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ACADIAN ASSET MANAGEMENT LLC — 13F Holdings & Portfolio

CIK 916542 · latest 13F-HR filed 2026-08-13

Backtest portfolio

ACADIAN ASSET MANAGEMENT LLC manages $84.23B in 13F-reported U.S. long-equity assets across 1,987 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are AAPL (5.45%), NVDA (4.63%), GOOGL (2.57%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 313 new positions and exited 337; 956 existing positions rose in reported value and 615 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$84.23B

Long-equity book

Holdings
1,987

Distinct positions

Period
2026-06-30

Filed 2026-08-13

Q/Q Activity
+313 / −337 / ↑956 / ↓615

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
AAPL5.5% · +4%NVDA4.6% · +5%GOOGL2.6% · -26%AMZN2.4% · +38%MSFT2.1% · -3%BNS1.9% · +22%AMAT1.7% · -8%MU1.6% · -25%CM1.3% · +42%META1.3% · +42%COST1.3% · +40%AVGO1.3% · +2%KLAC1.2% · +612%GOOG1.2% · -13%ASML1.2% · -17%PEP1.1% · +20%LRCX1.1% · -30%BP1.0% · +29%C1.0% · +51%CL1.0% · +15%ABNB1.0% · +18%JPM0.9% · -29%TJX0.8% · +2%CSCO0.8% · +157%ERIC0.8% · -4%FTNT0.8% · +211%BMY0.8% · -2%LLY0.7% · -5%BRK.B0.7% · -5%LOGI0.7% · +33%TD0.7% · -15%AMD0.7% · +10%BKNG0.6% · +1651%SU0.6% · -23%ABBV0.6% · -9%MRK0.6% · -12%UNH0.6% · +103%CHKP0.6% · +122%EBAY0.5% · +31%ELV0.5% · +445%CNC0.5% · +42%SIMO0.5% · +2%STX0.5% · -26%BAC0.5% · -3%AZN0.5% · -3%BCS0.5% · +0%ROST0.5% · +54%INTC0.5% · +25%RY0.5% · +111%TSLA0.5% · -10%XOM0.5% · -6%EXPE0.4% · +6%GSK0.4% · -44%JNJ0.4% · -28%ZM0.4% · +2%WDC0.4% · -15%GS0.4% · -8%ANET0.4% · -11%VEEV0.4% · +9%TXN0.4% · +492%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 24.9%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People
Assets Under Management
$177.46B
Discretionary
$175.19B
Employees
375
Accounts
356
Address
260 FRANKLIN STREET
BOSTON, MA 02110
Phone
(617) 850-3500
Website
Name Title / Status Ownership Type
ACADIAN AFFILIATE HOLDINGS LLC ControlSOLE HOLDER OF CLASS A INTERESTS OF THE REGISTRANT - NAME CHANGE FROM BRIGHTSPHERE AFFILIATE HOLDINGS LLC75% or moreDomestic Entity
ACADIAN ASSET MANAGEMENT INC ControlSOLE SHAREHOLDER OF ACADIAN INC. - NAME CHANGE FROM BRIGHTSPHERE INVESTMENT GROUP75% or moreDomestic Entity
ACADIAN INC. ControlSOLE MEMBER OF ACADIAN AFFILIATE HOLDINGS LLC - NAME CHANGE FROM BRIGHTSPHERE INC.75% or moreDomestic Entity
ACADIAN KELP GP LLC ControlGENERAL PARTNER OF ACADIAN KELP LPGeneral partnerDomestic Entity
ACADIAN KELP LP ControlSOLE HOLDER OF CLASS B INTERESTS OF THE REGISTRANT75% or moreDomestic Entity
BRADLEY, BRENDAN, O'BRIEN ControlCIO, MANAGERLess than 5%Individual
Catania, Charmaine, Marie ControlSVP, CHIEF FINANCIAL OFFICERLess than 5%Individual
DIAS, SCOTT, PETER ControlSVP, CHIEF COMPLIANCE OFFICER, GENERAL COUNSELLess than 5%Individual
HART, RICHARD, JONATHAN ControlMANAGERLess than 5%Individual
Huang, Haixuan, Melody ControlMANAGERLess than 5%Individual
NOON, THEODORE, W. ControlCHIEF MARKETING OFFICER, MANAGERLess than 5%Individual
Voitenok, Alexandre ControlMANAGER, DEPUTY CHIEF INVESTMENT OFFICERLess than 5%Individual
Young, Kelly-Ann, Louise ControlCHIEF EXECUTIVE OFFICER, MANAGERLess than 5%Individual

