113 tracked 13F filers disclose a position in ACTG as of the latest SEC 13F filings, a combined $404.2M 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 | Starboard Value LP | $294.0M | 61.1M | —Held | Q1 2026 | |
| 2 | STATE STREET CORP | $14.8M | 3.2M | ▲+2.0% Added · +62K sh | Q2 2026 | |
| 3 | DIMENSIONAL FUND ADVISORS LP | $13.7M | 2.9M | ▲+3.4% Added · +95K sh | Q1 2026 | |
| 4 | BlackRock, Inc. | $11.6M | 2.4M | ▲+1.8% Added · +43K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $7.7M | 1.6M | →First observed position No prior filed position | Q1 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $6.8M | 1.4M | ▲+0.9% Added · +12K sh | Q1 2026 | |
| 7 | Krilogy Financial LLC | $5.6M | 1.1M | ▼−9.3% Reduced · −116K sh | Q1 2026 | |
| 8 | Peapod Lane Capital LLC | $4.6M | 995K | ▼−8.8% Reduced · −97K sh | Q2 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $4.2M | 901K | ▲+5.0% Added · +43K sh | Q2 2026 | |
| 10 | Pacific Ridge Capital Partners, LLC | $3.8M | 811K | ▼−0.8% Reduced · −6K sh | Q2 2026 | |
| 11 | Formidable Asset Management, LLC | $3.7M | 793K | ▼−5.5% Reduced · −46K sh | Q2 2026 | |
| 12 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $2.9M | 604K | ▲+37% Added · +162K sh | Q1 2026 | |
| 13 | GOLDMAN SACHS GROUP INC | $2.8M | 584K | ▲+89% Added · +275K sh | Q1 2026 | |
| 14 | AMERICAN CENTURY COMPANIES INC | $2.5M | 511K | ▲+3.7% Added · +18K sh | Q1 2026 | |
| 15 | AEGIS FINANCIAL CORP | $2.3M | 491K | —Held | Q2 2026 | |
| 16 | Tidal Investments LLC | $2.0M | 424K | ▼−3.0% Reduced · −13K sh | Q2 2026 | |
| 17 | Empowered Funds, LLC | $1.6M | 340K | ▲New +340K sh | Q1 2026 | |
| 18 | MORGAN STANLEY | $1.3M | 277K | ▼−38% Reduced · −166K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $1.3M | 270K | ▲+11% Added · +27K sh | Q1 2026 | |
| 20 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.3M | 262K | →First observed position No prior filed position | Q1 2026 | |
| 21 | VANGUARD FIDUCIARY TRUST CO | $1.1M | 221K | →First observed position No prior filed position | Q1 2026 | |
| 22 | CITADEL ADVISORS LLC | $950K | 198K | ▼−40% Reduced · −134K sh | Q1 2026 | |
| 23 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $944K | 196K | ▲+41% Added · +57K sh | Q1 2026 | |
| 24 | FRANKLIN RESOURCES INC | $891K | 185K | ▲New +185K sh | Q1 2026 | |
| 25 | JANE STREET GROUP, LLC | $844K | 175K | ▲+233% Added · +123K 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, 8 funds opened a new position in ACTG and 11 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 |
|---|---|---|
| NVIDIA CORPNVDA | 48 funds | $169.6B |
| MICROSOFT CORPMSFT | 48 funds | $114.8B |
| AMAZON.COM INCAMZN | 48 funds | $82.9B |
| ALPHABET INC-CL AGOOGL | 48 funds | $63.6B |
| VISA INC-CLASS A SHARESV | 48 funds | $28.6B |
| JPMORGAN CHASE & COJPM | 48 funds | $24.9B |
| ALPHABET INC-CL CGOOG | 47 funds | $58.3B |
| META PLATFORMS INC-CLASS AMETA | 47 funds | $51.4B |
| ELI LILLY & COLLY | 47 funds | $34.6B |
| COSTCO WHOLESALE CORPCOST | 47 funds | $15.1B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 47 funds | $14.8B |
| MICRON TECHNOLOGY INCMU | 47 funds | $12.1B |
Ranked by how many of ACTG's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 19, 2026 | OCONNELL MAUREEN | Director | Sell (S) | 10K | $46K |
| Aug 12, 2026 | Kohlberg Isaac T. | Director | Sell (S) | 32K | $150K |
| Aug 11, 2025 | Zambito Michael SIKORYAK | Chief Financial Officer | Buy (P) | 8K | $25K |
| Jun 11, 2025 | Kohlberg Isaac T. | Director | Sell (S) | 16K | $61K |
| May 21, 2025 | Soncini Jason W. | General Counsel | Buy (P) | 7K | $27K |
| May 19, 2025 | McNulty Martin D. Jr. | Chief Executive Officer, Director | Buy (P) | 5K | $20K |
| Nov 25, 2024 | Kohlberg Isaac T. | Director | Sell (S) | 15K | $69K |
| May 17, 2024 | McNulty Martin D. Jr. | Chief Executive Officer, Director | Buy (P) | 4K | $24K |
| May 17, 2024 | Soncini Jason W. | General Counsel | Buy (P) | 5K | $27K |
| May 16, 2024 | McNulty Martin D. Jr. | Chief Executive Officer, Director | Buy (P) | 15K | $76K |
| May 26, 2023 | Soncini Jason W. | General Counsel | Buy (P) | 13K | $50K |
| May 24, 2023 | McNulty Martin D. Jr. | Interim CEO | Buy (P) | 40K | $150K |
Connected entities for ACTG
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/ACTG/capital-change-brief"
Use Arkolith's capital_change_brief for ACTG. 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 ACTG. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.