Private company

New Mountain Guardian IV BDC, L.L.C.

Investment fund that raised $859.6 million in 2022 (SEC Form D)2

In its 2026 annual report the company says: “New Mountain Guardian IV BDC, L.L.C. is a Delaware limited liability company formed on March 18, 2022. We are a closed-end, non-diversified management investment company that has elected to be regulated as a business development company under the Investment Company Act of 1940, as amended. We have elected to be treated for United States federal income tax purposes, and intend to comply with the requirements to continue to qualify annually, as a regulated investment company under Subchapter M of the Internal Revenue Code of 1986, as amended.”4 It is headquartered in New York, United States.2

Last updated Oct 20, 2026.

Overview

  • HeadquartersNew York, United States2
  • Incorporated inDE3
  • Business address1633 Broadway, 48Th Floor, New York, Ny 100193
  • Filer category, Emerging growth company3
  • Legal formLimited Liability Company2
  • Kind of organizationInvestment fund2
  • LEI529900B1FKVKAJ7YBE272
  • StatusActive2
  • LEI statusLapsed (not renewed)2
  • Registered addressc/o The Corporation Trust Company, Corporation Trust Center, 1209 Orange Street, 19801 Wilmington, United States2
  • Registered withDivision of Corporations, Department of State, 66908092

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New Mountain Guardian IV BDC, L.L.C. ("we", "us" or "our") is a Delaware limited liability company formed on March 18, 2022. We are a closed-end, non-diversified management investment company that has elected to be regulated as a business development company ("BDC") under the Investment Company Act of 1940, as amended (the "1940 Act"). We have elected to be treated for United States ("U.S.") federal income tax purposes, and intend to comply with the requirements to continue to qualify annually, as a regulated investment company ("RIC") under Subchapter M of the Internal Revenue Code of 1986, as amended (the "Code").4 From its latest annual report

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Financial statements

Net income5$77.6M in 2025+188% since 2023
0$20.0M$40.0M$60.0M$80.0M2023: $27.0M$27.0M20232024: $61.0M$61.0M2024+126%2025: $77.6M$77.6M2025+27%
Fiscal year20222023202420252026
Interest$13.6M9
Net income$27.0M5$61.0M5$77.6M5
Earnings per share$1.995$1.345$0.935
Earnings per share (diluted)$1.995$1.345$0.935
Shares (weighted, basic)13.5M shares545.6M shares583.6M shares5
Shares (weighted, diluted)13.5M shares545.6M shares583.6M shares5

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Corporate structure

New Mountain Guardian IV BDC, L.L.C. sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of New Mountain Guardian IV BDC, L.L.C.

  • New Mountain Guardian IV Rated Feeder I, LTD Filed SC 13D/A on New Mountain Guardian IV BDC, L.L.C., latest Dec 10, 2024 (7 filings since Sep 1, 2023)
  • New Mountain Guardian IV Rated Feeder III, Ltd. Filed SC 13D/A on New Mountain Guardian IV BDC, L.L.C., latest Dec 10, 2024 (2 filings since Sep 5, 2024)
  • New Mountain Guardian Investments IV, L.L.C. Filed SC 13D/A on New Mountain Guardian IV BDC, L.L.C., latest Dec 10, 2024 (10 filings since Sep 1, 2022)
  • Pension Fund for State Employees Filed SC 13G/A on New Mountain Guardian IV BDC, L.L.C., latest Nov 13, 2024 (4 filings since Sep 9, 2022)
  • Pontus Holdings Ltd. Filed SC 13G on New Mountain Guardian IV BDC, L.L.C., latest Feb 13, 2024 (2 filings since Jan 20, 2023)
  • DIMENSION CAPITAL MANAGEMENT LLC Filed SC 13G/A on New Mountain Guardian IV BDC, L.L.C., latest Feb 8, 2024 (2 filings since Mar 7, 2023)
  • Museum Of Art Metropolitan Filed SC 13G/A on New Mountain Guardian IV BDC, L.L.C., latest Feb 7, 2024 (3 filings since Nov 7, 2022)
  • New Mountain Guardian IV BDC, L.L.C. New York, New York, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What New Mountain Guardian IV BDC, L.L.C. reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Investments

ItemLatestA year beforeChange
Cash and cash equivalents$33.9M5 Dec 31, 2025$19.9M5 Dec 31, 2024+70.6%

Properties, in its own words

We do not own any real estate or other physical properties materially important to our operations. Our principal executive offices are located at 1633 Broadway, 48th Floor, New York, New York 10019, where we occupy our office space pursuant to our Administration Agreement with the Administrator. The office space is shared with our Investment Adviser, our Administrator and New Mountain Capital. We believe that our current office facilities are suitable and adequate for our business as currently conducted.

