89 tracked 13F filers disclose a position in ARTNA as of the latest SEC 13F filings, a combined $129.5M 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 | T. Rowe Price Investment Management, Inc. | Withheld | 908K | ▲+0.6% Added · +5K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $12.4M | 388K | →First observed position No prior filed position | Q1 2026 | |
| 3 | RENAISSANCE TECHNOLOGIES LLC | $10.2M | 320K | ▲+15% Added · +42K sh | Q1 2026 | |
| 4 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $6.4M | 200K | ▲+33% Added · +50K sh | Q1 2026 | |
| 5 | MORGAN STANLEY | $6.2M | 196K | ▲+22% Added · +35K sh | Q1 2026 | |
| 6 | DIMENSIONAL FUND ADVISORS LP | $6.0M | 190K | ▲+0.6% Added · +1K sh | Q1 2026 | |
| 7 | UBS Group AG | $5.5M | 171K | ▲+166% Added · +107K sh | Q1 2026 | |
| 8 | BlackRock, Inc. | $5.4M | 171K | ▼−82% Reduced · −773K sh | Q1 2026 | |
| 9 | TWO SIGMA INVESTMENTS, LP | $5.3M | 167K | ▲+197% Added · +111K sh | Q1 2026 | |
| 10 | Kestra Advisory Services, LLC | $5.6M | 165K | ▼−0.7% Reduced · −1K sh | Q2 2026 | |
| 11 | Prospera Financial Services Inc | $5.3M | 157K | ▼−0.6% Reduced · −895 sh | Q2 2026 | |
| 12 | JANE STREET GROUP, LLC | $4.8M | 150K | ▲+607% Added · +129K sh | Q1 2026 | |
| 13 | ROFFMAN MILLER ASSOCIATES INC /PA/ | $4.7M | 146K | ▲+6.3% Added · +9K sh | Q1 2026 | |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | $3.2M | 102K | ▼−6.6% Reduced · −7K sh | Q1 2026 | |
| 15 | MARSHALL WACE, LLP | $3.2M | 101K | ▲+94% Added · +49K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $3.1M | 98K | ▲+57% Added · +36K sh | Q1 2026 | |
| 17 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $3.0M | 95K | ▲+2.0% Added · +2K sh | Q1 2026 | |
| 18 | MILLENNIUM MANAGEMENT LLC | $2.7M | 84K | ▲+101% Added · +42K sh | Q1 2026 | |
| 19 | FIRST MANHATTAN CO. LLC. | $2.4M | 76K | ▼−12% Reduced · −11K sh | Q1 2026 | |
| 20 | Bank of New York Mellon Corp | $2.4M | 74K | ▼−3.1% Reduced · −2K sh | Q1 2026 | |
| 21 | DEPRINCE RACE & ZOLLO INC | $2.3M | 74K | ▲+12% Added · +8K sh | Q1 2026 | |
| 22 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $2.3M | 74K | ▲+30% Added · +17K sh | Q1 2026 | |
| 23 | STATE STREET CORP | $2.2M | 69K | ▲+3.5% Added · +2K sh | Q1 2026 | |
| 24 | VANGUARD PORTFOLIO MANAGEMENT LLC | $2.1M | 65K | →First observed position No prior filed position | Q1 2026 | |
| 25 | Russell Investments Group, Ltd. | $1.8M | 57K | ▼−6.8% Reduced · −4K 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, 10 funds opened a new position in ARTNA and 20 added to an existing one, while 8 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 | 21 funds | $4.9B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 21 funds | $2.7B |
| UNITEDHEALTH GROUP INCUNH | 20 funds | $1.8B |
| US BANCORPUSB | 20 funds | $1.1B |
| MORGAN STANLEYMS | 20 funds | $1.1B |
| WELLS FARGO & COWFC | 20 funds | $1.0B |
| RTX CORPRTX | 20 funds | $1.0B |
| GENERAL MOTORS COGM | 20 funds | $962.7M |
| EXXON MOBIL CORPXOM | 20 funds | $877.6M |
| CAPITAL ONE FINANCIAL CORPCOF | 20 funds | $805.5M |
| GENERAL DYNAMICS CORPGD | 20 funds | $530.4M |
| CONOCOPHILLIPSCOP | 20 funds | $498.0M |
Ranked by how many of ARTNA's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 23, 2026 | TAYLOR DIAN C | Director | Sell (S) | 1K | $31K |
| Mar 20, 2026 | TAYLOR DIAN C | Director | Sell (S) | 2K | $62K |
| Mar 19, 2026 | TAYLOR DIAN C | Director | Sell (S) | 2K | $62K |
| Dec 22, 2025 | TAYLOR DIAN C | Director | Sell (S) | 2K | $71K |
| Dec 19, 2025 | TAYLOR DIAN C | Director | Sell (S) | 2K | $71K |
| Aug 28, 2025 | THAEDER JOHN M | Senior Vice President | Sell (S) | 1K | $33K |
| Aug 22, 2025 | THAEDER JOHN M | Senior Vice President | Sell (S) | 1K | $33K |
| Aug 21, 2025 | THAEDER JOHN M | Senior Vice President | Sell (S) | 1K | $33K |
| Dec 20, 2023 | Taylor Nicholle Renee | Senior Vice President, Director | Sell (S) | 5K | $203K |
| Dec 14, 2023 | THAEDER JOHN M | Senior Vice President | Sell (S) | 3K | $110K |
| Nov 21, 2023 | THAEDER JOHN M | Senior Vice President | Sell (S) | 200 | $8K |
| Sep 20, 2023 | THAEDER JOHN M | Senior Vice President | Sell (S) | 500 | $23K |
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/ARTNA/capital-change-brief"
Use Arkolith's capital_change_brief for ARTNA. 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 ARTNA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.