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/TBN/capital-change-brief"
Use Arkolith's capital_change_brief for TBN. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Alberta Investment Management Corp | $42.9M | 859K | —Held | Q1 2026 | |
| 2 | GILDER GAGNON HOWE & CO LLC | $42.0M | 841K | ▲+5.8% Added · +46K sh | Q1 2026 | |
| 3 | Encompass Capital Advisors LLC | $35.7M | 714K | —Held | Q1 2026 | |
| 4 | Yaupon Capital Management LP | $26.8M | 535K | ▲+3.8% Added · +20K sh | Q1 2026 | |
| 5 | UBS Group AG | $23.4M | 468K | ▲+7.9% Added · +34K sh | Q1 2026 | |
| 6 | Ancient Art, L.P. | $21.9M | 437K | —Held | Q1 2026 | |
| 7 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | $11.9M | 238K | ▲+114% Added · +127K sh | Q1 2026 | |
| 8 | SCS Capital Management LLC | $10.0M | 200K | ▲+114% Added · +106K sh | Q1 2026 | |
| 9 | REAVES W H & CO INC | $8.5M | 170K | ▲+70% Added · +70K sh | Q1 2026 | |
| 10 | COOPER INVESTORS PTY LTD | $5.1M | 155K | ▲+514% Added · +130K sh | Q2 2026 | |
| 11 | TWO SIGMA INVESTMENTS, LP | $7.6M | 153K | ▲+173% Added · +97K sh | Q1 2026 | |
| 12 | Aventail Capital Group, LP | $7.5M | 150K | ▼−0.5% Reduced · −680 sh | Q1 2026 | |
| 13 | CITADEL ADVISORS LLC | $7.3M | 147K | ▼−69% Reduced · −329K sh | Q1 2026 | |
| 14 | MACQUARIE GROUP LTD | $6.8M | 135K | ▲+18% Added · +20K sh | Q1 2026 | |
| 15 | MARSHALL WACE, LLP | $5.7M | 113K | ▲New +113K sh | Q1 2026 | |
| 16 | FRANKLIN RESOURCES INC | $5.3M | 106K | ▲+43% Added · +32K sh | Q1 2026 | |
| 17 | Cinctive Capital Management LP | $5.1M | 102K | ▲+516% Added · +85K sh | Q1 2026 | |
| 18 | Zimmer Partners, LP | $4.6M | 91K | ▼−36% Reduced · −52K sh | Q1 2026 | |
| 19 | Merewether Investment Management, LP | $3.4M | 69K | ▼−1.6% Reduced · −1K sh | Q1 2026 | |
| 20 | BANK OF AMERICA CORP /DE/ | $2.7M | 53K | ▲+65% Added · +21K sh | Q1 2026 | |
| 21 | HighTower Advisors, LLC | $2.4M | 48K | ▲+162% Added · +29K sh | Q1 2026 | |
| 22 | MILLENNIUM MANAGEMENT LLC | $2.4M | 47K | ▲+26% Added · +10K sh | Q1 2026 | |
| 23 | CLOUGH CAPITAL PARTNERS L P | $2.3M | 47K | ▲New +47K sh | Q1 2026 | |
| 24 | MORGAN STANLEY | $2.0M | 41K | ▲+737% Added · +36K sh | Q1 2026 | |
| 25 | Quadrature Capital Ltd | $1.6M | 33K | ▲New +33K 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 |
|---|---|---|---|---|---|
| Jun 1, 2026 | SIEGEL DAVID N | Director | Grant (A) | 3K | $0 |
| Jun 1, 2026 | STONEBURNER RICHARD K | Director | Grant (A) | 3K | $0 |
| Jun 1, 2026 | Elliott Patrick James Dymock | Director | Grant (A) | 3K | $0 |
| Jun 1, 2026 | SHEFFIELD SCOTT D | Director | Grant (A) | 3K | $0 |
| Jun 1, 2026 | Barrett Fredrick J | Director | Grant (A) | 3K | $0 |
| Jun 1, 2026 | Bellman Jeffrey Lance | Director | Grant (A) | 3K | $0 |
| Jun 1, 2026 | PACE PHILLIP Z | Director | Grant (A) | 3K | $0 |
| Jun 1, 2026 | Dalton Ryan | Director | Grant (A) | 3K | $0 |
| Jun 1, 2026 | Robb Andrew John | Director | Grant (A) | 3K | $0 |
| May 26, 2026 | PACE PHILLIP Z | Director | Grant (A) | 3K | $0 |
| May 26, 2026 | SHEFFIELD SCOTT D | Director | Grant (A) | 3K | $0 |
| May 26, 2026 | SIEGEL DAVID N | Director | Grant (A) | 4K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| EQT CORPEQT | 12 funds | $293.2M |
| PERMIAN RESOURCES CORP-CL APR | 11 funds | $617.4M |
| WILLIAMS COS INCWMB | 11 funds | $510.1M |
| ENTERGY CORPETR | 10 funds | $885.6M |
| TALEN ENERGY CORPTLN | 10 funds | $597.8M |
| GE VERNOVA INCGEV | 10 funds | $595.0M |
| BP PLC-SPONS ADRBP | 10 funds | $485.2M |
| AMEREN CORPORATIONAEE | 10 funds | $413.3M |
| CRH PLCCRH | 10 funds | $332.1M |
| PHILLIPS 66PSX | 10 funds | $219.5M |
| VERTIV HOLDINGS CO-AVRT | 10 funds | $98.6M |
| AMAZON.COM INCAMZN | 9 funds | $4.1B |
Ranked by how many of TBN'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 TBN. 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.