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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, Q3 2025

Institutional positions in New Mountain Finance Corp as of Sep 30, 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
158
−4 vs. Q2 2025
Shares held
29.5M
−1.69M (−5.4%) vs. Q2 2025
Total value
$284.1M
−$44.2M (−13.5%) vs. Q2 2025
New holders
21
48 more added
Sold out
25
48 more reduced

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 158 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 heldQ3 2025: $284.1M
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, Q3 2025

Shares, value and share of portfolio for each institution holding New Mountain Finance Corp; share changes are against Q2 2025.

Institutions holding NMFC in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Mutual Advisors, LLC57,315$543.4K0.01%−2,638−4.4%Reduced
Northern Trust Corp58,423$563.2K0.00%−5,173−8.1%Reduced
Valeo Financial Advisors, LLC59,850$577.0K0.01%00.0%Unchanged
Acadian Asset Management LLC71,170$685.0K0.00%−274,756−79.4%Reduced
Epoch Investment Partners, Inc.73,315$706.8K0.00%00.0%Unchanged
Everstar Asset Management, LLC82,310$793.5K0.45%+16,732+25.5%Added
Commonwealth Equity Services, LLC83,606$806.0K0.00%−9,965−10.6%Reduced
Trexquant Investment LP87,700$845.4K0.01%−215,595−71.1%Reduced
Macquarie Group Ltd95,300$919.0K0.00%00.0%Unchanged
Royal Bank of Canada95,688$922.0K0.00%+729+0.8%Added
Wealthedge Investment Advisors, LLC96,218$927.5K0.35%−43,675−31.2%Reduced
Denali Advisors LLC97,434$939.3K0.11%−18,392−15.9%Reduced
Virtus Investment Advisers, Inc.97,912$943.9K0.27%+10,011+11.4%Added
Janney Montgomery Scott LLC104,130$1.00M0.00%−10,774−9.4%Reduced
State Street Corp106,194$1.02M0.00%+2,931+2.8%Added
Dorsey & Whitney Trust CO LLC112,410$1.08M0.06%00.0%Unchanged
Great West Life Assurance Co114,062$1.10M0.00%+18,257+19.1%Added
Neuberger Berman Group LLC114,540$1.10M0.00%−2,978−2.5%Reduced
Cambridge Investment Research Advisors, Inc.125,750$1.21M0.00%−29,754−19.1%Reduced
Arlington Capital Management, Inc.127,521$1.23M0.78%+37,722+42.0%Added
Mill Creek Capital Advisors, LLC149,000$1.44M0.03%00.0%Unchanged
Rockingstone Advisors LLC186,932$1.80M0.89%−14,720−7.3%Reduced
Naviter Wealth, LLC203,085$1.96M0.23%−2,672−1.3%Reduced
BI Asset Management Fondsmaeglerselskab A/S206,629$1.99M0.02%+6,022+3.0%Added
Universal- Beteiligungs- und Servicegesellschaft mbH209,500$2.02M0.00%00.0%Unchanged
Advisors Asset Management, Inc.231,621$2.23M0.04%+15,622+7.2%Added
Kovitz Investment Group Partners, LLC238,543$2.30M0.01%+50,066+26.6%Added
LPL Financial LLC266,370$2.57M0.00%+75,032+39.2%Added
GraniteShares Advisors LLC271,956$2.62M1.52%+23,953+9.7%Added
Ameriprise Financial Inc286,520$2.76M0.00%−1,793−0.6%Reduced
Pathstone Holdings, LLC310,543$2.99M0.01%+13,220+4.4%Added
Tranquility Partners, LLC316,671$3.05M1.03%+84,584+36.4%Added
Confluence Investment Management LLC318,226$3.07M0.04%−50,935−13.8%Reduced
