263 hedge funds and large institutions have $2.29B invested in Tenaris in 2026 Q1 according to their latest regulatory filings, with 71 funds opening new positions, 85 increasing their positions, 66 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
263
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$27.3M
Puts
$12.1M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
RIL
201
Rothschild Investment LLC
Illinois
$18.6K
BGAI
202
Bruce G. Allen Investments
Colorado
$18.4K
AF
203
Allworth Financial
California
$17.8K
UB
204
UMB Bank
Missouri
$15.2K
WA
205
Whipplewood Advisors
Colorado
$14.9K
SIC
206
SJS Investment Consulting
Ohio
$14.2K
FCAS
207
First Command Advisory Services
Texas
$14K
BCM
208
Boreal Capital Management
Florida
$11.6K
LFG
209
Larson Financial Group
Missouri
$11.2K
AAP
210
Arax Advisory Partners
Colorado
$11.1K
SL
211
Salomon & Ludwin
Virginia
$9.3K
EP
212
Essential Partners
California
$9.13K
Nisa Investment Advisors
213
Nisa Investment Advisors
Missouri
$8.73K
Q1WB
214
Quest 10 Wealth Builders
Virginia
$8.73K
FDCDDQ
215
Federation des caisses Desjardins du Quebec
Quebec, Canada
$8.14K
Bessemer Group
216
Bessemer Group
New Jersey
$8K
CPG
217
Cornerstone Planning Group
New Jersey
$7.62K
CTA
218
Colonial Trust Advisors
South Carolina
$5.82K
VWA
219
Valued Wealth Advisors
Utah
$5.76K
PWA
220
Physician Wealth Advisors
Utah
$5.7K
FC
221
Financial Consulate
Maryland
$5.47K
MCM
222
Manchester Capital Management
Vermont
$5.24K
PTC
223
Private Trust Company
Ohio
$5.03K
CA
224
CoreCap Advisors
Michigan
$4.65K
BIA
225
Bell Investment Advisors
California
$4.31K