Item 2 of the 10-K filed Mar 4, 2026.4

Leadership

Who has led New Mountain Guardian IV BDC, L.L.C., and when. Pick a name to see everywhere that person has worked.

Chief executive

  1. Robert Hamwee2022

Chief financial officer

  1. Shiraz Kajee2022
  2. Kris Corbett2023

Chief operating officer

  1. Laura Holson Boswerger2022
2025
Board members and other officers (5)

Named in SEC Form D filings

People the company listed in its private-offering notices.

  • Director, Executive Vice PresidentAdam Weinstein named May 3, 202421
  • Director, President and Chief Executive OfficerJohn R. Kline named May 3, 202421
  • Chief Operating OfficerLaura G. Holson named May 3, 202421

Former names

  • New Mountain Guardian IV BDC L.L.C.May 3, 2022 to May 6, 20223

Timeline

  1. Aug 11, 20268-K Regulation FD disclosure22
  2. May 12, 20268-K Regulation FD disclosure23
  3. May 7, 20268-K Executive or director change24
  4. Apr 22, 20268-K Regulation FD disclosure25
  5. Mar 24, 20268-K Executive or director change26
  6. Jan 16, 20268-K Entered a material agreement; New debt or obligation; Executive or director change27
  7. Dec 17, 20258-K Unregistered sale of shares28
  8. Dec 3, 20258-K Unregistered sale of shares29
  9. Nov 7, 20258-K Entered a material agreement; New debt or obligation30
  10. Sep 18, 20258-K Unregistered sale of shares31
  11. Apr 2, 20258-K Entered a material agreement; New debt or obligation32
  12. Dec 9, 20248-K Entered a material agreement; Unregistered sale of shares33
  13. Jul 5, 2022New chief executive Robert Hamwee becomes CEO12
  14. Mar 18, 2022Founded New Mountain Guardian IV BDC, L.L.C. is founded2

Filings

136 filings to the SEC since October 2021: 4 annual reports, 13 quarterly reports, 39 major events, 36 insider forms, 30 large holders, 3 private raises, 11 other. The latest 20:

  1. Aug 11, 20268-K EDGAR
  2. Aug 11, 202610-Q EDGAR
  3. Jun 3, 202640-17G EDGAR
  4. May 12, 20268-K EDGAR
  5. May 12, 202610-Q EDGAR
  6. May 7, 20268-K EDGAR
  7. Apr 22, 20268-K EDGAR
  8. Mar 24, 20268-K EDGAR
  9. Mar 4, 202610-K EDGAR
  10. Jan 26, 20263 EDGAR
  11. Jan 16, 20268-K EDGAR
  12. Dec 17, 20258-K EDGAR
  13. Dec 17, 20254 EDGAR
  14. Dec 17, 20254 EDGAR
  15. Dec 3, 20258-K EDGAR
  16. Dec 3, 20254 EDGAR
  17. Dec 3, 20254 EDGAR
  18. Nov 12, 202510-Q EDGAR
  19. Nov 7, 20258-K EDGAR
  20. Sep 18, 20258-K EDGAR

The 136 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

20 open-market trades by officers, directors and large owners since October 2021: 20 buys and 0 sales. Grants, option exercises and gifts are left out.