Wells Fargo & Company428,894$4.13M0.00%+192,081+81.1%Added
Two Sigma Investments, LP445,095$4.29M0.01%−302,878−40.5%Reduced
Advisor Group Holdings, Inc.407,858$4.33M0.01%+13,684+3.5%Added
Franklin Resources Inc458,949$4.42M0.00%−184,484−28.7%Reduced
Palisade Capital Management LLC480,007$4.63M0.13%−14,406−2.9%Reduced
Hennion & Walsh Asset Management, Inc.480,420$4.63M0.17%+70,277+17.1%Added
HighTower Advisors, LLC520,926$5.02M0.01%+27,227+5.5%Added
Ares Management LLC596,371$5.75M0.26%00.0%Unchanged
Two Sigma Advisers, LP604,600$5.83M0.01%−449,500−42.6%Reduced
Sumitomo Mitsui Trust Holdings, Inc.606,264$5.84M0.00%+114,840+23.4%Added
Bank of America Corp616,746$5.95M0.00%+458,958+290.9%Added
Legal & General Group Plc653,982$6.30M0.00%−54,084−7.6%Reduced
Muzinich & Co., Inc.671,056$6.47M2.51%+95,582+16.6%Added
BlackRock, Inc.694,893$6.70M0.00%+90,105+14.9%Added
Transcend Wealth Collective, LLC715,793$6.90M0.49%+1,689+0.2%Added
Morgan Stanley827,133$7.97M0.00%−6,218−0.7%Reduced
National Philanthropic Trust852,921$8.22M0.09%00.0%Unchanged
Dimension Capital Management LLC1,132,487$10.9M1.59%+182,415+19.2%Added
UBS Group AG1,155,237$11.1M0.00%−99,354−7.9%Reduced
Invesco Ltd.1,219,813$11.8M0.00%+190,152+18.5%Added
JPMorgan Chase & Co1,595,646$15.4M0.00%+363,443+29.5%Added
Cerity Partners LLC2,072,024$20.0M0.03%−697,027−25.2%Reduced
Van Eck Associates Corp2,589,798$25.0M0.02%+115,004+4.6%Added
LSV Asset Management2,633,656$25.4M0.06%−129,600−4.7%Reduced
Union Bancaire Privee, UBP SA28,812––00.0%Unchanged
Millennium Management LLC0$00.00%−402,565−100.0%Sold out
Prevail Innovative Wealth Advisors, LLC0$00.00%−182,461−100.0%Sold out
Midwest Professional Planners, LTD.0$00.00%−150,065−100.0%Sold out
Merit Financial Group, LLC0$00.00%−143,499−100.0%Sold out
HRT Financial LP0$00.00%−82,335−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−48,060−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−36,643−100.0%Sold out
PharVision Advisers, LLC0$00.00%−35,877−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−33,098−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−28,425−100.0%Sold out
MQS Management LLC0$00.00%−21,633−100.0%Sold out
Jump Financial, LLC0$00.00%−20,552−100.0%Sold out
Essex Financial Services, Inc.0$00.00%−19,108−100.0%Sold out
Quantbot Technologies LP0$00.00%−18,859−100.0%Sold out
XTX Topco Ltd0$00.00%−16,302−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−14,772−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−13,623−100.0%Sold out
Quarry LP0$00.00%−11,846−100.0%Sold out
Mercer Global Advisors Inc0$00.00%−10,698−100.0%Sold out
Arete Wealth Advisors, LLC0$00.00%−10,096−100.0%Sold out
UBS Asset Management Americas Inc0$00.00%−1,306−100.0%Sold out
Thurston, Springer, Miller, Herd & Titak, Inc.0$00.00%−329−100.0%Sold out
IFP Advisors, Inc0$00.00%−297−100.0%Sold out
Whipplewood Advisors, LLC0$00.00%−118−100.0%Sold out
Elequin Capital LP0$00.00%−3−100.0%Sold out
Graypoint LLC––––Not filed
First Horizon Advisors, Inc.––––Not filed