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New Mountain Finance Corp

NMFC
Exchange
Nasdaq
SEC CIK
0001496099

No open-market purchases or sales by New Mountain Finance Corp insiders were filed in the last 90 days; 143 institutions reported holding it in 13F filings for Q2 2026, worth $200.9M in total; no superinvestor holds it.

Other share classesNMFCZ

13F holders, Q4 2025

Institutional positions in New Mountain Finance Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
171
+16 vs. Q3 2025
Shares held
33.7M
+4.35M (+14.8%) vs. Q3 2025
Total value
$310.2M
+$27.1M (+9.6%) vs. Q3 2025
New holders
44
41 more added
Sold out
28
53 more reduced

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting NMFC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 171 institutions
Q1 2021: 131 institutionsQ2 2021: 131 institutionsQ3 2021: 124 institutionsQ4 2021: 134 institutionsQ1 2022: 148 institutionsQ2 2022: 159 institutionsQ3 2022: 148 institutionsQ4 2022: 159 institutionsQ1 2023: 148 institutionsQ2 2023: 153 institutionsQ3 2023: 161 institutionsQ4 2023: 167 institutionsQ1 2024: 175 institutionsQ2 2024: 164 institutionsQ3 2024: 169 institutionsQ4 2024: 169 institutionsQ1 2025: 165 institutionsQ2 2025: 164 institutionsQ3 2025: 158 institutionsQ4 2025: 171 institutionsQ1 2026: 155 institutionsQ2 2026: 143 institutions
Value heldQ4 2025: $310.2M
Q1 2021: $391.7MQ2 2021: $409.1MQ3 2021: $403.0MQ4 2021: $406.9MQ1 2022: $422.6MQ2 2022: $378.3MQ3 2022: $361.2MQ4 2022: $406.0MQ1 2023: $389.2MQ2 2023: $406.3MQ3 2023: $423.2MQ4 2023: $438.3MQ1 2024: $445.4MQ2 2024: $440.3MQ3 2024: $424.0MQ4 2024: $391.6MQ1 2025: $363.1MQ2 2025: $328.4MQ3 2025: $284.1MQ4 2025: $310.2MQ1 2026: $215.8MQ2 2026: $200.9M
Institutions holding NMFC and their total value by quarter
QuarterHoldersValue
Q2 2026143$200.9M
Q1 2026155$215.8M
Q4 2025171$310.2M
Q3 2025158$284.1M
Q2 2025164$328.4M
Q1 2025165$363.1M
Q4 2024169$391.6M
Q3 2024169$424.0M
Q2 2024164$440.3M
Q1 2024175$445.4M
Q4 2023167$438.3M
Q3 2023161$423.2M
Q2 2023153$406.3M
Q1 2023148$389.2M
Q4 2022159$406.0M
Q3 2022148$361.2M
Q2 2022159$378.3M
Q1 2022148$422.6M
Q4 2021134$406.9M
Q3 2021124$403.0M
Q2 2021131$409.1M
Q1 2021131$391.7M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding New Mountain Finance Corp; share changes are against Q3 2025.