DateWhoTradeSharesPriceValueFiling
Dec 15, 2025New Mountain Guardian IV Rated Feeder III, Ltd.10% ownerBuy3,329,140$10.00$33.3MForm 4
Dec 15, 2025New Mountain Guardian IV Rated Feeder I, LTD10% ownerBuy3,300,000$10.00$33.0MForm 4
Dec 1, 2025New Mountain Guardian IV Rated Feeder III, Ltd.10% ownerBuy5,992,452$10.00$59.9MForm 4
Dec 1, 2025New Mountain Guardian IV Rated Feeder I, LTD10% ownerBuy5,940,000$10.00$59.4MForm 4
Sep 16, 2025New Mountain Guardian IV Rated Feeder III, Ltd.10% ownerBuy1,664,570$10.00$16.6MForm 4
Sep 16, 2025New Mountain Guardian IV Rated Feeder I, LTD10% ownerBuy1,650,000$10.00$16.5MForm 4
Dec 6, 2024New Mountain Guardian IV Rated Feeder III, Ltd.10% ownerBuy3,994,968$10.00$39.9MForm 4
Dec 6, 2024New Mountain Guardian IV Rated Feeder I, LTD10% ownerBuy3,960,000$10.00$39.6MForm 4
Aug 28, 2024KLINSKY STEVEN B10% ownerBuy479,875$10.00$4.8MForm 4
Jun 13, 2024New Mountain Guardian IV Rated Feeder I, LTD10% ownerBuy3,300,000$10.00$33.0MForm 4
Jun 13, 2024KLINSKY STEVEN B10% ownerBuy1,000,000$10.00$10.0MForm 4
Mar 14, 2024KLINSKY STEVEN B10% ownerBuy1,000,000$10.00$10.0MForm 4
Mar 14, 2024New Mountain Guardian IV Rated Feeder I, LTD10% ownerBuy3,300,000$10.00$33.0MForm 4
Jul 24, 2023Pension Fund for State Employees10% ownerBuy200,000$10.00$2.0MForm 4
Jul 24, 2023KLINSKY STEVEN B10% ownerBuy500,000$10.00$5.0MForm 4
Dec 8, 2022Eagle PTC Ltd.10% ownerBuy300,000$10.00$3.0MForm 4
Dec 8, 2022Pension Fund for State Employees10% ownerBuy400,000$10.00$4.0MForm 4
Dec 8, 2022New Mountain Guardian Investments IV, L.L.C.10% ownerBuy1,000,000$10.00$10.0MForm 4
Oct 28, 2022Pension Fund for State Employees10% ownerBuy313,479$9.57$3.0MForm 4
Aug 22, 2022KLINSKY STEVEN B10% ownerBuy1,000,000$10.00$10.0MForm 4

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

Money raised

Private offerings the company reported to the SEC on Form D.

  1. May 4, 2022Raised $859.6 million in a private offering of equity Form D: 46 investors so far Form D

SEC filer profile

How New Mountain Guardian IV BDC, L.L.C. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARNew Mountain Guardian IV BDC, L.L.C.1
  • CIK0001925531
  • Employer ID (EIN)88-13772204
  • Filer statusNon-accelerated filer an emerging growth company; not a smaller reporting company; not a shell company4
  • Incorporated inDelaware4
  • Fiscal year endsDecember 311
  • Business address1633 Broadway, 48Th Floor, New York, NY 100191
  • Phone212-720-03001
  • Shares outstanding120,834,931 as of Aug 11, 20268
  • Public float$0 as of Jun 30, 20255
  • AuditorDELOITTE & TOUCHE LLP, New York, New York PCAOB ID 34; no auditor attestation of internal control over financial reporting4
  • On EDGAR sinceMay 3, 20221
  • Filings145 in all: 8-K (39), 4 (20), 3 (16), SC 13D/A (16), 10-Q (13), SC 13G/A (9), SC 13G (6), 40-17G (5)1
    All 20 form types

    10-K (4), 40-APP/A (3), SC 13D (3), 40-APP (2), D/A (2), 10-12G (1), 10-12G/A (1), 40-17G/A (1), CORRESP (1), D (1), N-54A (1), UPLOAD (1)

  • Latest filingsAnnual report (10-K) Mar 4, 2026
    Quarterly report (10-Q) Aug 11, 2026
    Latest 8-K (8-K) Aug 11, 2026

Risk factors and legal proceedings

The risks New Mountain Guardian IV BDC, L.L.C. names in Item 1A of its 10-K filed Mar 4, 2026: 19 risks under these headings, as written.4

