Needham Investment Management’s Select Water Solutions WTTR Stock Holding History

Needham Investment Management’s Portfolio WTTR Stock Details WTTR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$26M	Buy	1,300,000 +145,000	+13%	+$2.54M	0.78%	31
2026 Q1	$17.7M	Buy	1,155,000 +380,000	+49%	+$4.97M	0.9%	33
2025 Q4	$8.15M	Buy	775,000 +200,000	+35%	+$2.16M	0.52%	57
2025 Q3	$6.15M	Buy	575,000 +475,000	+475%	+$4.34M	0.43%	65
2025 Q2	$864K	Buy	+100,000	New	+$863K	0.07%	128

Other funds holding WTTR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

DRZID

DePrince Race & Zollo Inc (DRZ) Winter Park, Florida $5.96B AUM 38.5% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

MIM

Merewether Investment Management Dallas, Texas $5.31B AUM 73.7% 1-Year Est. Return

Needham Investment Management's WTTR Position: Q2 2026 in Review

Needham Investment Management increased its Select Water Solutions (WTTR) stake by 13% in Q2 2026, buying an estimated $2.54M and bringing the position to 1,300,000 shares worth $26M. The position accounts for 0.78% of the portfolio, ranked #31.

Needham Investment Management first reported a position in WTTR in Q2 2025 and has held it in 5 quarters since. 265 funds tracked by Wall St. Rank hold WTTR as of Q2 2026.

Needham Investment Management held 1,300,000 shares of Select Water Solutions worth $26M as of Q2 2026.
Needham Investment Management bought 145,000 Select Water Solutions shares in Q2 2026, an estimated $2.54M.
Select Water Solutions made up 0.78% of Needham Investment Management's portfolio in Q2 2026, its #31 holding.
Needham Investment Management first reported a position in Select Water Solutions in Q2 2025 and has held it in 5 quarters since.
265 funds tracked by Wall St. Rank held Select Water Solutions as of Q2 2026.

Based on Needham Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.