Among active 13F managers last quarter, 8 opened and 30 added, while 19 reduced; the largest holder to move was American Century Companies Inc (−5.1%). Over the last 180 days, 1 insider bought and none sold, a net +$500K in open-market trades.
Funds lean in and no leg opposes.
305 tracked 13F filers disclose a position in NOG as of the latest SEC 13F filings, a combined $2.3B 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 16.0M | $291.2M | ▲+2.0% Added · +323K sh | Q2 2026 | |
| 2 | American Century Companies Inc | 8.0M | $233.1M | ▼−5.1% Reduced · −426K sh | Q1 2026 | |
| 3 | State Street Corp | 7.2M | $133.5M | ▲+9.8% Added · +644K sh | Q2 2026 | |
| 4 | Vanguard Portfolio Management LLC | 6.9M | $124.5M | ▲+4.2% Added · +277K sh | Q2 2026 | |
| 5 | Vanguard Capital Management LLC | 4.6M | $83.2M | ▲+1.8% Added · +80K sh | Q2 2026 | |
| 6 | Dimensional Fund Advisors LP | 4.1M | $121.2M | ▼−2.3% Reduced · −97K sh | Q1 2026 | |
| 7 | AllianceBernstein L.P. | 3.4M | $73.7M | ▼−3.0% Reduced · −105K sh | Q1 2026 | |
| 8 | Geode Capital Management, LLC | 2.7M | $49.2M | ▲+11% Added · +267K sh | Q2 2026 | |
| 9 | UBS Group AG | 2.6M | $76.4M | ▲+12% Added · +270K sh | Q1 2026 | |
| 10 | Morgan Stanley | 2.4M | $70.1M | ▲+6.0% Added · +135K sh | Q1 2026 | |
| 11 | Nuveen, LLC | 1.7M | $50.7M | ▲+32% Added · +417K sh | Q1 2026 | |
| 12 | Charles Schwab Investment Management Inc | 1.7M | $49.2M | ▲+16% Added · +232K sh | Q1 2026 | |
| 13 | Hood River Capital Management LLC | 1.5M | $27.8M | ▼−3.3% Reduced · −53K sh | Q2 2026 | |
| 14 | FMR LLC | 1.5M | $27.2M | ▼−77% Reduced · −4.9M sh | Q2 2026 | |
| 15 | Bank of New York Mellon Corp | 1.5M | $42.7M | ▼−0.6% Reduced · −9K sh | Q1 2026 | |
| 16 | Goldman Sachs Group Inc | 1.4M | $40.7M | ▲+74% Added · +592K sh | Q1 2026 | |
| 17 | Deprince Race & Zollo Inc | 1.4M | $25.0M | ▲+18% Added · +206K sh | Q2 2026 | |
| 18 | Voya Investment Management LLC | 1.3M | $38.5M | ▲+37% Added · +356K sh | Q1 2026 | |
| 19 | Encompass Capital Advisors LLC | 1.3M | $22.7M | ▲New +1.3M sh | Q2 2026 | |
| 20 | Bank Of America Corp | 1.2M | $36.4M | ▲+19% Added · +195K sh | Q1 2026 | |
| 21 | First Trust Advisors LP | 1.2M | $34.1M | ▲+117% Added · +629K sh | Q1 2026 | |
| 22 | Northern Trust Corp | 1.0M | $29.9M | ▲+6.4% Added · +62K sh | Q1 2026 | |
| 23 | Kennedy Capital Management LLC | 929K | $27.2M | ▲+5.1% Added · +45K sh | Q1 2026 | |
| 24 | New York State Common Retirement Fund | 825K | $24.1M | ▲+11% Added · +79K sh | Q1 2026 | |
| 25 | Royal Bank Of Canada | 812K | $23.7M | ▼−2.7% Reduced · −23K 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 NOG and 30 added to an existing one, while 19 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 22, 2026 | Akradi Bahram | Director | Buy (P) | 26K | $500K |
| Dec 11, 2025 | Easley Roy Ernest | Director | Buy (P) | 10K | $234K |
| Dec 10, 2025 | Easley Roy Ernest | Director | Buy (P) | 15K | $367K |
| Mar 7, 2025 | O'Grady Nicholas L. | CEO, Director | Buy (P) | 1K | $27K |
| Mar 4, 2025 | Lasher Stuart G. | Director | Buy (P) | 20K | $552K |
| Mar 4, 2025 | Akradi Bahram | Director | Buy (P) | 40K | $1.1M |
| Mar 3, 2025 | O'Grady Nicholas L. | CEO, Director | Buy (P) | 2K | $43K |
| Feb 3, 2025 | Romslo Erik J. | Chief Legal Officer & Sec. | Sell (S) | 2K | $53K |
| Jan 10, 2025 | Allen Chad W | CFO | Sell (S) | 500 | $20K |
| Jan 6, 2025 | Dirlam Adam A. | President | Sell (S) 2 lots, same day | 958 | $37K |
| Jan 2, 2025 | Romslo Erik J. | Chief Legal Officer & Sec. | Sell (S) | 2K | $57K |
| Jan 2, 2025 | Allen Chad W | CFO | Sell (S) | 500 | $19K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 59 | 29 | – |
Insiders Form 4 open-market | 1 | 0 | +$500K |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
No filings captured for this ticker in the live stream yet.
Connected entities for NOG
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/NOG/capital-change-brief"
Use Arkolith's capital_change_brief for NOG. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + the live filing stream, joined for NOG. Filings are public domain, sourced to SEC EDGAR.