Magnera Corp

MAGN

Exchange: NYSE
Industry: Paper Mills
SEC CIK: 0000041719

SEC filings (opens in a new tab)

No open-market purchases or sales by Magnera Corp insiders were filed in the last 90 days; 179 institutions reported holding it in 13F filings for Q2 2026, worth $427.2M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Magnera Corp changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of MAGN: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	175	3	179	+7
Shares	36.6M	2.52K	36.4M	−221.7K (−0.6%)
Value	$347.6M	$23.9K	$427.2M	+$79.6M (+22.9%)

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (29)

Institutions that held Magnera Corp at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to MAGN in Q2 2026
Institution	Shares	Value	% of portfolio
SG Americas Securities, LLC	397,523	$4.67M	0.00%
Private Management Group Inc	186,728	$2.19M	0.06%
Norges Bank	180,500	$2.12M	0.00%
Balyasny Asset Management LLC	81,310	$955.4K	0.00%
Thrivent Financial for Lutherans	71,449	$840.0K	0.00%
Odyssean, LLC	30,236	$355.3K	0.06%
Dynamic Technology Lab Private Ltd	28,942	$340.0K	0.08%
Ieq Capital, LLC	21,633	$254.2K	0.00%
Brevan Howard Capital Management LP	21,216	$249.3K	0.00%
LPL Financial LLC	20,009	$235.1K	0.00%
Aristeia Capital LLC	18,966	$222.9K	0.00%
Wealth Enhancement Advisory Services, LLC	15,752	$203.2K	0.00%
EP Wealth Advisors, LLC	15,658	$184.0K	0.00%
Cetera Investment Advisers	15,609	$183.4K	0.00%
Mariner, LLC	15,281	$179.6K	0.00%
Globeflex Capital L P	12,524	$147.2K	0.02%
Mercer Global Advisors Inc	12,387	$145.5K	0.00%
Centiva Capital, LP	10,348	$121.6K	0.00%
SRS Capital Advisors, Inc.	6,476	$76.1K	0.00%
BFSG, LLC	1,480	$17.4K	0.00%
Federated Hermes, Inc.	1,004	$11.8K	0.00%
Global Retirement Partners, LLC	290	$3.41K	0.00%
Quarry LP	183	$2.15K	0.00%
True Wealth Design, LLC	115	$1.35K	0.00%
Bogart Wealth, LLC	88	$1.03K	0.00%
Group One Trading, L.P.	28	$329	0.00%
Wealth Enhancement Trust Services, Inc.	25	$294	0.00%
Clearstead Advisors, LLC	22	$259	0.00%
JPL Wealth Management, LLC	15	$177	0.00%

Sold out (22)

Institutions that held Magnera Corp at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of MAGN in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Millennium Management LLC	199,969	$1.90M
Weiss Asset Management LP	117,506	$1.12M
ING Groep NV	110,000	$1.05M
Y-Intercept (Hong Kong) Ltd	78,572	$747.2K
Gsa Capital Partners LLP	72,180	$686.0K
ExodusPoint Capital Management, LP	57,671	$548.5K
Marshall Wace, LLP	55,167	$524.6K
Walleye Capital LLC	30,646	$291.4K
Fox Run Management, L.L.C.	28,190	$252.6K
Franklin Resources Inc	18,345	$174.5K
Magnetar Financial LLC	18,160	$172.7K
Atria Investments LLC	16,061	$152.7K
Susquehanna International Group, LLP	11,828	$112.5K
Quadrant Capital Group LLC	1,444	$13.7K
South Dakota Investment Council	683	$6.00K
Caption Management, LLC	571	$5.43K
Sound Income Strategies, LLC	73	$692
MAI Capital Management	72	$685
Bayban	53	$504
Root Financial Partners, LLC	22	$209
Advisory Services Network, LLC	8	$77
Twin Peaks Wealth Advisors, LLC	2	$19

Not filed for Q2 2026 yet (3)

Institutions that held Magnera Corp at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MAGN in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
CWM, LLC	2,181	$20.7K
Red Tortoise LLC	314	$2.99K
Sunbelt Securities, Inc.	20	$190