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Security record · archived quarter

TS

Tenaris S.A. · Energy · Oil & Gas Equipment & Services

53.86 -1.4% mkt cap $28.90B quote delayed (FMP) · as of Aug 26 20:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
81Tracked holders
+9Δ holders
25.58MShares held
$1.47BReported value
+14New positions
−5Exits
Strongly Rising Conviction score 72/100 4 quarters of rising tracked shares ●●●●○○ How these are computed → Explain this at the Research Desk →

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
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 84 +4 28.42M $1.56B +9 −5
Q1 2026 81 +9 25.58M $1.47B +14 −5
Q4 2025 72 +1 20.40M $774.87M +1
Q3 2025 15 -1 13.56M $484.98M −1
Q2 2025 13 +1 12.62M $471.84M +1
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 −2
Q2 2024 11 9.63M $293.84M
Holder count
Who holds it · Q1 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 Fidelity (FMR) 8.25M +275.3% $480.09M 0.0% ▲ Add 4 SEC ↗
2 Fidelity (FMR) 8.25M +275.3% $480.09M 0.0% ▲ Add 4 SEC ↗
3 Fidelity (FMR) 8.25M +275.3% $480.09M 0.0% ▲ Add 4 SEC ↗
4 Fidelity (FMR) 8.25M +275.3% $480.09M 0.0% ▲ Add 4 SEC ↗
5 Renaissance Technologies 3.20M +7.9% $186.16M 0.3% ▲ Add 8 SEC ↗
6 Wellington Management 2.41M -10.3% $139.92M 0.0% ▼ Trim 8 SEC ↗
7 Wellington Management 2.41M -10.3% $139.92M 0.0% ▼ Trim 8 SEC ↗
8 Wellington Management 2.41M -10.3% $139.92M 0.0% ▼ Trim 8 SEC ↗
9 Wellington Management 2.41M -10.3% $139.92M 0.0% ▼ Trim 8 SEC ↗
10 T. Rowe Price 1.45M -12.4% $84.08M 0.0% ▼ Trim 8 SEC ↗
11 T. Rowe Price 1.45M -12.4% $84.08M 0.0% ▼ Trim 8 SEC ↗
12 Morgan Stanley 1.18M +0.7% $68.54M 0.0% ▲ Add 3 SEC ↗
13 Morgan Stanley 1.18M +0.7% $68.54M 0.0% ▲ Add 3 SEC ↗
14 Morgan Stanley 1.18M +0.7% $68.54M 0.0% ▲ Add 3 SEC ↗
15 Morgan Stanley 1.18M +0.7% $68.54M 0.0% ▲ Add 3 SEC ↗
16 Morgan Stanley 1.18M +0.7% $68.54M 0.0% ▲ Add 3 SEC ↗
17 Morgan Stanley 1.18M +0.7% $68.54M 0.0% ▲ Add 3 SEC ↗
18 Morgan Stanley 1.18M +0.7% $68.54M 0.0% ▲ Add 3 SEC ↗
19 Invesco Ltd. 1.17M +113.9% $67.98M 0.0% ▲ Add 2 SEC ↗
20 Invesco Ltd. 1.17M +113.9% $67.98M 0.0% ▲ Add 2 SEC ↗
21 Invesco Ltd. 1.17M +113.9% $67.98M 0.0% ▲ Add 2 SEC ↗
22 Invesco Ltd. 1.17M +113.9% $67.98M 0.0% ▲ Add 2 SEC ↗
23 Invesco Ltd. 1.17M +113.9% $67.98M 0.0% ▲ Add 2 SEC ↗
24 Dimensional Fund Advisors Lp 1.12M -9.2% $65.22M 0.0% ▼ Trim 2 SEC ↗
25 Dimensional Fund Advisors Lp 1.12M -9.2% $65.22M 0.0% ▼ Trim 2 SEC ↗
26 Dimensional Fund Advisors Lp 1.12M -9.2% $65.22M 0.0% ▼ Trim 2 SEC ↗
