Magnera Corp. 13F holders
178 funds reported a position in Magnera Corp. in their 13F for the quarter ended 30 June 2026, together 37.0 million shares worth $434.3 million. Against the quarter before, 27 opened a position, 63 added, 42 trimmed and 22 sold out; together they sold a net 208,030 shares. The largest holders: Newtyn Management, LLC, BlackRock, Inc. and Engine Capital Management, LP.
Funds holding178+4 on Q1 2026
Shares they held37.0Mworth $434.3 million
Net sold on the quarter208,030 sharesabout $2.4 million at the funds' values
Funds buying to selling90 to 64opened or added, to cut or sold
Opened 27Added 63Held 47Trimmed 42Sold out 22
What each fund did in MAGN against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in MAGN in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,405 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 32 reported a position in Magnera Corp.: 3 opened one, 9 added, 7 trimmed and 4 sold out, a net 610,778 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 5 reported a position in Magnera Corp. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 862,384 shares worth $10.1 million, 0.0% of its reported book. Sold out: Millennium Management. In the quarter, 3 funds added or opened a position and 2 trimmed or sold out; together they sold a net 288,674 shares, about $3.4 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 862,384 | $10.1 million | 0.0% | +82,126 | added | 30 June 2026 | 13F |
| Norges Bank | 180,500 | $2.1 million | 0.0% | held | 30 June 2026 | 13F | |
| Citadel Advisors | 135,285 | $1.6 million | 0.0% | -179,534 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 74,250 | $872,439 | 0.0% | +7,443 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 24,741 | $290,707 | 0.0% | +1,260 | added | 30 June 2026 | 13F |
| Millennium Management | 0 | $0 | 0.0% | -199,969 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| Newtyn Management, LLC | 2,800,000 | 7.58% | $32.9 million | 4.11% | +40,000 | 13F |
| BlackRock, Inc. | 2,596,578 | 7.03% | $30.5 million | 0.00% | +206,571 | 13F |
| Engine Capital Management, LP | 2,243,827 | 6.07% | $26.4 million | 2.57% | no change | 13F |
| Littlejohn & Co. LLC | 1,889,088 | 5.11% | $22.2 million | 28.25% | -536,730 | 13F |
| Vanguard Capital Management LLC | 1,563,111 | 4.23% | $18.4 million | 0.00% | +29,834 | 13F |
| Morgan Stanley | 1,534,193 | 4.15% | $18.0 million | 0.00% | -433,638 | 13F |
| Madison Avenue Partners, LP | 1,302,066 | 3.52% | $15.3 million | 0.66% | -288,550 | 13F |
| Diameter Capital Partners LP | 1,205,793 | 3.26% | $14.2 million | 1.86% | no change | 13F |
| Assenagon Asset Management S.A. | 1,117,914 | 3.03% | $13.1 million | 0.01% | 13F | |
| DG Capital Management, LLC | 1,101,476 | 2.98% | $12.9 million | 4.96% | -105,880 | 13F |
| Geode Capital Management, LLC | 862,384 | 2.33% | $10.1 million | 0.00% | +82,126 | 13F |
| Canyon Capital Advisors LLC | 810,000 | 2.19% | $9.5 million | 1.08% | no change | 13F |
| D. E. Shaw & Co., Inc. | 789,745 | 2.14% | $9.3 million | 0.01% | -106,470 | 13F |
| Clearline Capital LP | 741,096 | 2.01% | $8.7 million | 0.56% | +2,779 | 13F |
| State Street Corp. | 671,927 | 1.82% | $7.9 million | 0.00% | +15,059 | 13F |
| JB Capital Partners LP | 655,000 | 1.77% | $7.7 million | 1.19% | no change | 13F |
| Thompson Siegel & Walmsley LLC | 649,806 | 1.76% | $7.6 million | 0.14% | +75,542 | 13F |
| JPMorgan Chase & Co. | 610,865 | 1.65% | $7.2 million | 0.00% | -217,934 | 13F |
| Verition Fund Management LLC | 607,303 | 1.64% | $7.1 million | 0.05% | +175,000 | 13F |
| Jacobs Levy Equity Management, Inc. | 601,599 | 1.63% | $7.1 million | 0.03% | +76,709 | 13F |
| American Century Companies Inc. | 599,991 | 1.62% | $7.0 million | 0.00% | +378,858 | 13F |
| Ameriprise Financial Inc. | 578,498 | 1.57% | $6.8 million | 0.00% | +69,973 | 13F |
| Dimensional Fund Advisors LP | 571,344 | 1.55% | $6.7 million | 0.00% | +317,436 | 13F |
| UBS Group AG | 506,934 | 1.37% | $6.0 million | 0.00% | +212,788 | 13F |
| AQR Capital Management LLC | 479,549 | 1.30% | $5.6 million | 0.00% | +333,970 | 13F |
