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SELF · Global Self Storage, Inc.

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$5.12 +0.03 (+0.59%) At close · Jul 29
Market Cap
$58.48M
Shares
11.42M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 55
Total Value: $16,139,857
Total Shares: 3,146,268

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 56 13F filers
Top Holder
18.7%
Jun 2023 → Mar 2026 · range 16.9% – 21.3%
of institutional value
Top 5
56.9%
Jun 2023 → Mar 2026 · range 56.9% – 68.0%
of institutional value
Top 10
73.3%
Jun 2023 → Mar 2026 · range 73.3% – 83.9%
of institutional value
HHI
828
Jun 2023 → Mar 2026 · range 828 – 1,126
Broadly held
Showing 55 of 55
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Small WINMILL & CO. INC $2,997,014 18.57% 586,500
Mega VANGUARD CAPITAL MANAGEMENT LLC $2,197,315 13.61% 430,003
Mega BlackRock, Inc. $1,505,609 9.33% 294,640
Small MARATHON CAPITAL MANAGEMENT $1,366,508 8.47% 260,784
Large RENAISSANCE TECHNOLOGIES LLC $1,104,654 6.84% 216,175
Mega GEODE CAPITAL MANAGEMENT, LLC $737,178 4.57% 144,262
Mega WELLS FARGO & COMPANY/MN $668,995 4.14% 130,919
Small Private Capital Management, LLC $529,135 3.28% 103,549
Mega MORGAN STANLEY $373,611 2.31% 73,114
Large Kestra Advisory Services, LLC $351,955 2.18% 67,167
Mega DIMENSIONAL FUND ADVISORS LP $312,367 1.94% 61,129
Mega VANGUARD FIDUCIARY TRUST CO Bank $307,780 1.91% 60,231
Micro Towneley Capital Management, Inc / DE $247,196 1.53% 48,375
Large Cetera Investment Advisers $221,952 1.38% 43,435
Mega RAYMOND JAMES FINANCIAL INC $209,192 1.30% 40,938
Small Baker Ellis Asset Management LLC $193,880 1.20% 37,000
Mid PFG Investments, LLC $186,077 1.15% 35,511
Small Crossingbridge Advisors, LLC $180,234 1.12% 35,271
Mega STATE STREET CORP $161,373 1.00% 31,580
Small WealthTrust Axiom LLC $158,410 0.98% 31,000
Micro AlphaCentric Advisors LLC $157,200 0.97% 30,000
Mega LPL Financial LLC $142,921 0.89% 27,969
Mega GOLDMAN SACHS GROUP INC $135,624 0.84% 26,541
Mega NORTHERN TRUST CORP Bank $129,702 0.80% 25,382
Large Man Group plc $127,540 0.79% 24,959
Small JAMES INVESTMENT RESEARCH, INC. $126,284 0.78% 24,100
Large NewEdge Advisors, LLC $123,151 0.76% 24,100
Mid Merit Financial Group, LLC $122,076 0.76% 23,297
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $121,510 0.75% 23,779
Mega UBS Group AG $115,332 0.71% 22,570
Small Ethos Financial Group, LLC $111,449 0.69% 21,810
Mega PRICE T ROWE ASSOCIATES INC /MD/ $102,051 0.63% 19,971
Mega HSBC HOLDINGS PLC $88,254 0.55% 17,271
Small BARD ASSOCIATES INC $85,107 0.53% 16,655
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $80,329 0.50% 15,720
Mid RITHOLTZ WEALTH MANAGEMENT $55,734 0.35% 10,907
Mega BARCLAYS PLC $53,803 0.33% 10,529
Mega JPMORGAN CHASE & CO $38,892 0.24% 7,611
Mid SIMPLEX TRADING, LLC $33,817 0.21% 6,618
Small Financial Gravity Asset Management, Inc. $32,831 0.20% 6,425
Large OSAIC HOLDINGS, INC. $29,054 0.18% 5,686
Mega CITIGROUP INC $28,764 0.18% 5,629
Mega Vanguard Global Advisers, LLC $20,715 0.13% 4,054
Mid Advisory Services Network, LLC $19,070 0.12% 3,732
Small BROADWATER CAPITAL MANAGEMENT LLC $10,480 0.06% 2,000
Mega PNC FINANCIAL SERVICES GROUP, INC. $9,709 0.06% 1,900
Large ACADIAN ASSET MANAGEMENT LLC $7,312 0.05% 1,431
Large JONES FINANCIAL COMPANIES LLLP $5,130 0.03% 1,004
Large NISA INVESTMENT ADVISORS, LLC $4,859 0.03% 951
Mid BARTLETT & CO. WEALTH MANAGEMENT LLC $2,646 0.02% 505
Mega ROYAL BANK OF CANADA Bank $2,417 0.01% 473
Mega BNP PARIBAS ARBITRAGE, SA $2,084 0.01% 408
Mega FMR LLC $2,044 0.01% 400
Mid Tower Research Capital LLC (TRC) $1,159 0.01% 227
Small Capital Advisors, Ltd. LLC $372 0.00% 71
Key facts CIK 1031235 CUSIP 37955N106 13F (30d) 11 filings 10 filers Visit website Investor relations

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