Latest Period
Q1 2026
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
141
Shares (Excl. Options)
106,427,445
Price
$5.37
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- Security type / class
- Equity / Common Stock
- Symbol
- SWIM on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 106,427,445
- Total reported value
- $571,543,473
- Portfolio coverage rank
- 0%
- Share change
- +182,387
- Value change
- -$2,364,004
- Number of holders
- 141
- Shares outstanding
- 117,464,179
- Reported price per share
- $5.84
- Price from insider filings
- $5.84
Latest holder snapshot
5 facts
Issuer context
3 facts
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- SWIM - Latham Group, Inc. - Common Stock is tracked under CUSIP 51819L107.
- 141 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 149 to 141 between Q4 2025 and Q1 2026.
- Reported value moved from $675,055,609 to $571,543,473.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 141 institutions filings for Q1 2026.
Security key
51819L107
Latest holder period
Q1 2026
13F holders
141
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
SWIM full holder history
Latham Group, Inc. SEC filings
Latham Group, Inc. company facts
Latham Group, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 51819L107:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
SWIM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | 7.8% | +33% | $52,682,684 | +$13,873,928 | 9,162,206 | +36% | Wellington Management Group LLP | 31 Mar 2026 |
| 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 Mar 2026, 141 institutional investors reported holding 106,427,445 shares of Latham Group, Inc. - Common Stock (SWIM). This represents 91% of the company’s total 117,464,179 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
84%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Pamplona Capital Management, LLC | 44% | 51,845,685 | 0% | 59% | $278,411,328 |
| WELLINGTON MANAGEMENT GROUP LLP | 7.8% | 9,162,206 | +36% | 0.01% | $49,201,046 |
| ACK Asset Management LLC | 4.4% | 5,160,000 | 3.5% | $27,709,200 | |
| KEYBANK NATIONAL ASSOCIATION/OH | 3.5% | 4,092,901 | 0% | 0.08% | $21,978,878 |
| FMR LLC | 3.1% | 3,669,590 | -11% | 0% | $19,705,700 |
| DIMENSIONAL FUND ADVISORS LP | 2.9% | 3,370,146 | +16% | 0% | $18,095,806 |
| BlackRock, Inc. | 2.8% | 3,268,908 | +1.5% | 0% | $17,554,036 |
| WASATCH ADVISORS LP | 2.2% | 2,571,488 | -7.2% | 0.09% | $13,808,891 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2% | 2,303,379 | 0% | 0% | $12,369,145 |
| FORMULA GROWTH LTD | 1.1% | 1,255,082 | +4.1% | 3% | $6,739,790 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.99% | 1,163,129 | +4.1% | 0% | $6,247,241 |
| Onex Canada Asset Management Inc. | 0.96% | 1,124,926 | -1.7% | 1% | $6,040,852 |
| EMERALD ADVISERS, LLC | 0.86% | 1,006,795 | +3.2% | 0.17% | $5,406,489 |
| STATE STREET CORP | 0.81% | 948,164 | +0.85% | 0% | $5,091,641 |
| CAS Investment Partners, LLC | 0.79% | 928,545 | -1.5% | 0.29% | $4,986,287 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 0.78% | 915,084 | +13% | 0.04% | $4,914,001 |
| CenterBook Partners LP | 0.71% | 832,709 | -33% | 0.24% | $4,471,647 |
| CITADEL ADVISORS LLC | 0.71% | 828,545 | -76% | 0% | $4,449,287 |
| Roubaix Capital, LLC | 0.56% | 661,037 | -3.4% | 1.7% | $3,549,769 |
| EMERALD MUTUAL FUND ADVISERS TRUST | 0.55% | 642,554 | 0% | 0.17% | $3,450,515 |
| GOLDMAN SACHS GROUP INC | 0.5% | 590,937 | +23% | 0% | $3,173,332 |
| Ewing Morris & Co. Investment Partners Ltd. | 0.49% | 579,658 | -31% | 1.4% | $3,112,763 |
| RICE HALL JAMES & ASSOCIATES, LLC | 0.44% | 522,671 | -1.1% | 0.16% | $2,806,743 |
| RENAISSANCE TECHNOLOGIES LLC | 0.42% | 497,500 | +9% | 0% | $2,671,575 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.4% | 473,765 | 0% | 0% | $2,544,118 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
20
Latest
Q1 2026
Rows shown
1-20 of 20
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 106,427,445 | $571,543,473 | -$2,364,004 | $5.37 | 141 |
| 2025 Q4 | 106,298,487 | $675,055,609 | -$10,343,597 | $6.35 | 149 |
| 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 |