SSUMY Institutional Ownership & Shareholders
SUMITOMO CORP-SPON ADR (SSUMY) is currently held by 8 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $3.63M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Rhumbline Advisers is currently the largest disclosed institutional shareholder of SSUMY tracked by InsiderSet, reporting ownership valued at approximately $1.79M in its June 30, 2026 SEC Form 13F filing.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed SSUMY value among the investors covered in this analysis. Major shareholders include Rhumbline Advisers, Henry James International Management Inc., Gamma Investing Llc, and several other long-term asset managers with concentrated positions in SUMITOMO CORP-SPON ADR (SSUMY).
This page ranks the largest institutional SSUMY shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
8
Total Reported Value
$3.63M
Largest Holder
Rhumbline Advisers
Largest Position
$1.79M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
14
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Rhumbline Advisers | 0.00% | 46,792 | $1,791,649 | — | — | — | |
| Henry James International Management Inc. | 0.31% | 89,972 | $1,010,835 | — | — | — | |
| Gamma Investing Llc | 0.02% | 57,913 | $650,653 | — | — | — | |
| Atlas Capital Advisors Inc. | 0.02% | 4,244 | $162,502 | — | — | — | |
| Pnc Financial Services Group, Inc. | 0.00% | 137 | $5,246 | — | — | — | |
| First Command Advisory Services, Inc. | 0.00% | 124 | $4,748 | — | — | — | |
| Gleason Group, Inc. | 0.00% | 320 | $3,605 | — | — | — | |
| Ima Advisory Services, Inc. | 0.00% | 93 | $3,561 | — | — | — |
Frequently asked questions about SSUMY
Who are the largest institutional holders of SSUMY?
The largest institutional holders of SSUMY reported in the latest SEC Form 13F filings include Rhumbline Advisers, Henry James International Management Inc., Gamma Investing Llc, Atlas Capital Advisors Inc., and Pnc Financial Services Group, Inc.. InsiderSet ranks institutional holders by their latest reported SSUMY position.
What is SSUMY institutional ownership?
This page tracks SSUMY positions reported by institutional investment managers through SEC Form 13F. SUMITOMO CORP-SPON ADR (SSUMY) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own SSUMY?
InsiderSet currently tracks 8 institutional managers reporting SSUMY holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of SSUMY shareholders.
How much SSUMY stock do institutions own?
Institutional investment managers disclosed approximately $3.63M in SSUMY holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was SSUMY institutional ownership last updated?
The latest SSUMY institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional SSUMY holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its SSUMY position after the reporting date.
Are institutions buying or selling SSUMY?
Institutional buying and selling can be analyzed by comparing SSUMY positions across consecutive 13F reporting periods. InsiderSet's SSUMY Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View SSUMY ownership changes.
How has SSUMY institutional ownership changed over time?
InsiderSet tracks SSUMY institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.