Driehaus Capital Management’s Tenaris TS Stock Holding History

Driehaus Capital Management’s Portfolio TS Stock Details TS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$51.7M	Buy	+888,346	New	+$43.8M	0.38%	94
2024 Q2	–	Sell	-487,497	Closed	-$19.1M	–	442
2024 Q1	$19.1M	Sell	487,497 -328,863	-40%	-$11.4M	0.19%	154
2023 Q4	$28.4M	Sell	816,360 -288,577	-26%	-$9.67M	0.34%	93
2023 Q3	$34.9M	Sell	1,104,937 -29,400	-3%	-$950K	0.45%	59
2023 Q2	$34M	Buy	+1,134,337	New	+$31.5M	0.43%	72
2022 Q3	–	Sell	-727,762	Closed	-$18.7M	–	407
2022 Q2	$18.7M	Sell	727,762 -347,719	-32%	-$10.7M	0.3%	109
2022 Q1	$32.3M	Buy	+1,075,481	New	+$28M	0.4%	81
2018 Q2	–	Sell	-716,782	Closed	-$24.9M	–	562
2018 Q1	$24.9M	Buy	+716,782	New	+$24.6M	0.88%	20
2014 Q2	–	Sell	-320,817	Closed	-$14.2M	–	625
2014 Q1	$14.2M	Buy	+320,817	New	+$13.9M	0.45%	47

Other funds holding TS

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

WGI

Westwood Global Investments Boston, Massachusetts $2.68B AUM 76.4% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Driehaus Capital Management's TS Position: Q1 2026 in Review

Driehaus Capital Management opened a new position in Tenaris (TS) in Q1 2026: 888,346 shares worth $51.7M. The stake represents 0.38% of the portfolio and ranks #94 among its holdings. This is a return to the name: Driehaus Capital Management previously reported a position in TS as recently as Q1 2024.

Driehaus Capital Management first reported a position in TS in Q1 2014 and has held it in 9 quarters since. 263 funds tracked by Wall St. Rank hold TS as of Q1 2026.

Driehaus Capital Management held 888,346 shares of Tenaris worth $51.7M as of Q1 2026.
Tenaris was a new Driehaus Capital Management position in Q1 2026.
Tenaris made up 0.38% of Driehaus Capital Management's portfolio in Q1 2026, its #94 holding.
Driehaus Capital Management first reported a position in Tenaris in Q1 2014 and has held it in 9 quarters since.
263 funds tracked by Wall St. Rank held Tenaris as of Q1 2026.

Based on Driehaus Capital Management's 13F filing for Q1 2026, filed 15 May 2026.