NEW MOUNTAIN FINANCE CORP (NMFC) Institutional Ownership Changes & 13F Activity

NEW MOUNTAIN FINANCE CORP (NMFC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Rivernorth Capital Management, Llc, Dimension Capital Management Llc, Corient Private Wealth Llc, Two Sigma Investments, Lp, and Osaic Holdings, Inc..

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Neuberger Berman Group LlcSell-333-0.3%114,207$1.05MQ4 2025Oct 27, 2026
Advisors Asset Management, Inc.Sell-231,621-100.0%0$0.00Q4 2025Aug 26, 2026
Fund Advisors Of America Inc/FlBuy+21,537—21,537$198.35KQ4 2025Mar 13, 2026
Chelsea Counsel CoBuy+340—340$3.13KQ4 2025Feb 24, 2026
Virtu Financial LlcBuy+21,914—21,914$202.00KQ4 2025Feb 23, 2026
Corient Private Wealth LlcBuy+808,882—808,882$7.45MQ4 2025Feb 19, 2026
Mackenzie Financial CorpBuy+32,358—32,358$297.11KQ4 2025Feb 18, 2026
Raymond James Financial IncBuy+24,765—24,765$228.08KQ4 2025Feb 18, 2026
Mercer Global Advisors IncBuy+15,847—15,847$145.95KQ4 2025Feb 18, 2026
Newedge Advisors, LlcBuy+1,697—1,697$15.63KQ4 2025Feb 18, 2026
Rivernorth Capital Management, LlcBuy+1,338,277—1,338,277$12.33MQ4 2025Feb 17, 2026
Dimension Capital Management LlcBuy+1,149,335—1,149,335$10.59MQ4 2025Feb 17, 2026
Two Sigma Investments, LpBuy+586,617—586,617$5.40MQ4 2025Feb 17, 2026
Osaic Holdings, Inc.Buy+430,731—430,731$3.97MQ4 2025Feb 17, 2026
Russell Investments Group, Ltd.Buy+350,366—350,366$3.23MQ4 2025Feb 17, 2026
Ameriprise Financial IncBuy+292,471—292,471$2.69MQ4 2025Feb 17, 2026
Palisade Capital Management, LpBuy+284,699—284,699$2.62MQ4 2025Feb 17, 2026
Two Sigma Advisers, LpBuy+275,000—275,000$2.53MQ4 2025Feb 17, 2026
Bank Of America CorpBuy+222,126—222,126$2.05MQ4 2025Feb 17, 2026
Trexquant Investment LpBuy+206,344—206,344$1.90MQ4 2025Feb 17, 2026
Xtx Topco LtdBuy+187,632—187,632$1.73MQ4 2025Feb 17, 2026
Millennium Management LlcBuy+186,965—186,965$1.72MQ4 2025Feb 17, 2026
D. E. Shaw & Co., Inc.Buy+118,585—118,585$1.09MQ4 2025Feb 17, 2026
Susquehanna International Group, LlpBuy+112,811—112,811$1.04MQ4 2025Feb 17, 2026
Nomura Asset Management International Inc.Buy+95,300—95,300$878.00KQ4 2025Feb 17, 2026
Varcov Co.Buy+92,610—92,610$852.94KQ4 2025Feb 17, 2026
Virtus Investment Advisers, LlcBuy+85,862—85,862$790.79KQ4 2025Feb 17, 2026
&PartnersBuy+85,498—85,498$787.44KQ4 2025Feb 17, 2026
Royal Bank Of CanadaBuy+64,036—64,036$590.00KQ4 2025Feb 17, 2026
Quadrature Capital LtdBuy+56,578—56,578$521.08KQ4 2025Feb 17, 2026
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Frequently asked questions about NMFC activity

  • Which institutional owners are buying NMFC?

    Institutional owners buying NMFC 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 NMFC activity?

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

  • Is institutional interest in NMFC increasing?

    Institutional interest in NMFC 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.