Magnera MAGN Institutional Ownership

NYSE MAGN

$11.88 +0.68 (+6.07%)

As of: Oct 22, 2026 · 3:59 PM EDT

Institutions by Trading Activity

176 Institutions

Increased 94 53.4%

Unchanged 40 22.7%

Reduced 42 23.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

36.00Mn

of 35.90Mn outstanding

▲+0.40% QoQ

Shares Outstanding

35.90Mn

Institutional Investors

176

filed 13F for Jun 2026

▲+3 vs prior quarter

Net Shares Added (QoQ)

+142.38K

accumulated since last quarter

Value of Holdings

$402.87Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 10, 2026

Magnera Corp (NYSE:MAGN) counted 176 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

Total holdings of MAGN shares rose 0.40% from Q1 2026, and the holder count fell 3.30% from Q2 2025.
Looking at the 176 holders of MAGN individually, 94 added to their positions, 42 reduced their stakes and 40 left their positions unchanged.
Altogether, institutional holders owned 36Mn MAGN shares at the end of Q2 2026, up 142.38K from the prior quarter and up 276.24K from a year earlier.
As of June 30, 2026, the biggest holder of Magnera was Newtyn Management, LLC with 2.8Mn shares.
The biggest increases in MAGN positions during Q2 2026 came from American Century Companies Inc (+378.86K shares), AQR Capital Management LLC (+333.97K shares), Dimensional Fund Advisors LP (+317.44K shares), UBS Group AG (+212.79K shares) and BlackRock, Inc. (+206.57K shares).
Holders that trimmed the most shares of Magnera in Q2 2026 while keeping a position were Littlejohn & Co LLC (-536.73K shares), Morgan Stanley (-433.64K shares), Madison Avenue Partners, LP (-288.55K shares), JPMorgan Chase & Co (-217.93K shares) and Russell Investments Group, Ltd. (-202.84K shares).
Per Business Quant, the top 10 investors in MAGN for the quarter ended June 30, 2026 were Newtyn Management, LLC (2.8Mn shares), BlackRock, Inc. (2.6Mn shares), Engine Capital Management, LP (2.24Mn shares), Littlejohn & Co LLC (1.89Mn shares), Vanguard Capital Management LLC (1.56Mn shares), Morgan Stanley (1.53Mn shares), Madison Avenue Partners, LP (1.3Mn shares), Diameter Capital Partners LP (1.21Mn shares), DG Capital Management, LLC (1.1Mn shares) and Geode Capital Management, LLC (862.38K shares).

Form 13F Holdings

178 Institutional Holders

Report period 30 Jun, 2026

Total shares held 36.00Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Newtyn Management, LLC	0001569241	2,800,000	7.80%	▲40,000	+1.45%	$32.90Mn
2	BlackRock, Inc.	0002012383	2,596,578	7.23%	▲206,571	+8.64%	$30.51Mn
3	Engine Capital Management, LP	0001665590	2,243,827	6.25%	0	0.00%	$26.36Mn
4	LITTLEJOHN & CO LLC	0001042537	1,889,088	5.26%	▼536,730	-22.13%	$22.20Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,563,111	4.35%	▲29,834	+1.95%	$18.37Mn
6	Morgan Stanley	0000895421	1,534,193	4.27%	▼433,638	-22.04%	$18.03Mn
7	Madison Avenue Partners, LP	0001801265	1,302,066	3.63%	▼288,550	-18.14%	$15.30Mn
8	Diameter Capital Partners LP	0001727012	1,205,793	3.36%	0	0.00%	$14.17Mn
9	DG Capital Management, LLC	0001512716	1,101,476	3.07%	▼105,880	-8.77%	$12.94Mn
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	862,384	2.40%	▲82,126	+10.53%	$10.14Mn
11	CANYON CAPITAL ADVISORS LLC	0001074034	810,000	2.26%	0	0.00%	$9.52Mn
12	D. E. Shaw & Co., Inc.	0001009207	789,745	2.20%	▼106,470	-11.88%	$9.28Mn
13	Clearline Capital LP	0001600136	741,096	2.06%	▲2,779	+0.38%	$8.71Mn
14	State Street Corp	0000093751	671,927	1.87%	▲15,059	+2.29%	$7.90Mn
15	JB CAPITAL PARTNERS LP	0001138532	655,000	1.82%	0	0.00%	$7.70Mn
16	THOMPSON SIEGEL & WALMSLEY LLC	0001008322	649,806	1.81%	▲75,542	+13.15%	$7.64K
17	Jpmorgan Chase & Co	0000019617	610,865	1.70%	▼217,934	-26.30%	$7.24Mn
18	Verition Fund Management LLC	0001454027	607,303	1.69%	▲175,000	+40.48%	$7.14Mn
19	JACOBS LEVY EQUITY MANAGEMENT, INC	0000884414	601,599	1.68%	▲76,709	+14.61%	$7.07Mn
20	AMERICAN CENTURY COMPANIES INC	0000748054	599,991	1.67%	▲378,858	+171.33%	$7.05Mn

Showing 1 to 20 of 178 holders