13F Insight
DOSSIER · 13F Holders · Q1 2026Defensive growthQuality
SWIM

LATHAM GROUP INC

148 institutions still hold LATHAM GROUP INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 51819L107·148 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 6.2%
vs prior quarter
13F value held
$574M
52.0% inst. owned
of float
Holders
148
+37 QoQ
filers reporting
Activity
+41 / −71
+886 added · −820 reduced
this quarter
Concentration
48.52%
Pamplona Capital Management, LLC #1
top holder share
AI Holders Summary · Q1 2026

148 institutions reported SWIM in Q1 2026. Pamplona Capital Management, LLC leads at 48.5% of the visible book. +37 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Pamplona Capital Management, LLC
CIK 0001554913
$278M51.8M58.85%Q1 202602
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$49M9.2M0.01%Q1 202603
WYNNCHURCH CAPITAL PARTNERS IV, L.P.
CIK 0001620062
$45M5.9M100.00%Q3 202504
ACK Asset Management LLC
CIK 0001510940
$28M5.2M3.46%Q1 202605
CITADEL ADVISORS LLC
CIK 0001423053
$22M3.5M0.00%Q4 202506
KEYBANK NATIONAL ASSOCIATION/OH
CIK 0001089877
$22M4.1M0.08%Q1 202607
FMR LLC
CIK 0000315066
$20M3.7M0.00%Q1 202608
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$18M3.4M0.00%Q1 202609
BlackRock, Inc.
CIK 0002012383
$18M3.3M0.00%Q1 202610
WASATCH ADVISORS LP
CIK 0000814133
$14M2.6M0.09%Q1 202611
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$12M2.3M0.00%Q1 202612
FORMULA GROWTH LTD
CIK 0001093219
$7M1.3M3.04%Q1 202613
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$6M1.2M0.00%Q1 202614
Onex Canada Asset Management Inc.
CIK 0000905790
$6M1.1M1.00%Q1 202615
EMERALD ADVISERS, LLC
CIK 0001015083
$5M1.0M0.17%Q1 202616
STATE STREET CORP
CIK 0000093751
$5M948K0.00%Q1 202617
CAS Investment Partners, LLC
CIK 0001697591
$5M929K0.29%Q1 202618
SILVERCREST ASSET MANAGEMENT GROUP LLC
CIK 0001232395
$5M915K0.04%Q1 202619
CenterBook Partners LP
CIK 0001872738
$4M833K0.24%Q1 202620
Roubaix Capital, LLC
CIK 0001769700
$4M684K1.85%Q4 2025
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