242 tracked 13F filers disclose a position in IOSP as of the latest SEC 13F filings, a combined $1.7B in reported value. 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.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $283.2M | 3.9M | ▲+5.9% Added · +217K sh | Q1 2026 | |
| 2 | Allspring Global Investments Holdings, LLC | $154.7M | 1.9M | ▼−18% Reduced · −423K sh | Q2 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $135.8M | 1.9M | →First observed position No prior filed position | Q1 2026 | |
| 4 | DIMENSIONAL FUND ADVISORS LP | $90.7M | 1.2M | ▲+5.7% Added · +67K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $81.4M | 1.1M | →First observed position No prior filed position | Q1 2026 | |
| 6 | STATE STREET CORP | $81.1M | 996K | ▲+3.3% Added · +32K sh | Q2 2026 | |
| 7 | VICTORY CAPITAL MANAGEMENT INC | $63.2M | 865K | ▼−8.9% Reduced · −85K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $54.3M | 667K | ▲+5.7% Added · +36K sh | Q2 2026 | |
| 9 | Nuveen, LLC | $47.0M | 643K | ▲+28% Added · +141K sh | Q1 2026 | |
| 10 | TWO SIGMA INVESTMENTS, LP | $43.3M | 593K | ▲+272% Added · +434K sh | Q1 2026 | |
| 11 | UBS Group AG | $41.3M | 566K | ▲+298% Added · +424K sh | Q1 2026 | |
| 12 | GOLDMAN SACHS GROUP INC | $35.9M | 492K | ▲+1.4% Added · +7K sh | Q1 2026 | |
| 13 | JPMORGAN CHASE & CO | $31.2M | 426K | ▲+39% Added · +120K sh | Q1 2026 | |
| 14 | Qube Research & Technologies Ltd | $29.7M | 407K | ▲+27% Added · +86K sh | Q1 2026 | |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $26.7M | 366K | ▼−2.0% Reduced · −8K sh | Q1 2026 | |
| 16 | AQR CAPITAL MANAGEMENT LLC | $22.8M | 312K | ▲+16% Added · +44K sh | Q1 2026 | |
| 17 | BROWN ADVISORY INC | $21.6M | 296K | ▼−3.1% Reduced · −10K sh | Q1 2026 | |
| 18 | GENDELL JEFFREY L | $21.5M | 295K | ▲+3.2% Added · +9K sh | Q1 2026 | |
| 19 | BANK OF AMERICA CORP /DE/ | $21.2M | 291K | ▼−9.8% Reduced · −32K sh | Q1 2026 | |
| 20 | D. E. Shaw & Co., Inc. | $20.9M | 287K | ▼−7.5% Reduced · −23K sh | Q1 2026 | |
| 21 | NORTHERN TRUST CORP | $20.8M | 284K | ▲+3.5% Added · +10K sh | Q1 2026 | |
| 22 | Western Standard LLC | $19.3M | 237K | ▲+4.4% Added · +10K sh | Q2 2026 | |
| 23 | MORGAN STANLEY | $17.2M | 236K | ▼−3.3% Reduced · −8K sh | Q1 2026 | |
| 24 | PANAGORA ASSET MANAGEMENT INC | $14.9M | 183K | ▲+53% Added · +63K sh | Q2 2026 | |
| 25 | SEI INVESTMENTS CO | $12.7M | 174K | ▲+68% Added · +70K 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.
Last quarter, 4 funds opened a new position in IOSP and 30 added to an existing one, while 20 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 130 funds | $222.9B |
| META PLATFORMS INC-CLASS AMETA | 124 funds | $89.7B |
| AMAZON.COM INCAMZN | 123 funds | $166.5B |
| WELLS FARGO & COWFC | 123 funds | $14.8B |
| NVIDIA CORPNVDA | 122 funds | $323.3B |
| ELI LILLY & COLLY | 122 funds | $63.4B |
| JPMORGAN CHASE & COJPM | 122 funds | $46.2B |
| BANK OF AMERICA CORPBAC | 122 funds | $27.3B |
| CHEVRON CORPCVX | 122 funds | $25.5B |
| GENERAL MOTORS COGM | 121 funds | $11.4B |
| BROADCOM INCAVGO | 120 funds | $131.4B |
| MASTERCARD INC - AMA | 120 funds | $45.2B |
Ranked by how many of IOSP's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 3, 2026 | Jones David B. | SVP, GC & CCO | Sell (S) | 1K | $78K |
| Feb 27, 2026 | Cleminson Ian | EVP & CFO | Sell (S) | 1K | $95K |
| Feb 27, 2026 | Cleminson Ian | EVP & CFO | Sell (S) | 1K | $88K |
| Feb 27, 2026 | LANDLESS DAVID | Director | Sell (S) | 287 | $22K |
| Feb 27, 2026 | LANDLESS DAVID | Director | Sell (S) | 307 | $24K |
| Feb 27, 2026 | Poccia Claudia | Director | Sell (S) | 57 | $4K |
| Feb 27, 2026 | Poccia Claudia | Director | Sell (S) | 62 | $5K |
| Feb 27, 2026 | PADFIELD Larry | Director | Sell (S) | 307 | $24K |
| Feb 27, 2026 | PADFIELD Larry | Director | Sell (S) | 287 | $22K |
| Feb 27, 2026 | Blackmore Milton C | Director | Sell (S) | 307 | $24K |
| Feb 27, 2026 | Blackmore Milton C | Director | Sell (S) | 287 | $22K |
| Feb 20, 2026 | PADFIELD Larry | Director | Sell (S) | 1K | $84K |
Connected entities for IOSP
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/IOSP/capital-change-brief"
Use Arkolith's capital_change_brief for IOSP. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for IOSP. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.