151 tracked 13F filers disclose a position in TBPH as of the latest SEC 13F filings, a combined $755.1M 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 | Madison Avenue Partners, LP | $154.4M | 9.5M | —Held | Q1 2026 | |
| 2 | Weiss Asset Management LP | $121.0M | 7.5M | —Held | Q1 2026 | |
| 3 | Newtyn Management, LLC | $78.6M | 4.8M | ▲+13% Added · +542K sh | Q1 2026 | |
| 4 | BlackRock, Inc. | $69.7M | 4.3M | ▲+6.1% Added · +246K sh | Q1 2026 | |
| 5 | Irenic Capital Management LP | $44.8M | 2.8M | —Held | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $29.0M | 1.8M | →First observed position No prior filed position | Q1 2026 | |
| 7 | STATE STREET CORP | $21.1M | 1.3M | ▲+18% Added · +195K sh | Q1 2026 | |
| 8 | TWO SIGMA INVESTMENTS, LP | $20.4M | 1.3M | ▲+134% Added · +721K sh | Q1 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $18.5M | 1.1M | ▲+21% Added · +199K sh | Q1 2026 | |
| 10 | DIMENSIONAL FUND ADVISORS LP | $16.0M | 984K | ▲+15% Added · +125K sh | Q1 2026 | |
| 11 | D. E. Shaw & Co., Inc. | $15.5M | 954K | ▼−24% Reduced · −306K sh | Q1 2026 | |
| 12 | UBS Group AG | $12.4M | 764K | ▲+34% Added · +194K sh | Q1 2026 | |
| 13 | Oasis Management Co Ltd. | $9.5M | 583K | ▼−20% Reduced · −144K sh | Q1 2026 | |
| 14 | MORGAN STANLEY | $8.3M | 510K | ▼−36% Reduced · −293K sh | Q1 2026 | |
| 15 | GOLDMAN SACHS GROUP INC | $6.8M | 416K | ▲+43% Added · +125K sh | Q1 2026 | |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | $6.5M | 401K | →First observed position No prior filed position | Q1 2026 | |
| 17 | JANUS HENDERSON GROUP PLC | $6.2M | 379K | ▼−5.4% Reduced · −22K sh | Q1 2026 | |
| 18 | NORTHERN TRUST CORP | $6.0M | 371K | ▲+12% Added · +41K sh | Q1 2026 | |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5.5M | 342K | ▲16× Added · +320K sh | Q1 2026 | |
| 20 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $5.3M | 328K | ▼−66% Reduced · −636K sh | Q1 2026 | |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $5.0M | 311K | ▼−0.9% Reduced · −3K sh | Q1 2026 | |
| 22 | Qube Research & Technologies Ltd | $4.7M | 289K | ▼−39% Reduced · −184K sh | Q1 2026 | |
| 23 | VANGUARD FIDUCIARY TRUST CO | $4.3M | 262K | →First observed position No prior filed position | Q1 2026 | |
| 24 | 683 Capital Management, LLC | $4.1M | 250K | ▲New +250K sh | Q1 2026 | |
| 25 | Connor, Clark & Lunn Investment Management Ltd. | $4.1M | 250K | ▲+13% Added · +28K 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, 14 funds opened a new position in TBPH and 16 added to an existing one, while 15 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 |
|---|---|---|
| ALPHABET INC-CL AGOOGL | 74 funds | $97.4B |
| APPLE INCAAPL | 73 funds | $188.8B |
| ELI LILLY & COLLY | 73 funds | $50.2B |
| MICROSOFT CORPMSFT | 72 funds | $175.8B |
| BROADCOM INCAVGO | 72 funds | $106.0B |
| META PLATFORMS INC-CLASS AMETA | 72 funds | $70.6B |
| LAM RESEARCH CORPLRCX | 71 funds | $23.2B |
| MICRON TECHNOLOGY INCMU | 71 funds | $22.2B |
| CHEVRON CORPCVX | 71 funds | $18.8B |
| NVIDIA CORPNVDA | 70 funds | $253.1B |
| AMAZON.COM INCAMZN | 70 funds | $124.6B |
| TESLA INCTSLA | 70 funds | $42.7B |
Ranked by how many of TBPH's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 7, 2026 | Samaha Eli | 10% Owner | Sell (S) | 6K | $96K |
| Jul 6, 2026 | Samaha Eli | 10% Owner | Sell (S) | 1K | $24K |
| Jul 1, 2026 | Samaha Eli | 10% Owner | Sell (S) | 38K | $643K |
| Jun 30, 2026 | Samaha Eli | 10% Owner | Sell (S) | 25K | $429K |
| Jun 29, 2026 | Samaha Eli | 10% Owner | Sell (S) | 274K | $4.7M |
| Jun 15, 2026 | Farnum Rhonda | SVP, COMM & MEDICAL AFFAIRS | Sell (S) | 3K | $55K |
| Jun 15, 2026 | Farnum Rhonda | SVP, COMM & MEDICAL AFFAIRS | Sell (S) | 3K | $55K |
| Jun 15, 2026 | Farnum Rhonda | SVP, COMM & MEDICAL AFFAIRS | Sell (S) | 7K | $109K |
| Mar 16, 2026 | Farnum Rhonda | SVP, COMM & MEDICAL AFFAIRS | Sell (S) | 8K | $108K |
| Mar 16, 2026 | Farnum Rhonda | SVP, COMM & MEDICAL AFFAIRS | Sell (S) | 8K | $108K |
| Mar 16, 2026 | Farnum Rhonda | SVP, COMM & MEDICAL AFFAIRS | Sell (S) | 16K | $217K |
| Dec 3, 2025 | Farnum Rhonda | SVP, COMM & MEDICAL AFFAIRS | Sell (S) | 8K | $146K |
Connected entities for TBPH
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/TBPH/capital-change-brief"
Use Arkolith's capital_change_brief for TBPH. 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 TBPH. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.