New Mountain Finance Corp (NMFC) shareholders
NMFCNasdaqFiscal year ends December 31Also trades as NMFCZ
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 2, 2026Score 11/3075% below fair value
$6.77−0.07 (-1.02%)
Close on Nov 11, 2026Market cap $639.44MP/E –Yield 18.91%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
28M
Shares held, 13F filers
Institutional holders
144
18 new, 26 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
20 buys · 1 sales
Net bought $11.99M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Klinsky Steven B Joint filing with Steven B. Klinsky 2024 Revocable Trust (2024 Trust 1) (5.45%) | 12,330,154 | 12.52% | 13D (active) amendment | Mar 10, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of NMFC | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Lsv Asset Management | 3,000,718 | – | $21.52M | −21,400 | 0.04% |
| UBS Group AG | 2,477,549 | – | $17.76M | +386,273 | 0.00% |
| Van Eck Associates Corp | 2,145,047 | – | $15.38M | +348,872 | 0.01% |
| Invesco Ltd. | 1,557,647 | – | $11.17M | −582,030 | 0.00% |
| Russell Investments Group, Ltd. | 1,383,171 | – | $9.92M | +444,492 | 0.01% |
| Dimension Capital Management LLC | 1,223,088 | – | $8.77M | +66,547 | 1.03% |
| Corient Private Wealth LLC | 1,125,657 | – | $8.07M | +254,361 | 0.01% |
| Cerity Partners LLC | 856,875 | – | $6.14M | −15,969 | 0.01% |
| National Philanthropic Trust | 852,921 | – | $6.12M | – | 0.09% |
| Muzinich & Co., Inc. | 850,170 | – | $6.10M | +1,252 | 2.08% |
| Pathstone Holdings, LLC | 824,801 | – | $5.91M | +163,582 | 0.02% |
| Legal & General Group Plc | 806,368 | – | $5.77M | +20,872 | 0.00% |
| Morgan Stanley | 783,530 | – | $5.62M | +53,592 | 0.00% |
| Two Sigma Investments, LP | 707,346 | – | $5.07M | −129,111 | 0.00% |
| Sumitomo Mitsui Trust Holdings, Inc. | 688,578 | – | $4.94M | – | 0.00% |
| Osaic Holdings, Inc. | 492,179 | – | $3.53M | +41,709 | 0.00% |
| Hennion & Walsh Asset Management, Inc. | 483,324 | – | $3.47M | −29,761 | 0.10% |
| HighTower Advisors, LLC | 423,799 | – | $3.04M | +67 | 0.00% |
| Focus Partners Wealth | 417,618 | – | $2.99M | +82,833 | 0.00% |
| BlackRock, Inc. | 347,029 | – | $2.49M | −5,213 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|
| Q2 2026 | 144 | 28M | 18 / 46 | 40 / 26 | 3M | 3M |
| Q1 2026 | 155 | 28M | 23 / 35 | 55 / 34 | 4M | 10M |
| Q4 2025 | 170 | 35M | 44 / 40 | 53 / 29 | 9M | 6M |
| Q3 2025 | 158 | 31M | 21 / 47 | 49 / 25 | 4M | 4M |
| Q2 2025 | 164 | 31M | 27 / 52 | 52 / 28 | 3M | 5M |
| Q1 2025 | 165 | 33M | 19 / 57 | 51 / 22 | 4M | 6M |
| Q4 2024 | 169 | 35M | 28 / 55 | 51 / 25 | 4M | 6M |
| Q3 2024 | 169 | 37M | 27 / 46 | 55 / 18 | 3M | 3M |
| Q2 2024 | 164 | 37M | 16 / 68 | 34 / 27 | 2M | 6M |
| Q1 2024 | 175 | 41M | 28 / 60 | 43 / 19 | 5M | 2M |
| Q4 2023 | 167 | 38M | 25 / 58 | 45 / 16 | 7M | 1M |
| Q3 2023 | 161 | 33M | 22 / 52 | 47 / 14 | 2M | 2M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
17 funds held NMFC in Q2 2026, 88% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of NMFC | Value | % of fund | As of |
|---|---|---|---|---|---|
| Invesco KBW High Dividend Yield Financial ETF | 2,159,224 | – | $17.27M | 4.05% | May 31, 2026 |
| VanEck BDC Income ETF | 1,661,803 | – | $11.92M | 0.73% | Jun 30, 2026 |
| GraniteShares HIPS U.S. High Income ETF | 303,327 | – | $2.17M | 1.98% | Jun 30, 2026 |
| Mercer US Small/Mid Cap Equity Fund | 199,800 | – | $1.43M | 0.08% | Jun 30, 2026 |
| FT Confluence BDC & Specialty Finance Income ETF | 196,789 | – | $1.57M | 4.59% | May 31, 2026 |
| LSV Small Cap Value Fund | 178,000 | – | $1.23M | 0.17% | Jul 31, 2026 |
| Optimum Small-Mid Cap Value Fund | 95,300 | – | $683.30K | 0.08% | Jun 30, 2026 |
