Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in NBR held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1.3M | $110.1M | +0.9% | 8.858% | 0.00% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 665K | $55.9M | +5.7% | 4.494% | 0.00% |
| 3 | AMERICAN CENTURY COMPANIES INC | 640K | $53.8M | +26.6% | 4.329% | 0.02% |
| 4 | DIMENSIONAL FUND ADVISORS LP | 587K | $49.3M | +31.0% | 3.964% | 0.01% |
| 5 | Parallax Volatility Advisers, L.P. | 574K | $48.2M | +11.3% | 3.880% | 0.08% |
| 6 | STATE STREET CORP | 485K | $40.7M | +4.2% | 3.276% | 0.00% |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 460K | $38.7M | +20.0% | 3.112% | 0.00% |
| 8 | MILLER VALUE PARTNERS, LLC | 445K | $37.4M | +0.2% | 3.011% | 8.85% |
| 9 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 420K | $35.3M | -43.2% | 2.839% | 0.05% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 418K | $35.1M | +18.9% | 2.827% | 0.00% |
| 11 | Engineers Gate Manager LP | 415K | $34.8M | +1518.1% | 2.802% | 0.45% |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 378K | $31.7M | -19.9% | 2.553% | 0.00% |
| 13 | GENDELL JEFFREY L | 348K | $29.3M | +1.6% | 2.354% | 0.26% |
| 14 | TWO SIGMA INVESTMENTS, LP | 332K | $27.9M | -15.7% | 2.241% | 0.02% |
| 15 | VAN ECK ASSOCIATES CORP | 329K | $27.6M | +5.9% | 2.220% | 0.02% |
| 16 | Encompass Capital Advisors LLC | 315K | $26.5M | — | 2.129% | 0.94% |
| 17 | AQR CAPITAL MANAGEMENT LLC | 304K | $25.5M | +7.4% | 2.051% | 0.01% |
| 18 | GOLDMAN SACHS GROUP INC | 266K | $22.3M | +91.7% | 1.796% | 0.00% |
| 19 | CIBC WORLD MARKET INC. | 265K | $22.2M | -43.4% | 1.789% | 0.04% |
| 20 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 192K | $16.1M | +49.3% | 1.296% | 0.00% |
| 21 | MACKENZIE FINANCIAL CORP | 175K | $14.7M | +283.2% | 1.184% | 0.01% |
| 22 | MORGAN STANLEY | 168K | $14.1M | -16.6% | 1.138% | 0.00% |
| 23 | Allianz Asset Management GmbH | 155K | $13.0M | +62.3% | 1.049% | 0.01% |
| 24 | NORTHERN TRUST CORP | 146K | $12.2M | +6.7% | 0.985% | 0.00% |
| 25 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 134K | $11.2M | +36.9% | 0.904% | 0.20% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in NBR — a direct measure of their conviction.
Filings activity in NBR during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 250 | +5.5% | 88.53% | +7.62 pp | $1.09B | +10% |
| Q1 2026 | 237 | +25% | 80.91% | 6.67 pp | $994M | +46% |
| Q4 2025 | 190 | +7.3% | 87.58% | 17.58 pp | $681M | +11% |
| Q3 2025 | 177 | +16% | 105.16% | +9.97 pp | $612M | +55% |
| Q2 2025 | 152 | 12% | 95.19% | +12.72 pp | $395M | 13% |
| Q1 2025 | 172 | +4.2% | 82.47% | +25.11 pp | $456M | 0.8% |
| Q4 2024 | 165 | 6.8% | 57.36% | 3.98 pp | $459M | 19% |
| Q3 2024 | 177 | — | 61.34% | — | $564M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying NBR stock.
Based on Q2 2026 13F filings, institutional ownership of Nabors Industries Ltd. stands at 88.5%, held across 250 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of NBR, with approximately 1,310,684 shares worth $0.11B as of Q2 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of NBR, including TWO SIGMA INVESTMENTS, LP, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for NBR is 67 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
45 institutions opened new positions in NBR during Q2 2026, while 34 fully exited. 90 added to existing positions and 109 trimmed.
NBR institutional ownership rose by 7.62 percentage points quarter-over-quarter, with a net change of +13 holders.
The top 10 institutions account for 46.1% of all reported 13F value in NBR, and the top 25 account for 76.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Nabors Industries Ltd. (NBR) Institutional Ownership