Security record · archived quarter
TS
Tenaris S.A. · Energy · Oil & Gas Equipment & Services
81Tracked holders
+9Δ holders
25.58MShares held
$1.47BReported value
+14New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +12.5% ·
share flow +25.4% ·
net new positions +11.1%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 9.64K | $544,654 | n/a | n/a |
| Q2 2026 | 83 | +4 | 28.41M | $1.56B | +9 | −6 |
| Q1 2026 | 81 | +9 | 25.58M | $1.47B | +14 | −5 |
| Q4 2025 | 72 | +1 | 20.40M | $774.87M | +1 | n/a |
| Q3 2025 | 15 | -1 | 13.56M | $484.98M | n/a | −1 |
| Q2 2025 | 13 | +1 | 12.62M | $471.84M | +1 | n/a |
| Q1 2025 | 9 | 0 | 12.05M | $471.09M | +1 | −1 |
| Q4 2024 | 9 | 0 | 12.35M | $466.88M | +1 | −1 |
| Q3 2024 | 9 | -2 | 12.65M | $402.20M | n/a | −2 |
| Q2 2024 | 11 | n/a | 9.63M | $293.84M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 8.25M | +275.3% | $480.09M | 0.0% | ▲ Add | 4 | SEC ↗ ×4 |
| 2 | Renaissance Technologies ✦ | 3.20M | +7.9% | $186.16M | 0.3% | ▲ Add | 8 | SEC ↗ |
| 3 | Wellington Management ✦ | 2.41M | -10.3% | $139.92M | 0.0% | ▼ Trim | 8 | SEC ↗ ×4 |
| 4 | T. Rowe Price ✦ | 1.45M | -12.4% | $84.08M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 5 | Morgan Stanley ✦ | 1.18M | +0.7% | $68.54M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 6 | Invesco Ltd. | 1.17M | +113.9% | $67.98M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 7 | Dimensional Fund Advisors Lp | 1.12M | -9.2% | $65.22M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 8 | Goldman Sachs Group ✦ | 720.89K | -12.0% | $41.94M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 9 | BlackRock ✦ (passive) | 715.79K | +2.8% | $41.64M | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 10 | Massachusetts Financial Services Co… | 646.85K | -1.5% | $38.08M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 11 | UBS Group AG | 498.98K | +124.0% | $29.03M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 12 | Assetmark, Inc | 490.78K | -2.6% | $28.55M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 13 | Grantham, Mayo, Van Otterloo & Co.… | 347.58K | +4.6% | $20.22M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 14 | Citadel Advisors ✦ | 292.42K | -68.6% | $17.01M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 15 | Pacer Advisors, Inc. | 543.67K | +7.4% | $16.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | Northern Trust Corp | 217.90K | -3.2% | $12.68M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 17 | State Street Global Advisors ✦ (passive) | 203.18K | +1.2% | $11.82M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 18 | Connor, Clark & Lunn Investment… | 178.44K | New | $10.38M | 0.0% | New | 1 | SEC ↗ |
| 19 | Bank Of America Corp /De/ | 158.44K | -53.0% | $9.22M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 20 | Legal & General Group Plc | 146.51K | -12.8% | $8.52M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | Quantinno Capital Management LP | 146.35K | +20.9% | $8.51M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | National Bank Of Canada /Fi/ | 145.85K | New | $8.48M | 0.0% | New | 1 | SEC ↗ |
| 23 | AQR Capital Management ✦ | 145.43K | +31.2% | $8.46M | 0.0% | ▲ Add | 8 | SEC ↗ ×4 |
| 24 | Jane Street Group, Llc | 100.84K | New | $5.87M | 0.0% | New | 1 | SEC ↗ ×2 |
| 25 | Creative Planning | 72.82K | +26.0% | $4.24M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 26 | Millennium Management ✦ | 68.72K | -56.0% | $4.00M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 27 | Citigroup Inc | 61.45K | +27.9% | $3.57M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 28 | Lazard Asset Management Llc | 58.25K | +0.5% | $3.39M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 29 | Charles Schwab Investment… | 57.34K | +10.7% | $3.34M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 30 | Wells Fargo & Company/Mn | 44.39K | +408.8% | $2.58M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 31 | Mariner, LLC | 40.31K | +29.1% | $2.34M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 32 | Hrt Financial Lp | 39.77K | New | $2.31M | 0.0% | New | 1 | SEC ↗ |
| 33 | Mercer Global Advisors Inc /Adv | 33.64K | -16.3% | $1.96M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 34 | New York State Common Retirement… | 33.40K | -22.0% | $1.94M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 35 | Cerity Partners LLC | 31.62K | +5.2% | $1.84M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 36 | Bank Of Montreal /Can/ | 30.34K | +433.5% | $1.76M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 37 | American Century Companies Inc | 28.73K | +64.0% | $1.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | Bridgewater Associates ✦ | 28.63K | New | $1.67M | 0.0% | New | 1 | SEC ↗ |
