTimeline
Rangeley Capital, LLC10,000$182K0.2%-5,50013F-HRTimeline
COMERICA BANK9,853$179K<0.01%+4313F-HRTimeline
South Dakota Investment Council9,469$172K<0.01%013F-HRTimeline
State of Wyoming9,465$172K0.02%new13F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…9,444$172K<0.01%013F-HRTimeline
Guardian Wealth Management, Inc.8,476$154K0.1%+41213F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…7,969$145K<0.01%-1,13113F-HRTimelineGroup
Quantbot Technologies LP7,481$136K<0.01%new13F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.7,400$134K<0.01%-48,00013F-HR/ATimelineGroup
BARCLAYS PLCin group BARCLAYS PLC6,632$120K<0.01%-78213F-HR/ATimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN6,475$118K<0.01%-1,98013F-HRTimelineGroup
KLP KAPITALFORVALTNING AS6,355$115K<0.01%013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\4,017$72.9K<0.01%013F-HRTimelineGroup
Point72 (DIFC) Ltd3,500$63.6K0.01%-25913F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…3,166$57K<0.01%013F-HRTimeline
KBC Group NVin group KBC Group NV2,814$51K<0.01%013F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/2,625$47.7K<0.01%-25513F-HRTimelineGroup
FNY Investment Advisers, LLC2,340$42K0.03%-62013F-HRTimeline
SHELL ASSET MANAGEMENT CO2,165$39K<0.01%-8813F-HRTimeline
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…1,694$30.8K<0.01%+1,67913F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS1,610$29.2K<0.01%-14,73913F-HRTimelineGroup
RHUMBLINE ADVISERS1,512$27.5K<0.01%-1,53613F-HR/ATimeline
Federation des caisses Desjardins du Qu…1,363$24.8K<0.01%+14713F-HRTimeline
Blue Trust, Inc.1,293$23.5K<0.01%+41713F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.1,673$22.6K<0.01%new13F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC1,226$22.3K<0.01%+1,08313F-HRTimeline
EMC Capital Management1,191$22K0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,151$20.9K<0.01%-2213F-HRTimeline
Investors Research Corp991$18K<0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…701$12.7K<0.01%-3,90513F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\699$12.7K<0.01%-5913F-HRTimelineGroup
Spire Wealth Managementin group Spire Wealth Management493$8.95K<0.01%013F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…460$8.35K<0.01%+20613F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.343$6.22K<0.01%-27613F-HRTimelineGroup
Caitong International Asset Management …245$4.45K<0.01%+11213F-HRTimeline
American Capital Advisory, LLC207$3.76K<0.01%013F-HRTimeline
GAMMA Investing LLC207$3.76K<0.01%-9813F-HR/ATimeline
LRI Investments, LLC171$3.1K<0.01%013F-HRTimeline
HARBOUR INVESTMENTS, INC.148$2.69K<0.01%013F-HRTimeline
Johnson Financial Group, Inc.in group Johnson Financial Group, Inc.138$2.51K<0.01%new13F-HRTimelineGroup
BARTLETT & CO. WEALTH MANAGEMENT LLC138$2.51K<0.01%013F-HRTimeline
DecisionPoint Financial, LLC135$2.45K<0.01%013F-HRTimeline
TD Waterhouse Canada Inc.120$2.18K<0.01%-8,97613F-HRTimeline
Strengthening Families & Communities, L…117$2.12K<0.01%013F-HRTimeline
AdvisorNet Financial, Inc113$2.05K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC85$2K<0.01%-25913F-HRTimelineGroup
SIGNATUREFD, LLC109$1.98K<0.01%+1113F-HRTimeline
Geneos Wealth Management Inc.101$1.83K<0.01%-3513F-HRTimeline
Sound Income Strategies, LLC98$1.78K<0.01%-713F-HRTimeline
SBI Securities Co., Ltd.86$1.56K<0.01%-113F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP82$1.5K<0.01%+2213F-HR/ATimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…71$1.29K<0.01%-513F-HRTimelineGroup
Parallel Advisors, LLC69$1.25K<0.01%-713F-HRTimeline
Smartleaf Asset Management LLC66$1.21K<0.01%-113F-HRTimeline
MAI Capital Management65$1.18K<0.01%-2313F-HRTimeline
NewEdge Advisors, LLC63$1.14K<0.01%013F-HRTimeline
Amundiin group Amundi61$1.04K<0.01%+1413F-HRTimelineGroup
Versant Capital Management, Inc57$1.03K<0.01%-2813F-HRTimeline
BROWN, LISLE/CUMMINGS, INC.55$999<0.01%-11413F-HRTimeline
Physician Wealth Advisors, Inc.54$981<0.01%013F-HRTimeline
CVA Family Office, LLC54$981<0.01%new13F-HRTimeline
JFS WEALTH ADVISORS, LLC45$818<0.01%-313F-HRTimeline
THOMPSON INVESTMENT MANAGEMENT, INC.44$799<0.01%013F-HRTimeline
CALDWELL SUTTER CAPITAL, INC.44$798<0.01%013F-HRTimeline
Allworth Financial LP54$782<0.01%013F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC33$600<0.01%new13F-HRTimeline
IFP Advisors, Inc33$599<0.01%-713F-HRTimeline
NATIXISin group Natixis Investment Managers31$567<0.01%-213F-HR/ATimelineGroup
SouthState Bank Corpin group SouthState Bank Corp28$508<0.01%new13F-HRTimelineGroup
DANSKE BANK A/S27$490<0.01%-213F-HRTimeline
SITTNER & NELSON, LLC27$490<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…26$472<0.01%-34613F-HRTimelineGroup
Wilmington Savings Fund Society, FSB22$400<0.01%-1,39313F-HRTimeline
SVB WEALTH LLC22$399<0.01%new13F-HRTimeline
Heritage Wealth Advisors19$345<0.01%013F-HRTimeline
BOKF, NAin group BOKF, NA17$309<0.01%013F-HRTimelineGroup
CENTRAL TRUST Co14$255<0.01%013F-HRTimeline
Quent Capital, LLC14$254<0.01%013F-HRTimeline
Fortitude Family Office, LLC14$254<0.01%013F-HRTimeline
Private Wealth Management Group, LLC13$237<0.01%013F-HRTimeline
WPG Advisers, LLC13$236<0.01%013F-HRTimeline
Aviso Financial Inc.12$217<0.01%-213F-HRTimeline
PRIVATE TRUST CO NA10$182<0.01%013F-HRTimeline
Lindbrook Capital, LLC10$182<0.01%013F-HRTimeline
Global Financial Private Client, LLC9$163<0.01%013F-HRTimeline
Transce3nd, LLC9$163<0.01%013F-HRTimeline
Winch Advisory Services, LLC8$140<0.01%013F-HRTimeline
Parkside Financial Bank & Trust7$128<0.01%013F-HRTimeline
SJS Investment Consulting Inc.7$128<0.01%013F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…7$127<0.01%013F-HRTimelineGroup
TD PRIVATE CLIENT WEALTH LLC7$127<0.01%-2513F-HRTimeline
PRINCIPAL SECURITIES, INC.in group PRINCIPAL FINANCIAL GROUP INC5$91<0.01%013F-HRTimelineGroup
UMB Bank, n.a.5$91<0.01%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.