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US ˙ NYSE ˙ US81617J3014

SecurityWTTR / Select Water Solutions, Inc.
InstitutionQUANTITATIVE MASTER SERIES LLC - Master Small Cap Index Series
Latest Disclosed Ownership153,849 shares
Latest Disclosed Value $ 1,329,255
QUANTITATIVE MASTER SERIES LLC - Master Small Cap Index Series ownership in WTTR / Select Water Solutions, Inc.

On August 26, 2025 - QUANTITATIVE MASTER SERIES LLC - Master Small Cap Index Series filed a NPORT-P form disclosing ownership of 153,849 shares of Select Water Solutions, Inc. (US:WTTR) valued at $1,329,255 USD as of June 30, 2025. The entity filed a previous NPORT-P on May 28, 2025 disclosing 153,849 shares of Select Water Solutions, Inc.. This represents a change in shares of 0.00% during the quarter. The current value of the position is $2,770,820 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2025-08-26 2025-06-30 NP Select Water Solutions EC US81617J3014 153,849 0 0.00 1,329 -17.71 0.0299
2025-05-28 2025-03-31 NP Select Water Solutions EC US81617J3014 153,849 0 0.00 1,615 -20.68 0.0387
2025-02-25 2024-12-31 NP Select Water Solutions EC US81617J3014 153,849 -26,876 -14.87 2,037 1.24 0.0445
2024-11-26 2024-09-30 NP Select Water Solutions EC US81617J3014 180,725 27,312 17.80 2,011 22.55 0.0380
2024-08-26 2024-06-30 NP Select Water Solutions EC US81617J3014 153,413 10,665 7.47 1,642 24.60 0.0334
2024-05-28 2024-03-31 NP Select Water Solutions EC US81617J3014 142,748 -7,318 -4.88 1,318 15.63 0.0275
2024-02-26 2023-12-31 NP Select Water Solutions EC US81617J3014 150,066 14,723 10.88 1,139 5.95 0.0243
2023-11-28 2023-09-30 NP Select Water Solutions EC US81617J3014 135,343 -10,244 -7.04 1,076 -8.82 0.0281
2023-08-25 2023-06-30 NP Select Water Solutions EC US81617J3014 145,587 31,237 27.32 1,179 48.30 0.0280
2023-05-26 2023-03-31 NP Select Energy Services EC US81617J3014 114,350 0 0.00 796 -24.72 0.0212
2023-02-24 2022-12-31 NP Select Energy Services EC US81617J3014 114,350 4,036 3.66 1,057 37.50 0.0291
2022-11-25 2022-09-30 NP Select Energy Services EC US81617J3014 110,314 0 0.00 769 2.13 0.0220
2022-08-25 2022-06-30 NP Select Energy Services EC US81617J3014 110,314 11,645 11.80 752 -11.01 0.0208
2022-05-26 2022-03-31 NP Select Energy Services EC US81617J3014 98,669 3,499 3.68 846 42.74 0.0197
2022-02-25 2021-12-31 NP Select Energy Services EC US81617J3014 95,170 7,211 8.20 593 29.82 0.0129
2021-11-24 2021-09-30 NP Select Energy Services EC US81617J3014 87,959 0 0.00 457 -14.12 0.0101
2021-08-26 2021-06-30 NP Select Energy Services EC US81617J3014 87,959 0 0.00 531 21.23 0.0114
2021-05-27 2021-03-31 NP Select Energy Services EC US81617J3014 87,959 0 0.00 438 21.67 0.0099
2021-02-25 2020-12-31 NP Select Energy Services EC US81617J3014 87,959 0 0.00 361 6.82 0.0092
2020-11-25 2020-09-30 NP Select Energy Services EC US81617J3014 87,959 -20,385 -18.82 338 -36.42 0.0108
2020-08-27 2020-06-30 NP Select Energy Services EC US81617J3014 108,344 11,730 12.14 531 69.87 0.0174
2020-06-01 2020-03-31 NP Select Energy Services EC US81617J3014 96,614 5,569 6.12 312 -63.03 0.0128
2020-02-27 2019-12-31 NP Select Energy Services EC 81617J301 91,045 1,932 2.17 845 9.47 0.0254
2019-11-27 2019-09-30 NP Select Energy Services EC US81617J3014 89,113 89,113 772 0.0255
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.