This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/SSNC/capital-change-brief"
Use Arkolith's capital_change_brief for SSNC. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $1.4B | 20.2M | ▼−28% Reduced · −7.8M sh | Q1 2026 | |
| 2 | FMR LLC | $744.7M | 11.0M | ▲+42% Added · +3.3M sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $741.5M | 11.0M | ▲New +11.0M sh | Q1 2026 | |
| 4 | PZENA INVESTMENT MANAGEMENT LLC | $655.4M | 9.7M | ▼−6.0% Reduced · −614K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $624.8M | 9.2M | ▲New +9.2M sh | Q1 2026 | |
| 6 | JANUS HENDERSON GROUP PLC | $569.3M | 8.4M | ▼−40% Reduced · −5.6M sh | Q1 2026 | |
| 7 | STATE STREET CORP | $422.6M | 6.3M | ▲+3.1% Added · +190K sh | Q1 2026 | |
| 8 | CITADEL ADVISORS LLC | $376.7M | 5.6M | ▲+646% Added · +4.8M sh | Q1 2026 | |
| 9 | BANK OF MONTREAL /CAN/ | $338.2M | 5.0M | ▼−2.4% Reduced · −121K sh | Q1 2026 | |
| 10 | Swedbank AB | $291.1M | 4.3M | ▲+15% Added · +563K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $269.6M | 4.0M | ▲+7.2% Added · +269K sh | Q1 2026 | |
| 12 | CANTILLON CAPITAL MANAGEMENT LLC | $253.6M | 3.8M | ▼−12% Reduced · −505K sh | Q1 2026 | |
| 13 | PRICE T ROWE ASSOCIATES INC /MD/ | $228.8M | 3.4M | ▲+8.0% Added · +252K sh | Q1 2026 | |
| 14 | DIMENSIONAL FUND ADVISORS LP | $210.5M | 3.1M | ▲+2.0% Added · +60K sh | Q1 2026 | |
| 15 | AQR CAPITAL MANAGEMENT LLC | $191.4M | 2.8M | ▲+29% Added · +642K sh | Q1 2026 | |
| 16 | NORGES BANK | $242.8M | 2.8M | ▲+3.8% Added · +102K sh | Q4 2025 | |
| 17 | SNYDER CAPITAL MANAGEMENT L P | $153.6M | 2.3M | ▲+16% Added · +310K sh | Q1 2026 | |
| 18 | Qube Research & Technologies Ltd | $150.8M | 2.2M | ▲+50% Added · +746K sh | Q1 2026 | |
| 19 | Robeco Institutional Asset Management B.V. | $136.6M | 2.0M | ▲+0.3% Added · +7K sh | Q1 2026 | |
| 20 | DIAMOND HILL CAPITAL MANAGEMENT INC | $136.5M | 2.0M | ▼−36% Reduced · −1.1M sh | Q1 2026 | |
| 21 | Amundi | $122.7M | 1.8M | ▲+52% Added · +619K sh | Q1 2026 | |
| 22 | ALKEON CAPITAL MANAGEMENT LLC | $119.3M | 1.8M | —Held | Q1 2026 | |
| 23 | Boston Partners | $116.4M | 1.7M | ▼−60% Reduced · −2.6M sh | Q1 2026 | |
| 24 | BANK OF AMERICA CORP /DE/ | $112.9M | 1.7M | ▼−44% Reduced · −1.3M sh | Q1 2026 | |
| 25 | GOLDMAN SACHS GROUP INC | $108.8M | 1.6M | ▼−29% Reduced · −658K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 22, 2026 | ZAMKOW MICHAEL JAY | Director | Option exercise (M) | 3K | $0 |
| May 22, 2026 | ZAMKOW MICHAEL JAY | Director | Sell (S) | 3K | $200K |
| May 22, 2026 | ZAMKOW MICHAEL JAY | Director | Option exercise (M) | 3K | $91K |
| May 20, 2026 | ZAMKOW MICHAEL JAY | Director | Grant (A) | 3K | $0 |
| May 20, 2026 | ZAMKOW MICHAEL JAY | Director | Option exercise (M) | 3K | $0 |
| May 20, 2026 | ZAMKOW MICHAEL JAY | Director | Option exercise (M) | 3K | $0 |
| May 20, 2026 | ZAMKOW MICHAEL JAY | Director | Option exercise (M) | 3K | — |
| May 20, 2026 | ZAMKOW MICHAEL JAY | Director | Sell (S) | 3K | $200K |
| May 20, 2026 | ZAMKOW MICHAEL JAY | Director | Option exercise (M) | 3K | $91K |
| May 20, 2026 | Walton Debra | Director | Grant (A) | 3K | $0 |
| May 20, 2026 | Walton Debra | Director | Option exercise (M) | 3K | $0 |
| May 20, 2026 | Walton Debra | Director | Option exercise (M) | 3K | — |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 246 funds | $251.7B |
| ALPHABET INC-CL AGOOGL | 241 funds | $168.0B |
| AMAZON.COM INCAMZN | 237 funds | $190.7B |
| META PLATFORMS INC-CLASS AMETA | 236 funds | $108.4B |
| VISA INC-CLASS A SHARESV | 233 funds | $57.1B |
| APPLE INCAAPL | 232 funds | $273.8B |
| JPMORGAN CHASE & COJPM | 232 funds | $70.0B |
| BROADCOM INCAVGO | 231 funds | $137.0B |
| ELI LILLY & COLLY | 230 funds | $69.5B |
| NVIDIA CORPNVDA | 227 funds | $363.2B |
| COSTCO WHOLESALE CORPCOST | 226 funds | $39.2B |
| BANK OF AMERICA CORPBAC | 225 funds | $31.0B |
Ranked by how many of SSNC's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SSNC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.