DOSSIER · 13F-HR · Q1 2026

GREAT LAKES ADVISORS, LLC

GREAT LAKES's hedge fund based in Stamford, CT $12.1B in tracked AUM across 1,698 positions as of Q1 2026.

GL
GREAT LAKES·Stamford, CT·Hedge Fund
CIK 0001078013 · last filed Mar 31, 2026
Total AUM
$12.1B
2.5%
vs prior
Holdings
1,698
positions
Whale Score
60
60
tracked
Activity
no data
changes this Q
Top sector
Tech
48% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

GREAT LAKES ADVISORS, LLC reported $12.1B in 13F holdings for the quarter ending 2026-03-31, concentrated in financial services with leading positions in GOOGL, JPM, XOM. Notable moves this quarter: XOM INCREASED (+$81.0M); BSX INCREASED ($-51.5M). 7 new positions initiated, 7 closed out, reflecting 57 total changes from the prior quarter.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
GOOGL
Alphabet Inc Cap Stock Cl A
$347M1.2M2.9%
02
JPM
JPMorgan Chase Co
$334M1.1M2.8%
03
XOM
Exxon Mobil Corp
$256M1.5M2.1%
04
AMZN
Amazon com Inc
$254M1.2M2.1%
05
RTX
Rtx Corporation Com
$193M999K1.6%
06
MRK
Merck Co Inc
$189M1.6M1.6%
07
G54950103
Linde PLC
$182M366K1.5%
08
MSFT
Microsoft Corp
$181M488K1.5%
09
PH
Parker Hannifin Corp
$179M200K1.5%
10
NVDA
NVIDIA Corp
$175M1.0M1.5%

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