| Virtus Private Credit Strategy ETF | 67,254 | – | $463.38K | 1.53% | Jul 31, 2026 |
| Fidelity Nasdaq Composite Index Fund | 53,270 | – | $426.16K | 0.00% | May 31, 2026 |
| RiverNorth Active Income ETF | 28,603 | – | $197.07K | 0.50% | Jul 31, 2026 |
| Catalyst/SMH Total Return Income Fund | 25,169 | – | $180.46K | 0.86% | Jun 30, 2026 |
| Siit Small Cap Fund | 22,900 | – | $183.20K | 0.09% | May 31, 2026 |
| ProShares Global Listed Private Equity ETF | 16,309 | – | $130.47K | 1.17% | May 31, 2026 |
| SIMT Small Cap Value Fund | 10,331 | – | $74.07K | 0.02% | Jun 30, 2026 |
| LSV Global Managed Volatility Fund | 3,500 | – | $24.12K | 0.22% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| John R. Kline | CEO, President and Director | 389,685 | Sep 11, 2026 |
| Adam B. Weinstein | EVP, CAO and Director | 751,756 | Mar 18, 2026 |
| Laura C. Holson Boswerger | COO | 81,030 | Mar 2, 2026 |
| Kris Corbett | CFO and Treasurer | 9,750 | Aug 11, 2025 |
| John P. Malfettone | Director | 0 | Jun 16, 2026 |
| Steven B. Klinsky | Director, 10% owner | 2,436,934 | Mar 12, 2026 |
| David Ogens | Director | 257,556 | Mar 4, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| John P. Malfettone Director | Jun 15, 2026 | Sale | −77,500 | $7.89 | $611.48K | 0 |
| John R. Kline CEO, President and Director | Jun 10, 2026 | Inheritance | +2,000 | – | – | 389,685 |
| Adam B. Weinstein EVP, CAO and Director | Mar 17, 2026 | Buy | +12,900 | $7.61 | $98.17K | 751,756 |
| Steven B. Klinsky Director, 10% owner | Mar 11, 2026 | Buy | +92,080 | $8.05 | $741.24K | 1,465,110 |
| Steven B. Klinsky Director, 10% owner | Mar 11, 2026 | Buy | +184,162 | $8.05 | $1.48M | 5,370,858 |
| Steven B. Klinsky Director, 10% owner | Mar 10, 2026 | Buy | +74,586 | $8.05 | $600.42K | 1,373,030 |
| Steven B. Klinsky Director, 10% owner | Mar 10, 2026 | Buy | +149,172 | $8.05 | $1.20M | 5,186,696 |
| Steven B. Klinsky Director, 10% owner | Mar 5, 2026 | Buy | +79,291 | $8.10 | $642.26K | 1,298,444 |
| Steven B. Klinsky Director, 10% owner | Mar 5, 2026 | Buy | +158,582 | $8.10 | $1.28M | 5,037,524 |
| Steven B. Klinsky Director, 10% owner | Mar 4, 2026 | Buy | +124,604 | $8.17 | $1.02M | 4,878,942 |
| Steven B. Klinsky Director, 10% owner | Mar 4, 2026 | Buy | +62,301 | $8.17 | $509.00K | 1,219,153 |
| Steven B. Klinsky Director, 10% owner | Mar 3, 2026 | Buy | +83,498 | $7.94 | $662.97K | 1,156,852 |
| Steven B. Klinsky Director, 10% owner | Mar 3, 2026 | Buy | +166,997 | $7.94 | $1.33M | 4,754,338 |
| David Ogens Director | Mar 3, 2026 | Buy | +2,400 | $7.86 | $18.86K | 241,556 |
| David Ogens Director | Mar 3, 2026 | Buy | +10,100 | $7.87 | $79.49K | 239,156 |
| Steven B. Klinsky Director | Mar 2, 2026 | Buy | +62,242 | $7.79 | $484.87K | 1,073,354 |
| Steven B. Klinsky Director | Mar 2, 2026 | Buy | +124,483 | $7.79 | $969.72K | 4,587,341 |
| Adam B. Weinstein EVP, CAO and Director | Mar 2, 2026 | Buy | +3,307 | $7.73 | $25.56K | 738,856 |
| Steven B. Klinsky Director | Feb 27, 2026 | Buy | +46,001 | $7.69 | $353.75K | 1,011,112 |
| Steven B. Klinsky Director | Feb 27, 2026 | Buy | +92,001 | $7.69 | $707.49K | 4,462,858 |
| Adam B. Weinstein EVP, CAO and Director | Feb 27, 2026 | Buy | +38,400 | $7.76 | $297.98K | 735,549 |
| Laura C. Holson Boswerger COO | Feb 27, 2026 | Buy | +12,500 | $7.74 | $96.75K | 81,030 |
| Steven B. Klinsky Director | Sep 16, 2025 | Buy | +85,352 | $9.78 | $834.74K | 4,370,857 |
| Steven B. Klinsky Director | Sep 16, 2025 | Buy | +21,339 | $9.78 | $208.70K | 965,111 |
| Adam B. Weinstein EVP, CAO and Director | Sep 15, 2025 | Buy | +49,750 | $10.03 | $498.99K | 652,490 |
| David Ogens Director | Aug 11, 2025 | Buy | +4,000 | $10.22 | $40.88K | 16,000 |
