13F Insight
DOSSIER · 13F Holders · Q2 2026Basic Materials · Paper Mills
MAGN

MAGNERA CORP

193 institutions still hold MAGNERA CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 55939A107·Paper Mills·193 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$280M
visible holders
Holders
193
filers reporting
Concentration
11.73%
Newtyn Management, LLC #1
top holder share
AI Holders Summary · Q2 2026

193 institutions reported MAGN in Q2 2026. Newtyn Management, LLC leads at 11.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Newtyn Management, LLC
CIK 0001569241
$33M2.8M4.11%Q2 202602
BlackRock, Inc.
CIK 0002012383
$31M2.6M0.00%Q2 202603
LITTLEJOHN & CO LLC
CIK 0001042537
$22M1.9M28.24%Q2 202604
Engine Capital Management, LP
CIK 0001665590
$21M2.2M2.58%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$18M1.6M0.00%Q2 202606
MORGAN STANLEY
CIK 0000895421
$18M1.5M0.00%Q2 202607
Madison Avenue Partners, LP
CIK 0001801265
$15M1.3M0.66%Q2 202608
Diameter Capital Partners LP
CIK 0001727012
$14M1.2M1.14%Q2 202609
DG Capital Management, LLC
CIK 0001512716
$13M1.1M2.73%Q2 202610
D. E. Shaw & Co., Inc.
CIK 0001009207
$12M806K0.01%Q4 202511
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$10M862K0.00%Q2 202612
Clearline Capital LP
CIK 0001600136
$10M661K0.49%Q4 202513
CANYON CAPITAL ADVISORS LLC
CIK 0001074034
$10M810K1.08%Q2 202614
BDCM CT, L.L.C.
CIK 0001282197
$9M750K5.28%Q2 202515
STATE STREET CORP
CIK 0000093751
$8M672K0.00%Q2 202616
JB CAPITAL PARTNERS LP
CIK 0001138532
$8M655K1.19%Q2 202617
JPMORGAN CHASE & CO
CIK 0000019617
$7M611K0.00%Q2 202618
Verition Fund Management LLC
CIK 0001454027
$7M607K0.04%Q2 202619
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$7M600K0.00%Q2 202620
AMERIPRISE FINANCIAL INC
CIK 0000820027
$7M578K0.00%Q2 2026
Page 1 of 10
173 more holders available. Log in →
Insiders at MAGNERA CORP
Fogarty Kevin Michael →Curless Michael S →Hall Mary Dean →Marnick Samantha J. →Salmon Tom →Rickertsen Carl J →Manroa Tarun →Fahnemann Thomas →