Institutions holding NMFC in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Spire Wealth Management45,600$420.0K0.01%+6,400+16.3%Added
CWM Advisors, LLC50,906$468.8K0.04%+4,000+8.5%Added
Geode Capital Management, LLC53,270$490.6K0.00%00.0%Unchanged
Northern Trust Corp53,911$496.5K0.00%−4,512−7.7%Reduced
Mutual Advisors, LLC55,142$507.9K0.01%−2,173−3.8%Reduced
Quadrature Capital Ltd56,578$521.1K0.01%+8,090+16.7%Added
Caxton Associates LLP58,368$537.6K0.01%+17,673+43.4%Added
Valeo Financial Advisors, LLC59,850$551.2K0.01%00.0%Unchanged
Royal Bank of Canada64,036$590.0K0.00%−31,652−33.1%Reduced
Commonwealth Equity Services, LLC68,043$626.7K0.00%−15,563−18.6%Reduced
Janney Montgomery Scott LLC77,519$714.0K0.00%−26,611−25.6%Reduced
Denali Advisors LLC78,828$726.0K0.08%−18,606−19.1%Reduced
Campbell & CO Investment Adviser LLC84,336$776.7K0.04%+41,875+98.6%Added
Wiley Bros.-Aintree Capital, LLC85,498$787.4K0.00%+52,700+160.7%Added
Virtus Investment Advisers, Inc.85,862$790.8K0.21%−12,050−12.3%Reduced
Cambridge Investment Research Advisors, Inc.87,188$803.0K0.00%−38,562−30.7%Reduced
VARCOV Co.92,610$852.9K0.34%+92,610New
Nomura Asset Management International Inc.95,300$878.0K0.00%+95,300New
HB Wealth Management, LLC101,354$933.5K0.01%+101,354New
Susquehanna International Group, LLP112,811$1.04M0.00%+97,666+644.9%Added
Neuberger Berman Group LLC114,207$1.05M0.00%−333−0.3%Reduced
Great West Life Assurance Co118,695$1.09M0.00%+4,633+4.1%Added
D. E. Shaw & Co., Inc.118,585$1.09M0.00%+81,134+216.6%Added
State Street Corp131,594$1.21M0.00%+25,400+23.9%Added
Mill Creek Capital Advisors, LLC149,000$1.37M0.03%00.0%Unchanged
Naviter Wealth, LLC157,881$1.45M0.19%−45,204−22.3%Reduced
Advisors Asset Management, Inc.178,778$1.65M0.03%−52,843−22.8%Reduced
Millennium Management LLC186,965$1.72M0.00%+186,965New
XTX Topco Ltd187,632$1.73M0.05%+187,632New
Goldman Sachs Group Inc204,933$1.89M0.00%+204,933New
Trexquant Investment LP206,344$1.90M0.02%+118,644+135.3%Added
Bank of America Corp222,126$2.05M0.00%−394,620−64.0%Reduced
LPL Financial LLC233,810$2.15M0.00%−32,560−12.2%Reduced
BI Asset Management Fondsmaeglerselskab A/S235,016$2.16M0.02%+28,387+13.7%Added
Tranquility Partners, LLC268,073$2.47M0.89%−48,598−15.3%Reduced
Two Sigma Advisers, LP275,000$2.53M0.00%−329,600−54.5%Reduced
Palisade Capital Management LLC284,699$2.62M0.08%−195,308−40.7%Reduced
Ameriprise Financial Inc292,471$2.69M0.00%+5,951+2.1%Added
GraniteShares Advisors LLC293,799$2.71M1.64%+21,843+8.0%Added
Confluence Investment Management LLC294,765$2.71M0.04%−23,461−7.4%Reduced
Colony Group, LLC317,189$2.92M0.00%+317,189New
Universal- Beteiligungs- und Servicegesellschaft mbH344,000$3.17M0.01%+134,500+64.2%Added
Russell Investments Group, Ltd.350,366$3.23M0.00%+297,722+565.5%Added
Wells Fargo & Company357,712$3.29M0.00%−71,182−16.6%Reduced
Jane Street Group, LLC390,590$3.60M0.00%+379,225+3,336.8%Added
Transcend Wealth Collective, LLC420,509$3.87M0.30%−295,284−41.3%Reduced
Advisor Group Holdings, Inc.430,731$3.97M0.01%+22,873+5.6%Added
Franklin Resources Inc455,022$4.19M0.00%−3,927−0.9%Reduced