| David Ogens Director | Aug 11, 2025 | Buy | +18,000 | $10.23 | $184.14K | 216,189 |
| David Ogens Director | Aug 11, 2025 | Buy | +4,000 | $10.26 | $41.04K | 12,000 |
| Kris Corbett CFO and Treasurer | Aug 7, 2025 | Buy | +750 | $10.14 | $7.61K | 9,750 |
| David Ogens Director | Mar 7, 2025 | Buy | +5,000 | $11.30 | $56.50K | 194,020 |
| David Ogens Director | Mar 6, 2025 | Buy | +5,000 | $11.32 | $56.60K | 189,020 |
| David Ogens Director | Mar 5, 2025 | Buy | +5,000 | $11.31 | $56.55K | 184,020 |
| David Ogens Director | Mar 4, 2025 | Buy | +5,000 | $11.44 | $57.20K | 179,020 |
| Steven B. Klinsky Director | Dec 17, 2024 | Buy | +24,093 | $11.28 | $271.77K | 943,772 |
| Steven B. Klinsky Director | Dec 17, 2024 | Buy | +48,187 | $11.28 | $543.55K | 4,285,505 |
| Steven B. Klinsky Director | Dec 16, 2024 | Buy | +60,967 | $11.74 | $715.75K | 4,237,318 |
| Steven B. Klinsky Director | Dec 16, 2024 | Buy | +30,484 | $11.74 | $357.88K | 919,679 |
| Steven B. Klinsky Director | Dec 13, 2024 | Buy | +6,034 | $11.74 | $70.84K | 4,176,351 |
| Steven B. Klinsky Director | Dec 13, 2024 | Buy | +3,017 | $11.74 | $35.42K | 889,195 |
| Steven B. Klinsky Director | Dec 12, 2024 | Buy | +5.89 | $11.74 | $69 | 886,178 |
| Steven B. Klinsky Director | Dec 12, 2024 | Buy | +11,771 | $11.74 | $138.19K | 4,170,317 |
| Steven B. Klinsky Director | Dec 11, 2024 | Buy | +6,607 | $11.74 | $77.57K | 880,293 |
| Steven B. Klinsky Director | Dec 11, 2024 | Buy | +13,213 | $11.74 | $155.12K | 4,158,546 |
| Steven B. Klinsky Director | Dec 6, 2024 | Buy | +11,596 | $11.74 | $136.14K | 4,145,333 |
| Steven B. Klinsky Director | Dec 6, 2024 | Buy | +5,798 | $11.74 | $68.07K | 873,686 |
| Steven B. Klinsky Director | Dec 5, 2024 | Buy | +11,082 | $11.74 | $130.10K | 4,133,737 |
| Steven B. Klinsky Director | Dec 5, 2024 | Buy | +5,542 | $11.74 | $65.06K | 867,888 |
| Steven B. Klinsky Director | Dec 3, 2024 | Buy | +2,067 | $11.75 | $24.29K | 862,346 |
| Steven B. Klinsky Director | Dec 3, 2024 | Buy | +4,133 | $11.75 | $48.56K | 4,122,655 |
| Steven B. Klinsky Director | Nov 26, 2024 | Buy | +1,600 | $11.74 | $18.78K | 4,118,522 |
| Steven B. Klinsky Director | Nov 26, 2024 | Buy | +800 | $11.74 | $9.39K | 860,279 |
| Steven B. Klinsky Director | Nov 22, 2024 | Buy | +12,241 | $11.71 | $143.34K | 859,479 |
| Steven B. Klinsky Director | Nov 22, 2024 | Buy | +24,480 | $11.71 | $286.66K | 4,116,922 |
| Steven B. Klinsky Director | Nov 21, 2024 | Buy | +18,059 | $11.59 | $209.30K | 847,238 |
| Steven B. Klinsky Director | Nov 21, 2024 | Buy | +36,118 | $11.59 | $418.61K | 4,092,442 |
| Steven B. Klinsky Director | Nov 20, 2024 | Buy | +11,622 | $11.51 | $133.77K | 829,179 |
| Steven B. Klinsky Director | Nov 20, 2024 | Buy | +23,245 | $11.51 | $267.55K | 4,056,324 |
| Steven B. Klinsky Director | Nov 19, 2024 | Buy | +18,270 | $11.63 | $212.48K | 817,557 |
| Steven B. Klinsky Director | Nov 19, 2024 | Buy | +36,541 | $11.63 | $424.97K | 4,033,079 |
| Steven B. Klinsky Director | Nov 18, 2024 | Buy | +15,154 | $11.52 | $174.57K | 799,287 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of shares outstanding
–
3M shares short
Days to cover
4.9
At 1M shares a day
Change since last report
-14.2%
From 3M shares
Short volume, 20 days
50.1%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of New Mountain Finance's stock actually held short. Settlement fails (shares not delivered on time) peaked at 35,000 shares on Sep 10, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| John P. Malfettone Affiliate | Jun 15, 2026 | 77,500 | $616.13K | Jun 15, 2026 | Purchase |
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