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 956 →

Top Trims

Show all 615 →

New Positions

Show all 313 →

Exited Positions

Show all 337 →

ACADIAN ASSET MANAGEMENT LLC Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 APPLE INC AAPL 037833100 $4.59B 5.45% 15,872,551 SH
2 NVIDIA CORPORATION NVDA 67066G104 $3.90B 4.63% 19,509,461 SH
3 ALPHABET INC GOOGL 02079K305 $2.17B 2.57% 6,059,286 SH
4 AMAZON COM INC AMZN 023135106 $2.01B 2.39% 8,453,619 SH
5 MICROSOFT CORP MSFT 594918104 $1.81B 2.15% 4,848,128 SH
6 BANK NOVA SCOTIA B C BNS 064149107 $1.60B 1.90% 18,382,643 SH
7 APPLIED MATLS INC AMAT 038222105 $1.43B 1.69% 1,972,046 SH
8 MICRON TECHNOLOGY INC MU 595112103 $1.31B 1.55% 1,134,239 SH
9 CANADIAN IMPERIAL BANK OF CO CM 136069101 $1.12B 1.33% 9,708,901 SH
10 META PLATFORMS INC META 30303M102 $1.08B 1.28% 1,908,613 SH
11 COSTCO WHOLESALE CORPORATION COST 22160K105 $1.07B 1.27% 1,141,108 SH
12 BROADCOM LTD AVGO 11135F101 $1.06B 1.26% 2,802,074 SH
13 KLA CORP KLAC 482480100 $1.01B 1.19% 3,331,968 SH
14 ALPHABET INC GOOG 02079K107 $1.00B 1.19% 2,841,176 SH
15 ASML HLDG NV ASML N07059210 $998.3M 1.19% 501,821 SH
16 PEPSICO INC PEP 713448108 $913.1M 1.08% 6,744,246 SH
17 LAM RESEARCH CORP LRCX 512807306 $905.8M 1.08% 2,090,516 SH
18 BP PLC BP 055622104 $852.5M 1.01% 23,072,128 SH
19 CITIGROUP INC C 172967424 $838.6M 1.00% 5,991,934 SH
20 COLGATE PALMOLIVE CO CL 194162103 $833.9M 0.99% 9,096,779 SH
21 AIRBNB INC ABNB 009066101 $825.6M 0.98% 5,769,462 SH
22 JPMORGAN CHASE & CO JPM 46625H100 $728.2M 0.86% 2,224,822 SH
23 TJX COS INC NEW TJX 872540109 $703.6M 0.84% 4,644,821 SH
24 CISCO SYS INC CSCO 17275R102 $692.3M 0.82% 5,894,212 SH
25 TELEFONAKTIEBOLAGET LM ERICS ERIC 294821608 $691.6M 0.82% 62,033,988 SH
26 FORTINET INC FTNT 34959E109 $679.2M 0.81% 4,421,914 SH
27 BRISTOL-MYERS SQUIBB CO BMY 110122108 $668.0M 0.79% 11,593,352 SH
28 ELI LILLY & CO LLY 532457108 $609.9M 0.72% 508,522 SH
29 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $600.6M 0.71% 1,200,239 SH
30 LOGITECH INTL S A LOGI H50430232 $569.0M 0.68% 6,060,812 SH
31 TORONTO DOMINION BK ONT TD 891160509 $564.2M 0.67% 4,642,131 SH
32 ADVANCED MICRO DEVICES INC AMD 007903107 $562.1M 0.67% 967,628 SH
33 BOOKING HOLDINGS INC BKNG 09857L108 $526.3M 0.62% 2,952,971 SH
34 SUNCOR ENERGY INC NEW SU 867224107 $481.2M 0.57% 8,949,018 SH
35 ABBVIE INC ABBV 00287Y109 $478.6M 0.57% 1,901,997 SH
36 MERCK & CO INC MRK 58933Y105 $474.8M 0.56% 3,695,329 SH
37 UNITEDHEALTH GROUP INC UNH 91324P102 $473.2M 0.56% 1,138,592 SH
38 CHECK POINT SOFTWARE TECH LTD CHKP M22465104 $467.2M 0.55% 3,555,413 SH
39 EBAY INC. EBAY 278642103 $462.5M 0.55% 4,138,777 SH
40 ELEVANCE HEALTH INC FORMERLY ELV 036752103 $445.6M 0.53% 1,152,349 SH
41 CENTENE CORP DEL CNC 15135B101 $439.7M 0.52% 6,851,314 SH
42 SILICON MOTION TECHNOLOGY CO SIMO 82706C108 $438.5M 0.52% 1,315,838 SH
43 SEAGATE TECHNOLOGY HLDNGS PL STX G7997R103 $432.2M 0.51% 447,945 SH
44 BANK OF AMER CORP BAC 060505104 $427.2M 0.51% 7,497,850 SH
45 ASTRAZENECA PLC AZN G0593M107 $426.6M 0.51% 2,262,369 SH
46 BARCLAYS PLC BCS 06738E204 $424.1M 0.50% 15,791,741 SH
47 ROSS STORES INC ROST 778296103 $420.8M 0.50% 1,977,074 SH
48 INTEL CORP INTC 458140100 $409.4M 0.49% 2,932,344 SH
49 ROYAL BK CDA RY 780087102 $405.4M 0.48% 1,958,488 SH
50 TESLA INC TSLA 88160R101 $404.4M 0.48% 961,495 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-13 $84.23B 1,987 0001140361-26-032657
2026-03-31 2026-05-13 $70.49B 2,011 0001140361-26-020957
2025-12-31 2026-02-10 $60.90B 1,959 0001140361-26-004564
2025-09-30 2025-11-13 $57.30B 1,819 0001140361-25-041908
Filer Information
Address
260 FRANKLIN STREET
BOSTON, MA 02110
Phone
(617) 850-3500
Filing Manager
ACADIAN ASSET MANAGEMENT LLC
Boston, MA
Signatory
Alison Peabody
VP, Compliance Officer