MAGNERA CORPORATION (MAGN) Institutional Ownership Changes & 13F Activity

MAGNERA CORPORATION (MAGN). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Ameriprise Financial Inc, Littlejohn & Co Llc, Aqr Capital Management Llc, Madison Avenue Partners, Lp, and Assenagon Asset Management S.A..

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Citadel Advisors LlcSell-179,534-57.0%135,285$1.59MQ2 2026Sep 02, 2026
California State Teachers Retirement SystemSell-1,275-73.7%454$5.33KQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Sell-183,468-24.7%558,957$6.57MQ2 2026Aug 21, 2026
Mercer Global Advisors IncBuy+12,38712,387$145.55KQ2 2026Aug 19, 2026
Littlejohn & Co LlcSell-536,730-22.1%1,889,088$22.20MQ2 2026Aug 17, 2026
Empowered Funds, LlcBuy+7,721+5.8%141,758$1.67MQ2 2026Aug 17, 2026
Public Employees Retirement System Of OhioBuy+4,584+8.7%57,275$672.98KQ2 2026Aug 17, 2026
Ameriprise Financial IncBuy+578,498578,498$6.80MQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+333,970+229.4%479,549$5.63MQ2 2026Aug 14, 2026
Madison Avenue Partners, LpSell-288,550-18.1%1,302,066$15.30MQ2 2026Aug 14, 2026
Verition Fund Management LlcBuy+175,000+40.5%607,303$7.14MQ2 2026Aug 14, 2026
Tudor Investment Corp Et AlSell-121,755-45.2%147,495$1.73MQ2 2026Aug 14, 2026
Trexquant Investment LpSell-112,128-39.0%175,176$2.06MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Sell-106,470-11.9%789,745$9.28MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+99,71499,714$1.17MQ2 2026Aug 14, 2026
Castleknight Management LpBuy+98,600+53.7%282,095$3.31MQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Buy+81,31081,310$955.39KQ2 2026Aug 14, 2026
Jacobs Levy Equity Management, IncBuy+76,709+14.6%601,599$7.07MQ2 2026Aug 14, 2026
Gratia Capital, LlcSell-74,755-24.9%224,872$2.64MQ2 2026Aug 14, 2026
Engineers Gate Manager LpSell-72,187-59.4%49,240$578.57KQ2 2026Aug 14, 2026
Thrivent Financial For LutheransBuy+71,44971,449$840.00KQ2 2026Aug 14, 2026
Newtyn Management, LlcBuy+40,000+1.4%2,800,000$32.90MQ2 2026Aug 14, 2026
Squarepoint Ops LlcBuy+39,394+22.1%217,272$2.55MQ2 2026Aug 14, 2026
State Of Wisconsin Investment BoardSell-38,000-18.7%164,888$1.94MQ2 2026Aug 14, 2026
J. Goldman & Co LpBuy+37,708+9.7%424,989$4.99MQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncSell-30,386-6.7%423,311$4.97MQ2 2026Aug 14, 2026
Odyssean, LlcBuy+30,23630,236$355.27KQ2 2026Aug 14, 2026
Man Group PlcBuy+21,740+11.7%207,170$2.43MQ2 2026Aug 14, 2026
Brevan Howard Capital Management LpBuy+21,21621,216$249.29KQ2 2026Aug 14, 2026
Aristeia Capital, L.L.C.Buy+18,96618,966$222.85KQ2 2026Aug 14, 2026
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Frequently asked questions about MAGN activity

  • Which institutional owners are buying MAGN?

    Institutional owners buying MAGN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MAGN activity?

    "Buy" means an investor increased their reported position in MAGN compared to the prior reporting period. This reflects growing exposure to MAGNERA CORPORATION (MAGN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MAGN increasing?

    Institutional interest in MAGN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.