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New Mountain Finance Corp (NMFC)

CUSIP: 647551100 | NYSE | Financial Services · Asset Management | Small Cap | 699 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
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Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13D/AKlinsky Steven B
with Steven B. Klinsky 2024 Revocable Trust (2024 Trust 1), Steven B. Klinsky 2024 Revocable Trust (2024 Trust 2), Steven B. Klinsky 2008 Long Term Trust, +3 more
12,330,15412.5%+1,175,273Mar 10, 20263906d ahead of 13F (3,421,575 sh) · +8,908,579
13D/AKlinsky Steven B12,330,154
12.5% of class · Mar 10, 2026+1,175,273
with Steven B. Klinsky 2024 Revocable Trust (2024 Trust 1), Steven B. Klinsky 2024 Revocable Trust (2024 Trust 2), Steven B. Klinsky 2008 Long Term Trust, +3 more
3906d ahead of 13F (3,421,575 sh) · +8,908,579

Institutional Holders — Q3 2026

Muzinich & Co., Inc.878,605
2.0% of portfolio›$6.1M
Sumitomo Mitsui Trust Group, Inc.688,578
0.0% of portfolio›$4.8M
Hennion & Walsh Asset Management, Inc.389,692
0.1% of portfolio›$2.7M
GraniteShares Advisors LLC387,410
1.8% of portfolio›$2.7M
Tranquility Partners, LLC290,807
0.7% of portfolio›$2.0M
Confluence Investment Management LLC283,303
0.0% of portfolio›$2.0M
Farther Finance Advisors, LLC147,836
0.0% of portfolio›$1.0M
Cambridge Investment Research Advisors, Inc.93,868
0.0% of portfolio›$650
BI Asset Management Fondsmaeglerselskab A/S49,728
0.0% of portfolio›$344
State of Wyoming48,784
0.0% of portfolio›$337.6K
Concurrent Investment Advisors, LLC46,433
0.0% of portfolio›$321.3K
Spire Wealth Management45,600
0.0% of portfolio›$315.6K
Nordwand Advisors, LLC41,800
0.0% of portfolio›$289.3K
MacKenzie Financial Corp33,511
0.0% of portfolio›$231.9K
Oppenheimer & Co Inc30,992
0.0% of portfolio›$214.5K
First Affirmative Financial Network29,135
0.0% of portfolio›$201.6K
Generali Investments CEE, investicni spolecnost, a.s.25,251
0.0% of portfolio›$181.1K
SMH Capital Advisors Inc25,169
0.7% of portfolio›$174.2K
Catalyst Capital Advisors LLC25,169
0.0% of portfolio›$174.2K
CenterStar Asset Management, LLC24,400
0.0% of portfolio›$169.2K
International Assets Investment Management, LLC21,121
0.0% of portfolio›$148.5K
Genesee Capital Advisors, LLC20,141
0.0% of portfolio›$139.4K
HB Wealth Management, LLC19,481
0.0% of portfolio›$134.8K
Apella Capital, LLC17,525
0.0% of portfolio›$118.1K
Glenview Trust Co17,500
0.0% of portfolio›$121.1K
Closed-End Fund Advisors, Inc.17,367
0.1% of portfolio›$120.2K
Sanders Morris Harris LLC16,375
0.0% of portfolio›$114.3K
StoneX Group Inc.15,235
0.0% of portfolio›$109.0K
ProShare Advisors LLC14,330
0.0% of portfolio›$99.2K
Creative Planning13,858
0.0% of portfolio›$95.9K
Verity & Verity, LLC10,000
0.0% of portfolio›$69.2K
Simplex Trading, LLC9,165
0.0% of portfolio›$63.4K
Wilmington Savings Fund Society, FSB6,000
0.0% of portfolio›$41.5K
Union Bancaire Privee, UBP SA5,193
0.1% of portfolio›$5.7M
State of Alaska, Department of Revenue3,950
0.0% of portfolio›$27
Summit Securities Group LLC3,238
0.0% of portfolio›$22.4K
Signaturefd, LLC1,039
0.0% of portfolio›$7.2K
First Horizon Corp1,000
0.0% of portfolio›$6.9K
Cassaday & Co Wealth Management LLC500
0.0% of portfolio›$3.5K
Bank & Trust Co422
0.0% of portfolio›$2.9K
EverSource Wealth Advisors, LLC308
0.0% of portfolio›$2.1K
Parallel Advisors, LLC300
0.0% of portfolio›$2.1K
Larson Financial Group LLC293
0.0% of portfolio›$2.0K
Community Financial Services Group, LLC200
0.0% of portfolio›$1.4K
Compass Financial Management LLC104
0.0% of portfolio›$720
Caitong International Asset Management Co., Ltd63
0.0% of portfolio›$436
Citigroup Inc5
0.0% of portfolio›$35
StyleTurnoverLocationFiled
