Global Self Storage Ownership | Who Owns Global Self Storage?

Global Self Storage Ownership Summary

Global Self Storage is owned by 28.09% institutional investors, 9.44% insiders, and 62.47% retail investors. Winmill is the largest institutional shareholder, holding 5.25% of SELF shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.84% of its assets in Global Self Storage shares.

SELF Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Global Self Storage	28.09%	9.44%	62.47%
Sector	Real Estate Stocks	48.86%	9.88%	41.26%
Industry	Industrial REIT Stocks	61.67%	7.76%	30.58%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Winmill	586.50K	5.25%	$3.00M
Vanguard group	494.29K	4.42%	$2.52M
Blackrock funding, inc. /de	294.64K	2.64%	$1.51M
Marathon capital management	259.63K	2.33%	$1.33M
Renaissance	216.18K	1.94%	$1.10M
Geode capital management	144.26K	1.29%	$737.34K
Wells fargo & company/mn	130.92K	1.17%	$668.99K
Private capital management	103.55K	0.93%	$529.13K
Blackrock	102.33K	0.92%	$497.32K
Morgan stanley	73.11K	0.65%	$373.62K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Winmill	586.50K	0.86%	$3.00M
Marathon capital management	259.63K	0.30%	$1.33M
Alphacentric advisors	35.27K	0.18%	$180.24K
Private capital management	103.55K	0.05%	$529.13K
Towneley capital management, inc / de	48.38K	0.05%	$247.20K
Wealthtrust axiom	31.00K	0.04%	$158.41K
Crossingbridge advisors	35.27K	0.03%	$180.24K
Bard associates	16.66K	0.02%	$85.11K
Baker ellis asset management	35.00K	0.02%	$178.85K
James investment research	24.10K	0.01%	$123.15K

Top Buyers

Holder	Shares	% Assets	Change
Wells fargo & company/mn	130.92K	0.00%	128.92K
Private capital management	103.55K	0.05%	91.55K
Vanguard fiduciary trust	60.23K	0.00%	60.23K
Blackrock funding, inc. /de	294.64K	-	58.96K
Wealthtrust axiom	31.00K	0.04%	31.00K

Top Sellers

Holder	Shares	% Assets	Change
Northwest capital management	-	-	-908.73K
Laffer tengler investments	-	-	-72.59K
Easterly investment partners	-	-	-49.06K
Stansberry asset management	-	-	-47.39K
Citadel advisors	-	-	-36.52K

New Positions

Holder	Shares	% Assets	Change	Value
Vanguard fiduciary trust	60.23K	0.00%	60.23K	$307.78K
Wealthtrust axiom	31.00K	0.04%	31.00K	$158.41K
Merit financial group	17.98K	0.00%	17.98K	$91.86K
Hsbc	17.27K	-	17.27K	$87.91K
Virtu financial	10.72K	0.00%	10.72K	$54.00K

Sold Out

Holder	Change
Kozak & associates	-1.00
Hollencrest capital management	-38.00
Us bancorp \de\	-242.00
Harbour investments	-500.00
Farther finance advisors	-649.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	53	12.77%	3,136,833	7.14%	28	4.09%	30	42.86%	12	-25.00%
Dec 31, 2025	13	-73.47%	941,303	-69.00%	8	1.14%	4	-84.62%	5	-64.29%
Sep 30, 2025	16	-62.79%	717,586	-77.67%	6	0.78%	7	-66.67%	2	-83.33%
Jun 30, 2025	43	-4.44%	3,279,851	-0.39%	29	3.36%	21	23.53%	12	-14.29%
Mar 31, 2025	45	4.65%	3,291,970	-0.18%	29	3.35%	17	-10.53%	15	25.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	319.66K	2.84%	-
Vanguard Total Stock Mkt Idx Inv	312.82K	2.74%	-
Vanguard Institutional Extnd Mkt Idx Tr	117.18K	1.03%	-
RiverPark Strategic Income Institutional	100.60K	0.89%	-
Fidelity Extended Market Index	68.48K	0.60%	-299.00
DFA Real Estate Securities I	43.98K	0.39%	-
SAM Income	42.31K	0.37%	-36.22K
Commonwealth Real Estate Securities	39.00K	0.34%	-
AlphaCentric Real Income I	35.27K	0.31%	34.27K
Fidelity Total Market Index	27.58K	0.24%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 14, 2026	WINMILL MARK CAMPBELL	President and CEO	Buy	$21.32K
Dec 05, 2025	WINMILL MARK CAMPBELL	President and CEO	Buy	$18.32K
Dec 05, 2025	WINMILL MARK CAMPBELL	President and CEO	Buy	$4.04K
Dec 04, 2025	WINMILL MARK CAMPBELL	President and CEO	Buy	$30.85K
Dec 03, 2025	WINMILL MARK CAMPBELL	President and CEO	Buy	$30.77K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	1	-
2026 Q1	-	-
2025 Q4	19	-
2025 Q3	8	-
2025 Q2	4	-

SELF Ownership FAQ

Who Owns Global Self Storage?

Global Self Storage shareholders are primarily institutional investors at 28.09%, followed by 9.44% insiders and 62.47% retail investors. The average institutional ownership in Global Self Storage's industry, Industrial REIT Stocks , is 61.67%, which Global Self Storage falls below.

Who owns the most shares of Global Self Storage?

Global Self Storage’s largest shareholders are Winmill (586.5K shares, 5.25%), Vanguard group (494.29K shares, 4.42%), and Blackrock funding, inc. /de (294.64K shares, 2.64%). Together, they hold 12.31% of Global Self Storage’s total shares outstanding.

Does Blackrock own Global Self Storage?

Yes, BlackRock owns 0.92% of Global Self Storage, totaling 102.33K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 497.32K$. In the last quarter, BlackRock increased its holdings by 270 shares, a 0.26% change.

Who is Global Self Storage’s biggest shareholder by percentage of total assets invested?

Winmill is Global Self Storage’s biggest shareholder by percentage of total assets invested, with 0.86% of its assets in 586.5K Global Self Storage shares, valued at 3M$.

Who is the top mutual fund holder of Global Self Storage shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Global Self Storage shares, with 2.84% of its total shares outstanding invested in 319.66K Global Self Storage shares.

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