| Algert Global LLC | 447,367 | 1.21% | $5.3 million | 0.06% | +53,752 | 13F |
| J. Goldman & Co LP | 424,989 | 1.15% | $5.0 million | 0.18% | +37,708 | 13F |
| Charles Schwab Investment Management Inc. | 423,311 | 1.15% | $5.0 million | 0.00% | -30,386 | 13F |
| Seven Six Capital Management, LLC | 398,568 | 1.08% | $4.7 million | 4.28% | +23,700 | 13F |
| SG Americas Securities, LLC | 397,523 | 1.08% | $4.7 million | 0.00% | new | 13F |
| Goldman Sachs Group Inc. | 371,488 | 1.01% | $4.4 million | 0.00% | +8,489 | 13F |
| Ancora Advisors LLC | 370,701 | 1.00% | $4.4 million | 0.08% | -350,389 | 13F |
| Vanguard Portfolio Management LLC | 360,698 | 0.98% | $4.2 million | 0.00% | +46,289 | 13F |
| Russell Investments Group, Ltd. | 304,607 | 0.82% | $3.6 million | 0.00% | -202,840 | 13F |
| Loews Corp | 300,000 | 0.81% | $3.5 million | 0.03% | no change | 13F |
| BNP Paribas Financial Markets | 292,549 | 0.79% | $3.4 million | 0.00% | -12,361 | 13F |
| Northern Trust Corp. | 283,739 | 0.77% | $3.3 million | 0.00% | +29,165 | 13F |
| CastleKnight Management LP | 282,095 | 0.76% | $3.3 million | 0.12% | +98,600 | 13F |
| Vanguard Fiduciary Trust Co. | 225,355 | 0.61% | $2.6 million | 0.00% | +8,774 | 13F |
| Gratia Capital, LLC | 224,872 | 0.61% | $2.6 million | 3.04% | -74,755 | 13F |
| Squarepoint Ops LLC | 217,272 | 0.59% | $2.6 million | 0.01% | +39,394 | 13F |
| Man Group plc | 207,170 | 0.56% | $2.4 million | 0.01% | +21,740 | 13F |
| Bridgeway Capital Management, LLC | 206,604 | 0.56% | $2.4 million | 0.04% | +7,721 | 13F |
| LSV Asset Management | 199,623 | 0.54% | $2.3 million | 0.00% | -44,870 | 13F |
| Readystate Asset Management LP | 192,534 | 0.52% | $2.3 million | 0.15% | -9,679 | 13F |
| Private Management Group Inc. | 186,728 | 0.51% | $2.2 million | 0.06% | new | 13F |
| Norges Bank | 180,500 | 0.49% | $2.1 million | 0.00% | 13F | |
| Trexquant Investment LP | 175,176 | 0.47% | $2.1 million | 0.01% | -112,128 | 13F |
| State of Wisconsin Investment Board | 164,888 | 0.45% | $1.9 million | 0.00% | -38,000 | 13F |
| Healthcare of Ontario Pension Plan Trust Fund | 161,600 | 0.44% | $1.9 million | 0.00% | +115,001 | 13F |
The 50 largest of the 178 funds that reported a position in MAGN in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 12 August 2026 | 13G/A | Morgan Stanley and 3 others | 1.4 million | 3.9% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 5 August 2026 | 13G/A | Cetus Capital VI, L.P. and 1 other | 1.6 million | 4.4% | 28 July 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 15 May 2026 | 13G/A | Newtyn Management, LLC and 1 other | 2.8 million | 7.7% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G/A | Madison Avenue International LP and 11 others | 1.6 million | 4.4% | 31 March 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 12 May 2026 | 13G/A | Cetus Capital VI, L.P. and 1 other | 2.2 million | 6.3% | 31 March 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 12 May 2026 | 13G/A | Morgan Stanley and 3 others | 1.9 million | 5.3% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 17 February 2026 | 13G/A | Madison Avenue International LP and 11 others | 1.8 million | 5.0% | 31 December 2025 | passive, under 20% (13d-1(c)) | EDGAR |
| 13 February 2026 | 13G | Ancora Advisors LLC and 1 other | 533,161 | 1.5% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 12 February 2026 | 13G | Morgan Stanley and 1 other | 2.3 million | 6.5% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G/A | Madison Avenue Partners, LP and 11 others | 2.8 million | 8.0% | 30 September 2025 | passive, under 20% (13d-1(c)) | EDGAR |
| 7 November 2025 | 13G/A | Morgan Stanley and 1 other | 1.6 million | 4.4% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 17 August 2026 | 1,334 | $12.48 | SEC |
| 14 August 2026 | 1,720 | $12.17 | SEC |
| 6 August 2026 | 1,490 | $13.54 | SEC |
| 30 July 2026 | 692 | $13.84 | SEC |
| 27 July 2026 | 1,638 | $13.71 | SEC |
| 17 July 2026 | 13 | $14.02 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.