Magnera MAGN Institutional Ownership

NYSE MAGN

$11.72 -0.22 (-1.80%)

As of: Sep 9, 2026 · 10:36 AM EDT

Institutions by Trading Activity

179 Institutions

Increased 95 53.1%

Unchanged 41 22.9%

Reduced 43 24.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

101.47%

▲+1.45 pp QoQ

Shares Held by Institutions

36.43Mn

of 35.90Mn outstanding

▲+3.82% QoQ

Shares Outstanding

35.90Mn

-526.38K held outside 13F filers

Institutional Investors

179

filed 13F for Jun 2026

▲+4 vs prior quarter

Net Shares Added (QoQ)

+1.34Mn

accumulated since last quarter

Value of Holdings

$456.79Mn

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

Quarter ending 30 Jun, 2026

Magnera Corp (NYSE:MAGN) is held by 179 institutional investors per 13F filings through June 2026.

Collectively, these holders controlled 101.5% of Magnera's outstanding shares in June 2026, up from 100.0% in March 2026.
They increased total shares held in Magnera by 3.82% from the prior quarter, while the number of investors in MAGN decreased 4.28% year over year.
Of these 179 holders, 95 added to their stakes in Magnera, 43 trimmed positions, and 41 made no changes.
Institutional investors collectively held 36.43Mn shares in Magnera as of June 2026, up by 1.34Mn shares quarter on quarter, and down 212.8K shares year over year.
As of June 30, 2026, Newtyn Management, LLC held the largest stake in Magnera with 2.8Mn shares, accounting for 7.8% of total shares outstanding.
The most significant purchases of MAGN for the quarter ending June 2026 came from Sixth Street Partners Management Company, L.P. (423.31K), SG Americas Securities, LLC (397.52K), AMERICAN CENTURY COMPANIES INC (378.86K), AQR CAPITAL MANAGEMENT LLC (333.97K), DIMENSIONAL FUND ADVISORS LP (317.44K).
Leading sellers of Magnera shares for the quarter ending June 2026 were LITTLEJOHN & CO LLC (536.73K), Morgan Stanley (433.64K), Madison Avenue Partners, LP (288.55K), Jpmorgan Chase & Co (217.93K), Russell Investments Group, Ltd. (202.84K).
Business Quant data shows the 10 biggest positions in Magnera as of June 2026 are held by Newtyn Management, LLC (2.8Mn), BlackRock, Inc. (2.6Mn), Engine Capital Management, LP (2.24Mn), LITTLEJOHN & CO LLC (1.89Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.56Mn), Morgan Stanley (1.53Mn), Madison Avenue Partners, LP (1.3Mn), Diameter Capital Partners LP (1.21Mn), DG Capital Management, LLC (1.1Mn), GEODE CAPITAL MANAGEMENT, LLC (862.38K).

Form 13F Holdings

179 Institutional Holders

Report period 30 Jun, 2026

Total shares held 36.43Mn

Of outstanding 101.47%

#	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 179 holders