Sturm Ruger & Co Inc (RGR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

15,820,000Shares Outstanding

98,040Shares held by institutions

$3,618,656Value of institutional holdings

61.71%Institutional ownership %

-7.00%Shares Changed QoQ

180No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Sturm Ruger & Co Inc (NYSE:RGR) is held by 180 institutional firms.

The collective stake of institutional investors in Sturm Ruger moved to 61.7% in December 2025, a shift down from the 70.8% reported for September 2025.
Quarterly data indicates a -7.00% shift in institutional share volume, and the annual owner count reflects a decrease of 6.25%.
The latest 13F cycle for Sturm Ruger reveals that of 180 total investors, 77 funds grew their exposure, whereas 65 reduced theirs and 38 made no changes.
The aggregate institutional position in Sturm Ruger now stands at 9.76Mn shares as of December 2025, after investors decreased their holdings (down by 734.25K shares quarter on quarter which is down 1.17Mn shares year over year).
As of December 31, 2025, BlackRock, Inc. held Sturm Ruger's largest shareholding position with over 1.31Mn shares, representing 8.28% of total outstanding shares.
Among the most significant buyers of Sturm Ruger during December 2025 were MILLENNIUM MANAGEMENT LLC (290.53K), JANE STREET GROUP, LLC (245.36K), Caption Management, LLC (125.00K), HRT FINANCIAL LP (116.54K), Y-Intercept (Hong Kong) Ltd (97.69K).
Leading sellers of Sturm Ruger stock in December 2025 included BlackRock, Inc. (1.28Mn), UBS Group AG (366.36K), STATE STREET CORP (246.75K), VANGUARD GROUP INC (234.68K), AQR CAPITAL MANAGEMENT LLC (92.83K).
The top 10 institutional holders of Sturm Ruger for the quarter ending December 2025 included BlackRock, Inc. (1.31Mn), VANGUARD GROUP INC (915.01K), RENAISSANCE TECHNOLOGIES LLC (729.28K), WELLINGTON MANAGEMENT GROUP LLP (496.31K), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (377.67K), DIMENSIONAL FUND ADVISORS LP (370.34K), GEODE CAPITAL MANAGEMENT, LLC (358.33K), STATE STREET CORP (334.75K), MILLENNIUM MANAGEMENT LLC (290.53K), AMERICAN CENTURY COMPANIES INC (288.83K).

180 Institutional Holders

98,040 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	1,309,679	-1,278,863	-49.40%	$42,761,006.00
VANGUARD GROUP INC	31 Dec, 2025	915,007	-234,680	-20.41%	$29,874,978.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	729,276	-36,000	-4.70%	$23,810,861.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	496,315	3,886	0.79%	$16,204,685.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	377,666	64,190	20.48%	$12,330,795.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	370,339	25,565	7.42%	$12,091,417.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	358,333	-25,856	-6.73%	$11,702,831.00
STATE STREET CORP	31 Dec, 2025	334,750	-246,745	-42.43%	$10,929,588.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	290,530	290,530	0.00%	$9,485,804.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	288,830	58,979	25.66%	$9,430,306.00
JANE STREET GROUP, LLC	31 Dec, 2025	245,356	245,356	0.00%	$8,010,874.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	229,243	30,307	15.23%	$7,484,784.00
ROYAL BANK OF CANADA	31 Dec, 2025	222,003	-14,846	-6.27%	$7,248,000.00
MORGAN STANLEY	31 Dec, 2025	197,341	-44,232	-18.31%	$6,443,256.00
TWO SIGMA ADVISERS, LP	31 Dec, 2025	150,900	-36,400	-19.43%	$4,926,885.00
UBS Group AG	31 Dec, 2025	148,150	-366,360	-71.21%	$4,837,097.00
CITADEL ADVISORS LLC	31 Dec, 2025	138,196	35,508	34.58%	$4,512,100.00
NORTHERN TRUST CORP	31 Dec, 2025	136,173	-36,470	-21.12%	$4,446,049.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	127,971	-52,967	-29.27%	$4,178,253.00
Russell Investments Group, Ltd.	31 Dec, 2025	126,010	64,979	106.47%	$4,114,248.00

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