Muzinich & Co., Inc.
878,605$6.1M2.0%YieldVery LowNew York, NY2026-10-22
Sumitomo Mitsui Trust Group, Inc.
688,578$4.8M0.0%IndexVery LowChiyoda-Ku, Tokyo, Mexico2026-10-29
Hennion & Walsh Asset Management, Inc.
389,692$2.7M0.1%ValueMediumParsippany, NJ2026-10-13
GraniteShares Advisors LLC
387,410$2.7M1.8%YieldMediumNew York, NY2026-10-29
Tranquility Partners, LLC
290,807$2.0M0.7%CoreLowBrentwood, TN2026-10-20
Confluence Investment Management LLC
283,303$2.0M0.0%ValueMediumSt. Louis, MO2026-10-01
Farther Finance Advisors, LLC
147,836$1.0M0.0%IndexLowSan Francisco, CA2026-10-08
Cambridge Investment Research Advisors, Inc.
93,868$6500.0%ETFLowFairfield, IA2026-11-02
BI Asset Management Fondsmaeglerselskab A/S
49,728$3440.0%CoreMediumKobenhavn, Greece2026-10-22
State of Wyoming
48,784$337.6K0.0%ValueHighCheyenne, WY2026-10-28
Concurrent Investment Advisors, LLC
46,433$321.3K0.0%GrowthMediumTampa, FL2026-10-16
Spire Wealth Management
45,600$315.6K0.0%GrowthMediumMclean, VA2026-10-30
Nordwand Advisors, LLC
41,800$289.3K0.0%CoreLowRadnor, PA2026-11-05
MacKenzie Financial Corp
33,511$231.9K0.0%CoreMediumToronto Ontario, Australia2026-11-02
Oppenheimer & Co Inc
30,992$214.5K0.0%CoreLowNew York, NY2026-10-26
First Affirmative Financial Network
29,135$201.6K0.0%CoreN/AColorado Springs, CO2026-10-21
Generali Investments CEE, investicni spolecnost, a.s.
25,251$181.1K0.0%CoreLowPrague, Bahrain2026-10-15
SMH Capital Advisors Inc
25,169$174.2K0.7%YieldMediumFort Worth, TX2026-10-29
Catalyst Capital Advisors LLC
25,169$174.2K0.0%ETFVery LowSan Juan, PR2026-11-02
CenterStar Asset Management, LLC
24,400$169.2K0.0%Agg GrowthVery HighChicago, IL2026-10-09
International Assets Investment Management, LLC
21,121$148.5K0.0%CoreVery HighOrlando, FL2026-11-02
Genesee Capital Advisors, LLC
20,141$139.4K0.0%ETFMediumAuburn, NY2026-10-20
HB Wealth Management, LLC
19,481$134.8K0.0%IndexVery LowAtlanta, GA2026-10-23
Apella Capital, LLC
17,525$118.1K0.0%ETFVery LowWest Hartford, CT2026-10-08
Glenview Trust Co
17,500$121.1K0.0%GrowthVery LowLouisville, KY2026-10-28
Closed-End Fund Advisors, Inc.
17,367$120.2K0.1%YieldMediumRichmond, VA2026-11-04
Sanders Morris Harris LLC
16,375$114.3K0.0%GARPLowHouston, TX2026-10-14
StoneX Group Inc.
15,235$109.0K0.0%ETFMediumNew York, NY2026-11-03
ProShare Advisors LLC
14,330$99.2K0.0%GrowthLowBethesda, MD2026-10-29
Creative Planning
13,858$95.9K0.0%IndexVery LowOverland Park, KS2026-11-02
Verity & Verity, LLC
10,000$69.2K0.0%YieldLowBeaufort, SC2026-10-23
Simplex Trading, LLC
9,165$63.4K0.0%CoreVery HighChicago, IL2026-11-04
Wilmington Savings Fund Society, FSB
6,000$41.5K0.0%CoreLowWilmington, DE2026-10-23
Union Bancaire Privee, UBP SA
5,193$5.7M0.1%GrowthMediumGeneva 1, Switzerland2026-11-04
State of Alaska, Department of Revenue
3,950$270.0%CoreVery LowJuneau, AK2026-10-15
Summit Securities Group LLC
3,238$22.4K0.0%CoreVery HighNew York, NY2026-11-05
Signaturefd, LLC
1,039$7.2K0.0%IndexLowAtlanta, GA2026-10-23
First Horizon Corp
1,000$6.9K0.0%CoreLowMemphis, TN2026-10-26
Cassaday & Co Wealth Management LLC
500$3.5K0.0%ETFVery LowMclean, VA2026-10-27
Bank & Trust Co
422$2.9K0.0%ValueVery LowLitchfield, IL2026-10-07
EverSource Wealth Advisors, LLC
308$2.1K0.0%CoreMediumBirmingham, AL2026-11-04
Parallel Advisors, LLC
300$2.1K0.0%IndexLowSan Francisco, CA2026-11-03
Larson Financial Group LLC
293$2.0K0.0%GrowthLowSt Louis, MO2026-11-05
Community Financial Services Group, LLC
200$1.4K0.0%GrowthLowNewport, VT2026-10-15
Compass Financial Management LLC
104$7200.0%CoreN/ATampa, FL2026-10-30
Caitong International Asset Management Co., Ltd
63$4360.0%GrowthVery HighHong Kong, South Korea2026-10-29
Citigroup Inc
5$350.0%CoreMediumNew York, NY2026-11-04