  • No Assurance of Investment Return
  • Above Average Degree of Risk
  • Role of New Mountain Capital and its Professionals; No Dedicated Investment Team
  • Compensation Arrangements
  • Indemnification
  • Limited Recourse
  • Misconduct of Employees and of Third‑Party Service Providers
  • Risk of Geopolitical Unrest, Terrorist Attacks, or Acts of War
  • Risk of Tariffs
  • Changes in U.S. Policy
  • Operating and Financial Risks of Portfolio Companies
  • Investments in Highly Leveraged Companies
The other 16 risks
  • Unfunded Debt Commitments and Follow‑On Investments
  • Portfolio Companies' Other Debts
  • Company‑Level Borrowings
  • "Covenant Lite" Loans
  • Broad Investment Mandate; Unspecified Investments
  • Risk of Limited Number of Investments; Dependence on Performance of Certain Investments
  • Influence over Management
  • Illiquid and Long‑Term Investments
  • Investments Longer Than Term
  • Highly Competitive Market for Investment Opportunities
  • Managing Future Growth
  • Economic Recessions and Government Spending Cuts
  • Portfolio Company Management
  • Lack of Control of Portfolio Companies
  • Investment in Restructurings
  • Investments in Private and Less Established Companies; Risk of Fraud in Portfolio Companies
  • Risks of Technology‑Related Investments
  • Non‑U.S. Investments
  • Hedging Policies/Risks
  • Hedging; Derivative Instruments
  • Debt and Mezzanine Investments
  • Equity Investments
  • Repurchase Agreements
  • Original Issue Discount and Payment‑In‑Kind Instruments
  • Risks Relating to Due Diligence of and Conduct at Portfolio Companies
  • Currency and Exchange Rate Risks
  • Public Company Holdings
  • Bridge Financings
  • Uncertainty of Financial Projections
  • Availability of Insurance Against Certain Catastrophic Losses
  • Global Climate Change Risk
  • Corporate Social Responsibility Risks
  • Force Majeure Risk
  • Developments in the Banking Sector
  • Dependence on Banking Relationships
  • No Market for Units; Transferability Restrictions
  • Status as a BDC
  • Valuation of Portfolio Investments
  • Management of the Company
  • Transactions with Affiliates
  • The Investment Adviser and Conflicts of Interest
  • License Agreement, Expenses Incurred and Conflicts of Interest including those Associated with the Valuation Process
  • Material, Non‑Public Information
  • FOIA and Similar Laws
  • Limited Access to Information
  • Possibility of Different Information Rights
  • Capital Calls
  • RIC Tax Treatment and Raising Additional Capital
  • Distributions
  • Failure to Raise Substantial Funds
  • Failure to Make Capital Contributions
  • Preferred Units
  • Removal of the Investment Adviser or Administrator; Cancellation of Investment Period; Early Termination of the Fund
  • Compliance with Anti‑Money Laundering Requirements
  • Fund Expenses
  • Executive Advisory Council
  • Systems and Operational Risks
  • Cybersecurity Breaches, Identity Theft and Other Disasters
  • Cyber-Attacks
  • Artificial Intelligence and Machine Learning Risk
  • CERTAIN MARKET, REGULATORY AND TAX RISKS
  • U.S. Capital Markets
  • U.S. Credit Rating, the Debt Ceiling and Interest Rate Volatility
  • Regulations Governing the Operations of BDCs
  • Fluctuations in our Annual and Quarterly Results
  • Exchange Act
  • Sarbanes‑Oxley Act
  • "Emerging Growth Company" Under the JOBS Act

Legal proceedings

We, the Investment Adviser and the Administrator are not currently subject to any material legal proceedings, nor, to our knowledge, is any material legal proceeding threatened against us, the Investment Adviser or the Administrator, as of December 31, 2025. From time to time, we or the Investment Adviser may be a party to certain legal proceedings in the ordinary course of business, including proceedings relating to the enforcement of our rights under loans to or other contracts with our portfolio companies. While the outcome of these legal proceedings cannot be predicted with certainty, we do not expect that these proceedings will have a material effect upon our financial condition or results of operations.

The opening of Item 3, Legal Proceedings.4

Sources

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