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ACADIAN ASSET MANAGEMENT LLC

13F filer · CIK 916542 · Boston, MA

Summary
ACADIAN ASSET MANAGEMENT LLC reported $84.23M across 1,987 positions in its 13F for 2026 Q2, filed Aug 13, 2026. The largest holdings are AAPL (5.5%), NVDA (4.6%), GOOGL (2.6%). Versus 2026 Q1, leaving options aside, it opened 313 new positions, added to 856, trimmed 703 and sold out of 337.
Reported value$84.23M
Positions1,987
Report period2026 Q2
FiledAug 13, 2026
New positions313
Added856
Trimmed703
Sold out337

Top 25 holdings

By reported value, options listed separately · change vs 2026 Q1

Weight 5.5%Value $4.59MPrice $329.40Shares 15.87M +3.47%Since Jun 30 +113738.71%
Weight 4.6%Value $3.90MPrice $228.86Shares 19.51M +4.59%Since Jun 30 +114280.14%
Weight 2.6%Value $2.17MPrice $342.75Shares 6.06M -25.93%Since Jun 30 +95811.40%
Weight 2.4%Value $2.01MPrice $246.67Shares 8.45M +37.76%Since Jun 30 +103397.76%
Weight 2.1%Value $1.81MPrice $509.22Shares 4.85M -3.32%Since Jun 30 +136416.62%
Weight 1.9%Value $1.60MPrice $92.47Shares 18.38M +22.39%Since Jun 30 +106331.03%
Weight 1.7%Value $1.43MPrice $512.01Shares 1.97M -7.74%Since Jun 30 +70719.97%
Weight 1.6%Value $1.31MPrice $1054Shares 1.13M -25.20%Since Jun 30 +91212.72%
Weight 1.3%Value $1.12MPrice $112.15Shares 9.71M +42.18%Since Jun 30 +97328.86%
Weight 1.3%Value $1.08MPrice $715.62Shares 1.91M +42.04%Since Jun 30 +126947.35%
Weight 1.3%Value $1.07MPrice $922.92Shares 1.14M +39.96%Since Jun 30 +98562.80%
Weight 1.3%Value $1.06MPrice $355.10Shares 2.80M +2.50%Since Jun 30 +93907.39%
Weight 1.2%Value $1.01MPrice $189.17Shares 3.33M +611.67%Since Jun 30 +62602.47%
Weight 1.2%Value $1.00MPrice $339.16Shares 2.84M -13.39%Since Jun 30 +95891.28%
Weight 1.2%Value $998.3KPrice $1834Shares 502K -16.89%Since Jun 30 +92110.95%
Weight 1.1%Value $913.1KPrice $128.50Shares 6.74M +20.43%Since Jun 30 +94809.49%
Weight 1.1%Value $905.8KPrice $314.47Shares 2.09M -30.13%Since Jun 30 +72474.19%
Weight 1.0%Value $852.5KPrice $43.52Shares 23.07M +29.39%Since Jun 30 +117688.96%
Weight 1.0%Value $838.6KPrice $130.80Shares 5.99M +50.95%Since Jun 30 +93359.30%
Weight 1.0%Value $833.9KPrice $86.46Shares 9.10M +14.61%Since Jun 30 +94212.58%
Weight 1.0%Value $825.6KPrice $156.96Shares 5.77M +17.64%Since Jun 30 +109589.79%
Weight 0.9%Value $728.2KPrice $336.59Shares 2.22M -28.86%Since Jun 30 +102734.74%
Weight 0.8%Value $703.6KPrice $130.25Shares 4.64M +1.65%Since Jun 30 +85879.14%
Weight 0.8%Value $692.3KPrice $106.74Shares 5.89M +157.10%Since Jun 30 +90779.68%
Weight 0.8%Value $691.6KPrice $9.42Shares 62.03M -4.29%Since Jun 30 +84392.00%

Weight is the share of the reported 13F value, including options at notional value. “Since Jun 30” compares the latest close with the quarter-end price implied by the filing (value ÷ shares).

Largest buys in 2026 Q2

KLACKLACKLA CORP≈ $864.0KAdd
AMZNAMZNAMAZON COM INC≈ $552.3KAdd
FTNTFTNTFORTINET INC≈ $460.7KAdd
CSCOCSCOCISCO SYS INC≈ $423.0KAdd

Largest sells in 2026 Q2

GOOGLGOOGLALPHABET INC≈ $610.0KTrim
MCKMCKMCKESSON CORP≈ $409.0KTrim
GSKGSKGSK PLC≈ $283.5KTrim
JPMJPMJPMORGAN CHASE & CO≈ $265.5KTrim

Source: SEC Form 13F, values as reported by the filer. Filings lag up to 45 days after quarter end and cover only certain long positions. Research only, not investment advice.

Original filing All 13F filings on EDGAR