Latest Period
Q4 2025
Security Snapshot
Latham Group, Inc. - Common Stock (SWIM) Institutional Ownership
CUSIP: 51819L107
13F Institutional Holders and Ownership History from Q2 2021 to Q1 2026
Institutions Reporting
147
Shares (Excl. Options)
106,243,934
Price
$6.35
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- Type / Class
- Equity / Common Stock
- Symbol
- SWIM on Nasdaq
- Shares outstanding
- 116,368,086
- Price per share
- $5.75
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 106,243,934
- Total reported value
- $674,709,198
- % of total 13F portfolios
- 0%
- Share change
- -1,456,861
- Value change
- -$10,341,203
- Number of holders
- 147
- Price from insider filings
- $5.75
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- SWIM - Latham Group, Inc. - Common Stock is tracked under CUSIP 51819L107.
- 147 institutions reported positions in Q4 2025.
- 3 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 147 to 48 between Q4 2025 and Q1 2026.
- Reported value moved from $674,709,198 to $96,618,057.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 147 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 51819L107?
CUSIP 51819L107 identifies SWIM - Latham Group, Inc. - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 51819L107:
Significant Owners of Latham Group, Inc. - Common Stock (SWIM) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | 5.8% | $44,073,249 | 6,749,349 | Wellington Management Group LLP | 31 Dec 2025 | |||
| WYNNCHURCH CAPITAL PARTNERS IV, L.P. | 5% | -48% | $44,775,497 | -$41,855,000 | 5,883,771 | -48% | WYNNCHURCH CAPITAL PARTNERS IV, L.P. | 30 Sep 2025 |
| Voss Capital, LP | 3.9% | -27% | $34,245,000 | -$11,161,701 | 4,500,000 | -25% | Voss Capital, LP | 30 Sep 2025 |
As of 31 Dec 2025, 147 institutional investors reported holding 106,243,934 shares of Latham Group, Inc. - Common Stock (SWIM). This represents 91% of the company’s total 116,368,086 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Latham Group, Inc. - Common Stock (SWIM) together control 85% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Pamplona Capital Management, LLC | 45% | 51,845,685 | 0% | 60% | $329,220,100 |
| WELLINGTON MANAGEMENT GROUP LLP | 5.8% | 6,749,349 | +216% | 0.01% | $42,858,367 |
| FMR LLC | 3.5% | 4,112,607 | -2.4% | 0% | $26,115,054 |
| KEYBANK NATIONAL ASSOCIATION/OH | 3.5% | 4,092,901 | 0% | 0.09% | $25,989,921 |
| CITADEL ADVISORS LLC | 3% | 3,463,172 | -25% | 0.01% | $21,991,142 |
| VANGUARD GROUP INC | 2.8% | 3,229,247 | -0.86% | 0% | $20,505,719 |
| BlackRock, Inc. | 2.8% | 3,220,767 | +0.92% | 0% | $20,451,871 |
| DIMENSIONAL FUND ADVISORS LP | 2.5% | 2,900,023 | +5.8% | 0% | $18,414,020 |
| WASATCH ADVISORS LP | 2.4% | 2,769,694 | -9.6% | 0.1% | $17,587,557 |
| Driehaus Capital Management LLC | 1.8% | 2,045,782 | -3.4% | 0.09% | $12,990,716 |
| Voss Capital, LP | 1.4% | 1,625,000 | -63% | 0.55% | $10,318,750 |
| CenterBook Partners LP | 1.1% | 1,245,337 | +21% | 0.39% | $7,907,890 |
| FORMULA GROWTH LTD | 1% | 1,205,082 | +22% | 2.9% | $7,652,271 |
| Onex Canada Asset Management Inc. | 0.98% | 1,144,440 | -5.4% | 1% | $7,267,209 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.96% | 1,117,820 | +0.28% | 0% | $7,099,529 |
| EMERALD ADVISERS, LLC | 0.84% | 975,704 | +0.45% | 0.19% | $6,195,720 |
| UBS Group AG | 0.82% | 955,867 | +1709% | 0% | $6,069,756 |
| CAS Investment Partners, LLC | 0.81% | 942,397 | -5.8% | 0.26% | $5,984,221 |
| STATE STREET CORP | 0.81% | 940,210 | +1.5% | 0% | $5,970,334 |
| Ewing Morris & Co. Investment Partners Ltd. | 0.72% | 841,342 | 0% | 2.4% | $5,408,014 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 0.7% | 810,574 | +40% | 0.04% | $5,147,145 |
| Roubaix Capital, LLC | 0.59% | 684,028 | +44% | 1.9% | $4,343,578 |
| EMERALD MUTUAL FUND ADVISERS TRUST | 0.55% | 642,554 | 0% | 0.2% | $4,080,218 |
| RICE HALL JAMES & ASSOCIATES, LLC | 0.45% | 528,648 | -5.5% | 0.18% | $3,356,915 |
| GOLDMAN SACHS GROUP INC | 0.41% | 479,701 | -43% | 0% | $3,046,102 |
Institutional Holders of Latham Group, Inc. - Common Stock (SWIM) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 17,992,658 | $96,618,057 | -$5,411,298 | $5.37 | 48 |
| 2025 Q4 | 106,243,934 | $674,709,198 | -$10,341,203 | $6.35 | 147 |
| 2025 Q3 | 113,462,264 | $863,463,152 | -$11,601,907 | $7.61 | 137 |
| 2025 Q2 | 115,146,675 | $734,642,541 | +$18,219,714 | $6.38 | 125 |
| 2025 Q1 | 112,270,145 | $724,943,424 | -$235,596 | $6.43 | 129 |
| 2024 Q4 | 111,180,234 | $773,813,224 | +$46,024,573 | $6.96 | 138 |
| 2024 Q3 | 37,118,102 | $252,420,999 | +$55,124,844 | $6.80 | 128 |
| 2024 Q2 | 31,058,067 | $94,109,405 | -$472,388 | $3.03 | 104 |
| 2024 Q1 | 28,887,221 | $114,399,145 | +$3,353,311 | $3.96 | 100 |
| 2023 Q4 | 29,997,220 | $78,909,936 | -$2,871,733 | $2.63 | 107 |
| 2023 Q3 | 30,976,366 | $86,713,923 | -$7,794,744 | $2.80 | 106 |
| 2023 Q2 | 32,982,686 | $122,372,079 | +$1,998,000 | $3.71 | 99 |
| 2023 Q1 | 32,659,231 | $93,369,240 | -$2,799,368 | $2.86 | 108 |
| 2022 Q4 | 33,424,953 | $107,623,924 | -$11,120,816 | $3.22 | 124 |
| 2022 Q3 | 36,335,393 | $130,472,622 | -$17,495,534 | $3.59 | 123 |
| 2022 Q2 | 37,537,083 | $260,246,389 | -$48,226,482 | $6.93 | 119 |
| 2022 Q1 | 42,782,260 | $566,914,580 | +$146,904,923 | $13.24 | 101 |
| 2021 Q4 | 28,360,158 | $709,776,723 | +$72,944,667 | $25.03 | 74 |
| 2021 Q3 | 25,754,656 | $422,522,832 | -$172,083,607 | $16.40 | 65 |
| 2021 Q2 | 28,748,456 | $918,804,434 | +$918,784,434 | $31.96 | 86 |