27 Dimensional Fund Advisors Lp 1.12M -9.2% $65.22M 0.0% ▼ Trim 2 SEC ↗
28 Goldman Sachs Group 720.89K -12.0% $41.94M 0.0% ▼ Trim 3 SEC ↗
29 Goldman Sachs Group 720.89K -12.0% $41.94M 0.0% ▼ Trim 3 SEC ↗
30 BlackRock (passive) 715.79K +2.8% $41.64M 0.0% ▲ Add 4 SEC ↗
31 BlackRock (passive) 715.79K +2.8% $41.64M 0.0% ▲ Add 4 SEC ↗
32 BlackRock (passive) 715.79K +2.8% $41.64M 0.0% ▲ Add 4 SEC ↗
33 Massachusetts Financial Services Co… 646.85K -1.5% $38.08M 0.0% ▼ Trim 2 SEC ↗
34 Massachusetts Financial Services Co… 646.85K -1.5% $38.08M 0.0% ▼ Trim 2 SEC ↗
35 Massachusetts Financial Services Co… 646.85K -1.5% $38.08M 0.0% ▼ Trim 2 SEC ↗
36 Massachusetts Financial Services Co… 646.85K -1.5% $38.08M 0.0% ▼ Trim 2 SEC ↗
37 UBS Group AG 498.98K +124.0% $29.03M 0.0% ▲ Add 2 SEC ↗
38 UBS Group AG 498.98K +124.0% $29.03M 0.0% ▲ Add 2 SEC ↗
39 UBS Group AG 498.98K +124.0% $29.03M 0.0% ▲ Add 2 SEC ↗
40 Assetmark, Inc 490.78K -2.6% $28.55M 0.1% ▼ Trim 2 SEC ↗
41 Grantham, Mayo, Van Otterloo & Co.… 347.58K +4.6% $20.22M 0.1% ▲ Add 2 SEC ↗
42 Citadel Advisors 292.42K -68.6% $17.01M 0.0% ▼ Trim 8 SEC ↗
43 Citadel Advisors 292.42K -68.6% $17.01M 0.0% ▼ Trim 8 SEC ↗
44 Pacer Advisors, Inc. 543.67K +7.4% $16.02M 0.0% ▲ Add 2 SEC ↗
45 Northern Trust Corp 217.90K -3.2% $12.68M 0.0% ▼ Trim 2 SEC ↗
46 Northern Trust Corp 217.90K -3.2% $12.68M 0.0% ▼ Trim 2 SEC ↗
47 Northern Trust Corp 217.90K -3.2% $12.68M 0.0% ▼ Trim 2 SEC ↗
48 State Street Global Advisors (passive) 203.18K +1.2% $11.82M 0.0% ▲ Add 4 SEC ↗
49 Connor, Clark & Lunn Investment… 178.44K New $10.38M 0.0% New 1 SEC ↗
50 Bank Of America Corp /De/ 158.44K -53.0% $9.22M 0.0% ▼ Trim 2 SEC ↗
51 Bank Of America Corp /De/ 158.44K -53.0% $9.22M 0.0% ▼ Trim 2 SEC ↗
52 Bank Of America Corp /De/ 158.44K -53.0% $9.22M 0.0% ▼ Trim 2 SEC ↗
53 Legal & General Group Plc 146.51K -12.8% $8.52M 0.0% ▼ Trim 2 SEC ↗
54 Quantinno Capital Management LP 146.35K +20.9% $8.51M 0.0% ▲ Add 2 SEC ↗
55 National Bank Of Canada /Fi/ 145.85K New $8.48M 0.0% New 1 SEC ↗
56 AQR Capital Management 145.43K +31.2% $8.46M 0.0% ▲ Add 8 SEC ↗
57 AQR Capital Management 145.43K +31.2% $8.46M 0.0% ▲ Add 8 SEC ↗
58 AQR Capital Management 145.43K +31.2% $8.46M 0.0% ▲ Add 8 SEC ↗
59 AQR Capital Management 145.43K +31.2% $8.46M 0.0% ▲ Add 8 SEC ↗
60 Jane Street Group, Llc 100.84K New $5.87M 0.0% New 1 SEC ↗
61 Jane Street Group, Llc 100.84K New $5.87M 0.0% New 1 SEC ↗
62 Creative Planning 72.82K +26.0% $4.24M 0.0% ▲ Add 2 SEC ↗
63 Creative Planning 72.82K +26.0% $4.24M 0.0% ▲ Add 2 SEC ↗
64 Millennium Management 68.72K -56.0% $4.00M 0.0% ▼ Trim 8 SEC ↗
