DOSSIER · 13F-HR · Q3 2026

GATEWAY INVESTMENT ADVISERS LLC

$11.0B in tracked AUM across 833 positions as of Q3 2026.

GI
CIK 0001114618 · last filed Sep 30, 2026
Total AUM
$11.0B
as of Q3 2026
Holdings
833
—
positions
Whale Score
72
72
strong
Activity
—
no data
changes this Q
AI Analysis · Q3 2026

GATEWAY INVESTMENT ADVISERS LLC reported $9.0B in 13F holdings for the quarter ending 2026-03-31, concentrated in technology with leading positions in NVDA, AAPL, MSFT. Notable moves this quarter: BAC INCREASED ($-9.1M); WFC INCREASED ($-7.6M). 11 new positions initiated, 11 closed out, reflecting 61 total changes from the prior quarter.

GATEWAY INVESTMENT ADVISERS LLC entered 2026-03-31 with $9.0B in reported 13F holdings, placing it among the institution's recent AUM range. The portfolio maintains a technology tilt, with the top five positions accounting for a meaningful share of the overall book.

Top Holdings

Analysis generated by 13F Insight from SEC Form 13F filing data · Q3 2026. Methodology

Quarter at a glance — Q3 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q3 2026.

#HoldingValueSharesWeight
01
NVDA
NVIDIA CORPORATION
$1.3B5.6M11.6%
02
AAPL
APPLE INC
$968M2.9M8.8%
03
MSFT
MICROSOFT CORP
$613M1.2M5.6%
04
AMZN
AMAZON COM INC
$392M1.6M3.6%
05
META
META PLATFORMS INC
$382M527K3.5%
06
GOOG
ALPHABET INC
$375M1.1M3.4%
07
AVGO
BROADCOM INC
$267M759K2.4%
08
JPM
JPMORGAN CHASE & CO
$185M559K1.7%
09
MU
MICRON TECHNOLOGY INC
$181M170K1.6%
10
GOOGL
ALPHABET INC
$179M520K1.6%

Filing history

2026Q3Sep 30
$11.0B▲ 8.9%
833 positionsView →
2026Q2Jun 30
$10.1B▲ 12.9%
779 positionsView →
2026Q1Mar 31
$9.0B▼ 16.6%
684 positionsView →
2025Q4Dec 31
$10.8B▲ 3.9%
581 positionsView →
2025Q3Sep 30
$10.3B▲ 13.1%
525 positionsLocked
2025Q2Jun 30
$9.2B▲ 5.0%
469 positionsLocked
2025Q1Mar 31
$8.7B▼ 3.1%
504 positionsLocked
2024Q4Dec 31
$9.0B▼ 0.9%
486 positionsLocked
2024Q3Sep 30
$9.1B▲ 2.6%
510 positionsLocked
2024Q2Jun 30
$8.8B▲ 0.7%
511 positionsLocked
2024Q1Mar 31
$8.8B▲ 2.4%
503 positionsLocked
2023Q4Dec 31
$8.6B▲ 7.7%
493 positionsLocked
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