| 39 | Envestnet Asset Management Inc | 28.36K | -1.0% | $1.65M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 40 | Sei Investments Co | 26.73K | +32.1% | $1.56M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 41 | Vanguard Capital Management Llc | 26.59K | n/a | $1.55M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | TD Waterhouse Canada Inc. | 26.42K | +104.7% | $1.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | LPL Financial LLC | 25.44K | +24.3% | $1.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Ameriprise Financial Inc | 23.45K | +2.4% | $1.36M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 45 | Susquehanna International Group, Llp | 22.71K | -23.2% | $1.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 46 | Walleye Trading LLC | 22.18K | New | $1.29M | 0.0% | New | 1 | SEC ↗ |
| 47 | JPMorgan Chase ✦ | 19.00K | -2.1% | $1.09M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 48 | Tidal Investments LLC | 18.48K | +7.3% | $1.07M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | IMC-Chicago, LLC | 15.00K | New | $872,875 | 0.0% | New | 1 | SEC ↗ |
| 50 | Us Bancorp \De\ | 14.35K | -27.6% | $835,056 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 51 | Corient Private Wealth LP | 14.74K | -57.0% | $834,992 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | First Trust Advisors Lp | 14.30K | +123.8% | $832,206 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Russell Investments Group, Ltd. | 13.36K | +23.3% | $777,383 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Bank of New York Mellon Corp | 13.10K | +5.0% | $762,157 | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 55 | 1832 Asset Management L.P. | 12.78K | 0.0% | $743,250 | 0.0% | Held | 2 | SEC ↗ |
| 56 | Arrowstreet Capital ✦ | 12.22K | New | $710,785 | 0.0% | New | 1 | SEC ↗ |
| 57 | HighTower Advisors, LLC | 11.59K | -5.4% | $674,182 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | Focus Partners Wealth | 10.61K | +38.5% | $617,008 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Mitsubishi UFJ Asset Management… | 9.97K | -2.8% | $580,287 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Royal Bank Of Canada | 9.70K | -85.9% | $564,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 61 | Group One Trading Llc | 8.71K | +307.3% | $506,922 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Marshall Wace ✦ | 8.00K | New | $465,440 | 0.0% | New | 1 | SEC ↗ ×2 |
| 63 | Two Sigma Investments ✦ | 7.59K | 0.0% | $441,819 | 0.0% | Held | 8 | SEC ↗ |
| 64 | Pnc Financial Services Group, Inc. | 7.24K | +6.1% | $421,164 | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 65 | UBS AM, a distinct business unit of… | 6.87K | +448.9% | $399,813 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | Wealth Enhancement Advisory… | 6.80K | -18.1% | $395,044 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | Cetera Investment Advisers | 6.56K | +1.7% | $381,554 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Rhumbline Advisers | 6.43K | +7.7% | $374,383 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Bnp Paribas Financial Markets | 6.05K | -82.3% | $351,931 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Rockefeller Capital Management L.P. | 4.92K | +173.3% | $286,537 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 71 | Allspring Global Investments… | 4.82K | New | $280,215 | 0.0% | New | 1 | SEC ↗ |
| 72 | Neuberger Berman Group LLC | 3.84K | New | $223,212 | 0.0% | New | 1 | SEC ↗ ×2 |
| 73 | Franklin Resources Inc | 3.78K | New | $219,804 | 0.0% | New | 1 | SEC ↗ ×3 |
| 74 | Raymond James Financial Inc | 3.73K | New | $217,012 | 0.0% | New | 1 | SEC ↗ ×2 |
| 75 | Fayez Sarofim & Co | 3.66K | New | $212,822 | 0.0% | New | 1 | SEC ↗ |
| 76 | Jones Financial Companies Lllp | 2.14K | +443.6% | $124,865 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | Cwm, Llc | 1.78K | +15.1% | $103,385 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | Osaic Holdings, Inc. | 853 | -19.6% | $49,705 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 79 | Northwestern Mutual Wealth… | 772 | +17.9% | $44,915 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Barclays Plc | 32 | +3100.0% | $1,862 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Nomura Asset Management Co Ltd | 0 | n/a | $0 | 0.0% | Held | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Connor, Clark & Lunn… | $10.38M | 0.0% |
| National Bank Of Canada /Fi/ | $8.48M | 0.0% |
| Jane Street Group, Llc | $5.87M | 0.0% |
| Hrt Financial Lp | $2.31M | 0.0% |
| Bridgewater Associates | $1.67M | 0.0% |
| Walleye Trading LLC | $1.29M | 0.0% |
| IMC-Chicago, LLC | $872,875 | 0.0% |
| Arrowstreet Capital | $710,785 | 0.0% |
| Marshall Wace | $465,440 | 0.0% |
| Allspring Global Investments… | $280,215 | 0.0% |
| Neuberger Berman Group LLC | $223,212 | 0.0% |
| Franklin Resources Inc | $219,804 | 0.0% |
Exited
| D. E. Shaw & Co. | $18.13M | was 0.0% |
| Point72 Asset Management | $10.23M | was 0.0% |
| Balyasny Asset Management L.P. | $8.80M | was 0.0% |
| LMR Partners LLP | $4.86M | was 0.1% |
| Commonwealth Equity Services… | $440,990 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 16.80M shares, $472.50M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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