13F filer

Acadian Asset Management

As of Jun 30, 2026 Filed Aug 13, 2026 CIK 916542 SEC filings ↗
13F Value
$84.23B
Positions
1,987
Top Position
AAPL5.5%
Top 5
17.2%

Latest filing changes

vs Mar 31, 2026
1 AMZN Amazon +37.8%+$552.3M
2 BKNG Booking Holdings >999%+$496.2M
3 CSCO Cisco Systems +157.1%+$423.0M
4 ELV Elevance Health +444.9%+$363.8M
5 CM Canadian Imperial Bank of +42.2%+$331.5M
Holdings1,987
# Trend (4Q)
1 AAPL 5.5% $4.59B +3.5% 15.87M 5.5% Common Stock
2 NVDA 4.6% $3.90B +4.6% 19.51M 4.6% Common Stock
3 GOOGL
Filing details
  • 02079K305 Jun 30, 2026 6,059,286 reported quantity $2,165,353,000 reported value
2.6% $2.17B -25.9% 6.06M 3.3% Common Stock
4 AMZN 2.4% $2.01B +37.8% 8.45M 1.8% Common Stock
5 MSFT 2.1% $1.81B -3.3% 4.85M 2.6% Common Stock
6 BNS 1.9% $1.60B +22.4% 18.38M 1.5% Common Stock
7 AMAT 1.7% $1.43B -7.7% 1.97M 1.0% Common Stock
8 MU 1.6% $1.31B -25.2% 1.13M 0.7% Common Stock
9 CM 1.3% $1.12B +42.2% 9.71M 0.9% Common Stock
10 META 1.3% $1.08B +42.0% 1.91M 1.1% Common Stock
11 COST 1.3% $1.07B +40.0% 1.14M 1.2% Common Stock
12 AVGO 1.3% $1.06B +2.5% 2.80M 1.2% Common Stock
13 KLAC 1.2% $1.01B — 3.33M 1.0% — Common Stock
14 GOOG 1.2% $1.00B -13.4% 2.84M 1.3% Common Stock
15 ASML 1.2% $998.3M -16.9% 501.8K 1.1% Common Stock
16 PEP 1.1% $913.1M +20.4% 6.74M 1.2% Common Stock
17 LRCX
Filing details
  • 512807306 Jun 30, 2026 2,090,516 reported quantity $905,838,000 reported value
1.1% $905.8M -30.1% 2.09M 0.9% Common Stock
18 BP 1.0% $852.5M +29.4% 23.07M 1.2% ADR
19 C 1.0% $838.6M +51.0% 5.99M 0.6% Common Stock
20 CL 1.0% $833.9M +14.6% 9.10M 1.0% Common Stock
Change compares with the prior filing. Prior % is the share of the portfolio in that filing. Trend shows the quantity held in each of the last four filings: green rose, red fell, grey unchanged.
Exited in Latest Filing331
# Holding Prior % Prior Value Change Prior Quantity Trend (4Q) Type
Compared with the immediately prior published filing (Mar 31, 2026). Prior values are shown for context and are not included in current totals.