65 Citigroup Inc 61.45K +27.9% $3.57M 0.0% ▲ Add 2 SEC ↗
66 Citigroup Inc 61.45K +27.9% $3.57M 0.0% ▲ Add 2 SEC ↗
67 Lazard Asset Management Llc 58.25K +0.5% $3.39M 0.0% ▲ Add 2 SEC ↗
68 Lazard Asset Management Llc 58.25K +0.5% $3.39M 0.0% ▲ Add 2 SEC ↗
69 Charles Schwab Investment… 57.34K +10.7% $3.34M 0.0% ▲ Add 2 SEC ↗
70 Charles Schwab Investment… 57.34K +10.7% $3.34M 0.0% ▲ Add 2 SEC ↗
71 Wells Fargo & Company/Mn 44.39K +408.8% $2.58M 0.0% ▲ Add 2 SEC ↗
72 Wells Fargo & Company/Mn 44.39K +408.8% $2.58M 0.0% ▲ Add 2 SEC ↗
73 Wells Fargo & Company/Mn 44.39K +408.8% $2.58M 0.0% ▲ Add 2 SEC ↗
74 Wells Fargo & Company/Mn 44.39K +408.8% $2.58M 0.0% ▲ Add 2 SEC ↗
75 Mariner, LLC 40.31K +29.1% $2.34M 0.0% ▲ Add 2 SEC ↗
76 Mariner, LLC 40.31K +29.1% $2.34M 0.0% ▲ Add 2 SEC ↗
77 Hrt Financial Lp 39.77K New $2.31M 0.0% New 1 SEC ↗
78 Mercer Global Advisors Inc /Adv 33.64K -16.3% $1.96M 0.0% ▼ Trim 2 SEC ↗
79 New York State Common Retirement… 33.40K -22.0% $1.94M 0.0% ▼ Trim 2 SEC ↗
80 Cerity Partners LLC 31.62K +5.2% $1.84M 0.0% ▲ Add 2 SEC ↗
81 Cerity Partners LLC 31.62K +5.2% $1.84M 0.0% ▲ Add 2 SEC ↗
82 Cerity Partners LLC 31.62K +5.2% $1.84M 0.0% ▲ Add 2 SEC ↗
83 Bank Of Montreal /Can/ 30.34K +433.5% $1.76M 0.0% ▲ Add 2 SEC ↗
84 Bank Of Montreal /Can/ 30.34K +433.5% $1.76M 0.0% ▲ Add 2 SEC ↗
85 Bank Of Montreal /Can/ 30.34K +433.5% $1.76M 0.0% ▲ Add 2 SEC ↗
86 American Century Companies Inc 28.73K +64.0% $1.67M 0.0% ▲ Add 2 SEC ↗
87 Bridgewater Associates 28.63K New $1.67M 0.0% New 1 SEC ↗
88 Envestnet Asset Management Inc 28.36K -1.0% $1.65M 0.0% ▼ Trim 2 SEC ↗
89 Sei Investments Co 26.73K +32.1% $1.56M 0.0% ▲ Add 2 SEC ↗
90 Sei Investments Co 26.73K +32.1% $1.56M 0.0% ▲ Add 2 SEC ↗
91 Vanguard Capital Management Llc 26.59K $1.55M 0.0% n/c 1 SEC ↗
92 TD Waterhouse Canada Inc. 26.42K +104.7% $1.53M 0.0% ▲ Add 2 SEC ↗
93 LPL Financial LLC 25.44K +24.3% $1.48M 0.0% ▲ Add 2 SEC ↗
94 Ameriprise Financial Inc 23.45K +2.4% $1.36M 0.0% ▲ Add 2 SEC ↗
95 Ameriprise Financial Inc 23.45K +2.4% $1.36M 0.0% ▲ Add 2 SEC ↗
96 Ameriprise Financial Inc 23.45K +2.4% $1.36M 0.0% ▲ Add 2 SEC ↗
97 Susquehanna International Group, Llp 22.71K -23.2% $1.32M 0.0% ▼ Trim 2 SEC ↗
98 Walleye Trading LLC 22.18K New $1.29M 0.0% New 1 SEC ↗
99 JPMorgan Chase 19.00K -2.1% $1.09M 0.0% ▼ Trim 3 SEC ↗
100 JPMorgan Chase 19.00K -2.1% $1.09M 0.0% ▼ Trim 3 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%
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%

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 · Get this via the API