DIAMOND HILL INVESTMENT GROUP INC (DHIL) Institutional Ownership

Institutions by Trading Activity

2,718,171Shares Outstanding

2,026,689Shares held by institutions

$354,650,308Value of institutional holdings

74.56%Institutional ownership %

27.82%Shares Changed QoQ

156No. of institutional investors

Their combined ownership stood at 69.1% of outstanding shares in December 2025, down from 72.5% in September 2025.

They increased total shares held in Diamond Hill Investment by 1.64% from last quarter, and the number of investors in DHIL increased 7.41% annually.
Activity in DHIL broke down as 67 buyers, 60 sellers, and 18 unchanged among 145 total holders.
In total, institutional investors held 1.88Mn shares in Diamond Hill Investment as of December 2025, up by 30.24K shares quarter on quarter, and up 20.39K shares year over year.
As of December 31, 2025, the biggest holder of Diamond Hill Investment is BlackRock, Inc. at 245.78K shares, representing 9.04% of shares outstanding.
Top purchasers of DHIL stock for the quarter ending December 2025 included VANGUARD CAPITAL MANAGEMENT LLC (114.19K), GLAZER CAPITAL, LLC (79.34K), ALLIANCEBERNSTEIN L.P. (57.27K), Alberta Investment Management Corp (50.0K), Morgan Stanley (47.08K).
The largest sales of DHIL for the quarter ending December 2025 came from ROYCE & ASSOCIATES LP (43.5K), DIMENSIONAL FUND ADVISORS LP (24.63K), Wells Fargo & Company/Mn (22.28K), GABELLI FUNDS LLC (19.46K), AQR CAPITAL MANAGEMENT LLC (17.48K).
According to Business Quant data, leading holders of DHIL for December 2025 are BlackRock, Inc. (245.78K), VANGUARD CAPITAL MANAGEMENT LLC (114.19K), GLAZER CAPITAL, LLC (104.5K), RENAISSANCE TECHNOLOGIES LLC (97.05K), ROYCE & ASSOCIATES LP (85.59K), GEODE CAPITAL MANAGEMENT, LLC (76.52K), AMERICAN CENTURY COMPANIES INC (73.18K), Concurrent Investment Advisors, LLC (67.62K), ALLIANCEBERNSTEIN L.P. (60.65K), Morgan Stanley (59.82K).

2,026,689 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Mar, 2026	245,782	22,215	9.94%	$42,299,088.00
VANGUARD CAPITAL MANAGEMENT LLC	31 Mar, 2026	114,193	114,193	0.00%	$19,652,615.00
GLAZER CAPITAL, LLC	31 Mar, 2026	104,501	79,343	315.38%	$17,985.00
RENAISSANCE TECHNOLOGIES LLC	31 Mar, 2026	97,046	-5,200	-5.09%	$16,701,617.00
ROYCE & ASSOCIATES LP	31 Mar, 2026	85,587	-43,500	-33.70%	$14,729,523.00
GEODE CAPITAL MANAGEMENT, LLC	31 Mar, 2026	76,521	1,075	1.42%	$13,171,888.00
AMERICAN CENTURY COMPANIES INC	31 Mar, 2026	73,185	-109	-0.15%	$12,595,138.00
Concurrent Investment Advisors, LLC	31 Mar, 2026	67,616	0	0.00%	$11,636,714.00
ALLIANCEBERNSTEIN L.P.	31 Mar, 2026	60,647	57,274	1,698.01%	$10,279,667.00
Morgan Stanley	31 Mar, 2026	59,825	47,077	369.29%	$10,295,936.00
State Street Corp	31 Mar, 2026	53,707	-5,404	-9.14%	$9,242,975.00
DIMENSIONAL FUND ADVISORS LP	31 Mar, 2026	51,177	-24,626	-32.49%	$8,807,904.00
Alberta Investment Management Corp	31 Mar, 2026	50,000	50,000	0.00%	$8,605,000.00
TWO SIGMA INVESTMENTS, LP	31 Mar, 2026	47,604	8,291	21.09%	$8,192,648.00
Qube Research & Technologies Ltd	31 Mar, 2026	46,479	1,660	3.70%	$7,999,036.00
AQR CAPITAL MANAGEMENT LLC	31 Mar, 2026	43,143	-17,476	-28.83%	$7,424,935.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Mar, 2026	37,778	-2,155	-5.40%	$6,501,594.00
Creative Planning	31 Mar, 2026	34,580	19,473	128.90%	$5,951,218.00
BCGM Wealth Management, LLC	31 Mar, 2026	33,593	33,593	0.00%	$5,781,439.00
CIBRA Capital Ltd	31 Mar, 2026	32,677	26,247	408.20%	$5,623,712.00

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