HighTower Advisors, LLC518,232$4.77M0.01%−2,694−0.5%Reduced
Truffle Hound Capital, LLC550,000$5.07M2.96%+550,000New
Hennion & Walsh Asset Management, Inc.562,980$5.19M0.18%+82,560+17.2%Added
Closed-End Fund Advisors, Inc.586,070$5.40M3.19%+586,070New
Two Sigma Investments, LP586,617$5.40M0.01%+141,522+31.8%Added
Ares Management LLC602,575$5.55M0.32%+6,204+1.0%Added
Pathstone Holdings, LLC649,512$5.98M0.02%+338,969+109.2%Added
BlackRock, Inc.687,141$6.33M0.00%−7,752−1.1%Reduced
Sumitomo Mitsui Trust Holdings, Inc.690,497$6.36M0.00%+84,233+13.9%Added
Legal & General Group Plc742,423$6.83M0.00%+88,441+13.5%Added
CI Private Wealth, LLC808,882$7.45M0.01%+808,882New
Muzinich & Co., Inc.849,437$7.82M2.46%+178,381+26.6%Added
National Philanthropic Trust852,921$7.86M0.08%00.0%Unchanged
Cerity Partners LLC1,042,196$9.60M0.01%−1,029,828−49.7%Reduced
Morgan Stanley1,126,025$10.4M0.00%+298,892+36.1%Added
Dimension Capital Management LLC1,149,335$10.6M1.48%+16,848+1.5%Added
Invesco Ltd.1,190,357$11.0M0.00%−29,456−2.4%Reduced
Rivernorth Capital Management, LLC1,338,277$12.3M0.58%+1,338,277New
UBS Group AG1,541,128$14.2M0.00%+385,891+33.4%Added
JPMorgan Chase & Co2,038,662$18.8M0.00%+443,016+27.8%Added
Van Eck Associates Corp2,339,114$21.5M0.02%−250,684−9.7%Reduced
LSV Asset Management2,986,718$27.5M0.06%+353,062+13.4%Added
Union Bancaire Privee, UBP SA22,392––−6,420−22.3%Reduced
Kovitz Investment Group Partners, LLC0$00.00%−238,543−100.0%Sold out
Rockingstone Advisors LLC0$00.00%−186,932−100.0%Sold out
Arlington Capital Management, Inc.0$00.00%−127,521−100.0%Sold out
Dorsey & Whitney Trust CO LLC0$00.00%−112,410−100.0%Sold out
Macquarie Group Ltd0$00.00%−95,300−100.0%Sold out
Everstar Asset Management, LLC0$00.00%−82,310−100.0%Sold out
Epoch Investment Partners, Inc.0$00.00%−73,315−100.0%Sold out
Acadian Asset Management LLC0$00.00%−71,170−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−45,295−100.0%Sold out
Key Client Fiduciary Advisors, LLC0$00.00%−40,611−100.0%Sold out
Marshall Wace, LLP0$00.00%−32,273−100.0%Sold out
Zuckerman Investment Group, LLC0$00.00%−25,000−100.0%Sold out
SEI Investments Co0$00.00%−24,003−100.0%Sold out
Bard Associates Inc0$00.00%−21,996−100.0%Sold out
Wealth Enhancement Advisory Services, LLC0$00.00%−20,061−100.0%Sold out
Bank of Montreal0$00.00%−19,267−100.0%Sold out
Sanders Morris Harris LLC0$00.00%−16,375−100.0%Sold out
Truist Financial Corp0$00.00%−15,791−100.0%Sold out
Vise Technologies, Inc.0$00.00%−15,408−100.0%Sold out
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors0$00.00%−12,038−100.0%Sold out
Catalina Capital Group, LLC0$00.00%−11,220−100.0%Sold out
SG Americas Securities, LLC0$00.00%−11,216−100.0%Sold out
United Capital Financial Advisers, LLC0$00.00%−10,076−100.0%Sold out
Advisory Services Network, LLC0$00.00%−6,757−100.0%Sold out
US Bancorp0$00.00%−5,000−100.0%Sold out
Atlantic Trust, LLC0$00.00%−4,145−100.0%Sold out
Principal Securities, Inc.0$00.00%−1,004−100.0%Sold out
Barclays PLC0$00.00%−10−100.0%Sold out
WFA Asset Management Corp––––Not filed