TS Tenaris S.A.

NYSE
$56.45

Tenaris S.A. (TS) Hedge Fund Activity

This view isolates hedge funds from the broader institutional ownership shown on the Institutional tab. A pension fund tracking an index may have no view on a stock; when a hedge fund builds or exits a position, that decision can carry information. This page measures those changes. Positions as of June 30, 2026.

Based on quarterly 13F long-equity filings. Changes compare reported quarter-end positions; filings can be reported up to 45 days later and do not represent a fund's complete exposure.

Hedge fund breadth
+72.73
19 buyers / 3 sellers
STRONG BUYING
Funds compared
22
funds with comparable TS positions
21 current holders · 10 prior-quarter holders
Net share change
+4.61M
+4.82M added, -210.8K cut
Position activity
12 new 7 increased 2 reduced 1 exited

Most significant moves

Ranked by conviction, not size — how much of the fund's own book the position represents, how far it moved, and what kind of fund made it.

Fund Action Shares changed Change Est. value Portfolio wt. Score
Merewether Investment Management Event New +1.13M — $62.7M 1.2% 69
Holocene Advisors, LP New +1.03M — $57.2M 0.1% 62
Point72 Asset Management, L.P. New +103.5K — $5.7M 0.0% 61
Bridgewater Associates Quant Macro Increased +539.6K +1884.7% $29.9M 0.2% 60
Balyasny Asset Management L.P. New +45.2K — $2.5M 0.0% 59
D. E. Shaw & Co., Inc. Quant New +4.8K — $265.6K 0.0% 58
TWO SIGMA INVESTMENTS, LP Quant Sold Out -7.6K -100.0% $421.4K 0.0% 57
MILLENNIUM MANAGEMENT LLC Increased +550.8K +801.5% $30.6M 0.0% 55
LMR Partners Event Quant New +172.3K — $9.6M 0.1% 55
Capital Fund Management Quant Macro New +125.4K — $7.0M 0.1% 55

Most significant buyers

By move score, not size.

  • Merewether Investment Management New · +1.13M
  • Holocene Advisors, LP New · +1.03M
  • Point72 Asset Management, L.P. New · +103.5K
  • Bridgewater Associates Increased · +539.6K
  • Balyasny Asset Management L.P. New · +45.2K

Most significant sellers

By move score, not size.

  • TWO SIGMA INVESTMENTS, LP Sold Out · -7.6K
  • CITADEL ADVISORS LLC Reduced · -59.5K
  • RENAISSANCE TECHNOLOGIES LLC Reduced · -143.7K

Hedge fund positions

Fund Tier Shares Previous Change Change % Portfolio wt. Action Score
Merewether Investment Management 2 1.1M 0 +1.13M — 1.2% New 69
Holocene Advisors, LP 2 1.0M 0 +1.03M — 0.1% New 62
Point72 Asset Management, L.P. 1 103.5K 0 +103.5K — 0.0% New 61
Bridgewater Associates 1 568.2K 28.6K +539.6K +1884.7% 0.2% Increased 60
Balyasny Asset Management L.P. 2 45.2K 0 +45.2K — 0.0% New 59
D. E. Shaw & Co., Inc. 1 4.8K 0 +4.8K — 0.0% New 58
TWO SIGMA INVESTMENTS, LP 2 0 7.6K -7.6K -100.0% 0.0% Sold Out 57
MILLENNIUM MANAGEMENT LLC 2 619.5K 68.7K +550.8K +801.5% 0.0% Increased 55
LMR Partners 3 172.3K 0 +172.3K — 0.1% New 55
Capital Fund Management 3 125.4K 0 +125.4K — 0.1% New 55
MARSHALL WACE, LLP 2 704.4K 8.0K +696.4K +8704.6% 0.0% Increased 54
Walleye Capital 3 36.7K 0 +36.7K — 0.0% New 53
Schonfeld Strategic Advisors 3 25.0K 0 +25.0K — 0.0% New 53
J. Goldman & Co. 3 49.5K 0 +49.5K — 0.1% New 53
Jain Global 3 5.3K 0 +5.3K — 0.0% New 52
Y-Intercept 4 112.4K 0 +112.4K — 0.1% New 51
ExodusPoint Capital Management 3 92.0K 11.4K +80.7K +710.0% 0.0% Increased 48
Lighthouse Investment Partners 3 105.7K 42.5K +63.2K +148.6% 0.2% Increased 48
Centiva Capital 4 18.5K 7.5K +11.0K +146.3% 0.1% Increased 42
CITADEL ADVISORS LLC 1 232.9K 292.4K -59.5K -20.4% 0.0% Reduced 34
RENAISSANCE TECHNOLOGIES LLC 1 3.1M 3.2M -143.7K -4.5% 0.2% Reduced 32
AQR Capital Management 3 183.5K 145.4K +38.0K +26.2% 0.0% Increased 28

Every fund above opens. Subscribers can see any manager's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.

Sign in or subscribe

Hedge funds are identified from their 13F filings, which are due 45 days after quarter end and cover long U.S.-listed equity positions only. A fund's short book never appears, so a reduced position can mean a changed view or a changed hedge — the filing doesn't say which.