13F Insight
DOSSIER · 13F Holders · Q1 2026BellwetherCompounder
ELM

SERIES PORTFOLIOS TR

15 institutions still hold SERIES PORTFOLIOS TR as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 81752T429·15 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 3.5%
vs prior quarter
13F value held
$173M
63.0% inst. owned
of float
Holders
15
+123 QoQ
filers reporting
Activity
+18 / −100
+850 added · −727 reduced
this quarter
Concentration
92.31%
Elm Partners Management LLC #1
top holder share
AI Holders Summary · Q1 2026

15 institutions reported ELM in Q1 2026. Elm Partners Management LLC leads at 92.3% of the visible book. +123 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Elm Partners Management LLC
CIK 0001743941
$160M6.0M6.92%Q1 202602
HighTower Advisors, LLC
CIK 0001462245
$4M145K0.00%Q1 202603
Tanager Wealth Management LLP
CIK 0001892929
$4M129K0.34%Q1 202604
FIRST NATIONAL BANK SIOUX FALLS
CIK 0001085041
$2M65K0.50%Q1 202605
Creative Planning
CIK 0001540235
$1M54K0.00%Q1 202606
London & Capital Asset Management Ltd
CIK 0001767559
$658,55924K0.01%Q1 202607
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$474,22017K0.00%Q1 202608
Onyx Bridge Wealth Group LLC
CIK 0001819476
$432,48316K0.05%Q1 202609
Insight Advisors, LLC/ PA
CIK 0001844880
$413,99015K0.08%Q1 202610
CITADEL ADVISORS LLC
CIK 0001423053
$293,15611K0.00%Q4 202511
COWA, LLC
CIK 0001844480
$269,13910K0.07%Q1 202612
UBS Group AG
CIK 0001610520
$15,7025790.00%Q1 202613
WEDBUSH SECURITIES INC
CIK 0001142495
$70626K0.02%Q1 202614
Avion Wealth
CIK 0001792704
$1506K0.03%Q1 202615
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025