| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | TWO SIGMA INVESTMENTS, LP | $69.2M | 3.0M | ▲+436% Added · +2.5M sh | Q1 2026 | |
| 2 | RENAISSANCE TECHNOLOGIES LLC | $47.5M | 2.1M | ▲+13% Added · +237K sh | Q1 2026 | |
| 3 | VICTORY CAPITAL MANAGEMENT INC | $44.1M | 1.9M | ▲New +1.9M sh | Q1 2026 | |
| 4 | Philosophy Capital Management LLC | $43.1M | 1.9M | ▲+14% Added · +224K sh | Q1 2026 | |
| 5 | GOLDMAN SACHS GROUP INC | $39.9M | 1.7M | ▲+174% Added · +1.1M sh | Q1 2026 | |
| 6 | Boston Partners | $37.4M | 1.6M | ▲+93% Added · +783K sh | Q1 2026 | |
| 7 | MORGAN STANLEY | $35.3M | 1.5M | ▲+40% Added · +440K sh | Q1 2026 | |
| 8 | MARSHALL WACE, LLP | $28.0M | 1.2M | ▲13× Added · +1.1M sh | Q1 2026 | |
| 9 | D. E. Shaw & Co., Inc. | $27.0M | 1.2M | ▲12× Added · +1.1M sh | Q1 2026 | |
| 10 | Focus Partners Wealth | $26.2M | 1.1M | ▲+9.5% Added · +99K sh | Q1 2026 | |
| 11 | Qube Research & Technologies Ltd | $25.0M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 12 | FEARNLEY ASSET MANAGEMENT AS | $21.8M | 951K | ▲+65% Added · +374K sh | Q1 2026 | |
| 13 | Allianz Asset Management GmbH | $18.4M | 799K | ▲+4.3% Added · +33K sh | Q1 2026 | |
| 14 | Point72 Asset Management, L.P. | $18.1M | 790K | ▼−2.1% Reduced · −17K sh | Q1 2026 | |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $17.4M | 757K | ▲New +757K sh | Q1 2026 | |
| 16 | TUDOR INVESTMENT CORP ET AL | $16.9M | 735K | ▲New +735K sh | Q1 2026 | |
| 17 | MILLENNIUM MANAGEMENT LLC | $16.5M | 720K | ▼−19% Reduced · −168K sh | Q1 2026 | |
| 18 | JPMORGAN CHASE & CO | $14.4M | 653K | ▲+210% Added · +442K sh | Q1 2026 | |
| 19 | BlackRock, Inc. | $13.8M | 600K | ▲+268% Added · +438K sh | Q1 2026 | |
| 20 | BANK OF AMERICA CORP /DE/ | $13.0M | 566K | ▲+49% Added · +185K sh | Q1 2026 | |
| 21 | Bridgewater Associates, LP | $12.7M | 551K | ▼−8.8% Reduced · −53K sh | Q1 2026 | |
| 22 | JANE STREET GROUP, LLC | $12.6M | 550K | ▲+54% Added · +193K sh | Q1 2026 | |
| 23 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | $12.0M | 523K | ▲+164% Added · +324K sh | Q1 2026 | |
| 24 | CITADEL ADVISORS LLC | $9.4M | 411K | ▲Added Added · +411K sh | Q1 2026 | |
| 25 | Russell Investments Group, Ltd. | $8.7M | 379K | ▲+47% Added · +121K 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.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 57 funds | $16.4B |
| AMAZON.COM INCAMZN | 56 funds | $14.5B |
| ELI LILLY & COLLY | 56 funds | $4.6B |
| ALPHABET INC-CL AGOOGL | 55 funds | $13.4B |
| BROADCOM INCAVGO | 55 funds | $9.4B |
| META PLATFORMS INC-CLASS AMETA | 55 funds | $7.9B |
| VISA INC-CLASS A SHARESV | 55 funds | $3.9B |
| COSTCO WHOLESALE CORPCOST | 55 funds | $3.8B |
| LAM RESEARCH CORPLRCX | 55 funds | $2.5B |
| FREEPORT-MCMORAN INCFCX | 55 funds | $768.2M |
| GENERAL MOTORS COGM | 55 funds | $656.2M |
| NVIDIA CORPNVDA | 54 funds | $24.5B |
Ranked by how many of SBLK's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 11, 2026 | Karellis Nikolaos | Director | Sell (S) | 20K | $539K |
| Jun 1, 2026 | Reskos Nikolaos | Chief Operating Officer | Sell (S) | 5K | $142K |
| May 21, 2026 | Reskos Nikolaos | Chief Operating Officer | Sell (S) | 30K | $819K |
| May 20, 2026 | Reskos Nikolaos | Chief Operating Officer | Sell (S) | 10K | $263K |
| May 19, 2026 | Reskos Nikolaos | Chief Operating Officer | Sell (S) | 86 | $2K |
| May 18, 2026 | Reskos Nikolaos | Chief Operating Officer | Sell (S) | 33K | $870K |
| Apr 15, 2026 | Reskos Nikolaos | COO | Sell (S) | 8K | $211K |
| Apr 14, 2026 | Reskos Nikolaos | COO | Sell (S) | 2K | $40K |
| Apr 8, 2026 | Plakantonaki Charis | Chief Strategy Officer | Sell (S) | 17K | $405K |
| Mar 31, 2026 | Zagari Raffaele | Director | Buy (S) | 12K | $262K |
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/SBLK/capital-change-brief"
Use Arkolith's capital_change_brief for SBLK. 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 SBLK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.