Welcome to our dedicated page for Diamond Hill Invt Group SEC filings (Ticker: DHIL), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to U.S. Securities and Exchange Commission filings for Diamond Hill Investment Group, Inc. (Nasdaq: DHIL), an Ohio-incorporated public company whose consolidated revenues and net income are derived from investment advisory and fund administration services provided by its wholly owned subsidiary, Diamond Hill Capital Management, Inc. Through these filings, investors can review how the company describes its valuation-driven, long-term investment philosophy and its role as an independent active asset manager with significant employee ownership.
Form 10-K annual reports and Form 10-Q quarterly reports contain audited and interim financial statements, management’s discussion of results, and details on revenue from advisory and fund administration fees, operating expenses, non-GAAP adjustments related to deferred compensation and consolidated funds, and capital allocation through dividends and share repurchases. These reports also present information on assets under management and advisement, broken down by vehicle and strategy, including equity, long-short equity and fixed income categories.
Form 8-K current reports document material events such as quarterly earnings releases, AUM summaries, board changes, executive employment agreements and the Agreement and Plan of Merger with First Eagle Investment Management, LLC. One Form 8-K filed in December 2025 describes the merger structure under which a First Eagle merger subsidiary will merge with and into Diamond Hill, with Diamond Hill surviving as a wholly owned subsidiary of First Eagle if the transaction closes, and outlines key terms, conditions, go-shop provisions and termination fees.
Users can also review proxy materials related to shareholder meetings, including information on director elections, governance practices and compensation programs. AI-powered tools on this platform can help summarize lengthy filings, highlight sections on revenue drivers, AUM trends, merger terms and governance provisions, and make it easier to compare disclosures across reporting periods.
Diamond Hill Investment Group director Austin Hawley reported a routine tax-related share disposition. On April 1, 2026, 1,181 shares of Common stock were withheld at $172.10 per share to satisfy tax obligations, classified as a tax-withholding disposition.
After this non-market transaction, Hawley directly held 77,469 shares of Diamond Hill Investment Group common stock. This event reflects compensation-related tax settlement rather than an open-market sale or purchase.
Diamond Hill Investment Group’s Chief Financial Officer, Thomas Edward Line, reported a routine tax-related share disposition. On April 1, 2026, 664 shares of common stock were withheld at $172.10 per share to cover taxes tied to a restricted stock award that vested that day. This was not an open-market sale but a tax-withholding mechanism. Following the transaction, he directly holds 13,444 common shares and has an additional 1,294 shares through a 401(k) account.
Diamond Hill Investment Group executive Jo Ann Quinif, President of DHCM, reported a routine tax-related share disposition. On April 1, 2026, 2,080 shares of common stock were withheld at $172.10 per share to cover taxes on a restricted stock award that vested that day.
Following this withholding, Quinif directly owns 45,111 common shares and indirectly holds 816 shares through a 401K plan. The filing reflects compensation-related tax withholding rather than an open‑market sale.
Diamond Hill Investment Group CEO Heather E. Brilliant reported a routine tax-related share disposition. On a restricted stock award vesting, 2,809 common shares were withheld at $172.10 per share to cover taxes, rather than sold in the open market. After this withholding, she directly holds 66,680 common shares and indirectly holds 473 common shares through a 401K account.
Diamond Hill Investment Group, Inc. filed an update on assets under management for its subsidiary Diamond Hill Capital Management as of March 31, 2026. Total assets under management were $25,911 million, showing the overall scale of client capital the firm oversees.
By investment vehicle, Proprietary Funds held $16,668 million, separately managed accounts held $4,169 million, collective investment trusts held $1,430 million, and other pooled vehicles held $3,644 million. This highlights that most assets sit in proprietary fund structures.
By investment strategy, the largest allocations were Large Cap at $10,745 million, Short Duration Securitized Bond at $5,340 million, Core Fixed Income at $3,826 million, and Long-Short at $2,187 million, with smaller amounts in Small Cap, Mid Cap, Select, International, Micro Cap, and other securitized strategies.
Diamond Hill Investment Group Inc received an amended Schedule 13G filing from The Vanguard Group reporting 0 shares beneficially owned and 0% of the common stock following an internal realignment. The filing states that, pursuant to SEC Release No. 34-39538, certain Vanguard subsidiaries and business divisions will report ownership separately after the January 12, 2026 realignment.
The submission is an amendment clarifying ownership reporting: Vanguard says it no longer is deemed to beneficially own securities held by the disaggregated subsidiaries or divisions that pursue the same investment strategies. The form is signed by Ashley Grim, Head of Global Fund Administration, dated 03/26/2026.
Diamond Hill Investment Group director Thomas L'Quentus reported a series of small open‑market and dividend reinvestment purchases of the company’s common shares. Across eight transactions from December 2023 through September 2025, he acquired a total of 80.534 common shares, bringing his direct holdings to 2,602.051 shares after the most recent purchase on September 12, 2025 at $143.00 per share.
Footnotes explain that several purchases were inadvertent acquisitions through a broker‑administered dividend reinvestment plan. Certain purchases were matchable against a 250‑share sale at $161.64 on September 23, 2024 and another 250‑share sale at $141.10 on September 23, 2025 under Section 16(b), creating short‑swing profits of $82.12 and $128.59. These amounts were disgorged in full to the issuer as stated.
Diamond Hill Investment Group, Inc. reported that its subsidiary, Diamond Hill Capital Management, had total assets under management of 28,072 million as of February 28, 2026. The largest share was in proprietary funds at 17,754 million, followed by separately managed accounts at 4,880 million and other pooled vehicles at 3,915 million.
By investment strategy, Large Cap equity was the biggest category with 12,450 million in assets, while Short Duration Securitized Bond held 5,321 million and Core Fixed Income held 3,897 million. Smaller strategies included Long-Short, Select, and various securitized and international offerings.
Diamond Hill Investment Group shareholders approved the previously announced merger with First Eagle Investment Management, clearing a key step toward taking the company private. Proposal 1 to adopt the Merger Agreement passed with 1,911,619 votes for, 3,201 against and 1,327 abstentions.
At the special meeting, about 70.82% of the 2,705,580 common shares outstanding as of January 27, 2026 were represented, satisfying quorum requirements. Shareholders also approved, on an advisory basis, merger-related executive compensation. The merger is expected to close in the second quarter of 2026, after remaining closing conditions and required client consents are obtained, after which Diamond Hill will become a wholly owned First Eagle subsidiary and its shares will be delisted from Nasdaq.
Diamond Hill Investment Group reported 2025 results showing slightly lower revenue but higher earnings, alongside preparation for a pending merger with First Eagle Investment Management. Full-year revenue was $147.1 million, down from $151.1 million, while net income attributable to common shareholders rose to $48.8 million from $43.2 million.
Diluted EPS increased to $17.91 from $15.66, though adjusted diluted EPS declined to $11.56 from $12.92 as non-operating investment gains were excluded. Net operating profit margin slipped to 25% from 29%, or 29% on an adjusted basis versus 32% a year earlier.
Assets under management and advisement combined were $31.0 billion at December 31, 2025, modestly below $31.9 billion a year earlier, with net client outflows of $2.7 billion partly offset by market gains. The company returned about $44.1 million to shareholders through repurchases and a $10.00 per-share dividend, and incurred $2.9 million of merger-related expenses.