Driehaus Capital Management LLC

Position in TDW — Tidewater Inc

CIK 938206 Chicago, IL

Position in TDW

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$63,375,682

+$55,898,889 QoQ

Shares Held

758,536

+412.4% QoQ

Ownership

1.53%

of shares outstanding

% of Portfolio

0.47%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2023

8 quarters on record

Voting authority Sole 76.70288555849689.ToString("F0")% Shared 0.ToString("F0")% None 23.297114441503105.ToString("F0")%

Energy · as of Mar 31, 2026

Driehaus Capital Management LLC holds $373,403,815 across 8 Oil & Gas Equipment & Services names. TDW ranks #3 (17.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SEI	Solaris Energy Infrastructure, Inc.	1,628,174	$92,008,112
2	FTI	TechnipFMC plc	1,040,195	$71,908,680
3	TDW	Tidewater Inc This page	758,536	$63,375,682
4	TS	Tenaris SA	888,346	$51,683,970
5	INVX	Innovex International, Inc.	1,536,309	$37,470,576
6	LBRT	Liberty Energy Inc.	870,134	$25,059,859
7	FTK	Flotek Industries Inc/Cn/	968,657	$16,438,109
8	OIS	Oil States International, Inc	1,328,078	$15,458,827

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$63,375,682	758,536	+412.4%	Shares	Sole	2026-05-15
2025-12-31	$7,476,793	148,026	-38.4%	Shares	Sole	2026-02-17
2025-09-30	$12,814,932	240,295	+78.5%	Shares	Sole	2025-11-14
2025-06-30	$6,209,144	134,601	-75.8%	Shares	Sole	2025-08-14
2024-06-30	$53,044,061	557,127	-15.2%	Shares	Sole	2024-08-15
2024-03-31	$60,454,396	657,113	+134.9%	Shares	Sole	2024-05-15
2023-12-31	$20,175,729	279,791	-64.5%	Shares	Sole	2024-02-14
2023-09-30	$55,950,354	787,257	—	Shares	Sole	2023-11-14
No filing history on record for this holder in this stock.