What Acadian Asset Management LLC changed, 2013 to 2026
53 quarterly 13F filings, from Q2 2013 to Q2 2026, each read from the filing itself. A quarter is compared only with the quarter before it, so a quarter with no filing is a gap in the record, not a sale.
Reported book
$84.2bn
$14.4bn at Q2 2013
Positions
1,987
927 at Q2 2013
Top ten weight
25%
18% at Q2 2013
Typical quarterly turnover
about 16%
Estimated from share changes
- Q2 2013: $14.4bn
- Q3 2013: $15.4bn
- Q4 2013: $18.0bn
- Q1 2014: $19.1bn
- Q2 2014: $20.6bn
- Q3 2014: $20.7bn
- Q4 2014: $22.4bn
- Q1 2015: $21.7bn
- Q2 2015: $20.6bn
- Q3 2015: $18.3bn
- Q4 2015: $19.1bn
- Q1 2016: $19.8bn
- Q2 2016: $19.6bn
- Q3 2016: $20.2bn
- Q4 2016: $20.6bn
- Q1 2017: $21.8bn
- Q2 2017: $22.1bn
- Q3 2017: $22.6bn
- Q4 2017: $23.1bn
- Q1 2018: $23.1bn
- Q2 2018: $23.1bn
- Q3 2018: $24.2bn
- Q4 2018: $20.2bn
- Q1 2019: $23.2bn
- Q2 2019: $20.8bn
- Q3 2019: $23.4bn
- Q4 2019: $22.0bn
- Q1 2020: $17.5bn
- Q2 2020: $23.2bn
- Q3 2020: $23.9bn
- Q4 2020: $25.9bn
- Q1 2021: $25.7bn
- Q2 2021: $26.6bn
- Q3 2021: $26.2bn
- Q4 2021: $26.8bn
- Q1 2022: $24.3bn
- Q2 2022: $19.6bn
- Q3 2022: $18.3bn
- Q4 2022: $20.3bn
- Q1 2023: $22.8bn
- Q2 2023: $24.3bn
- Q3 2023: $23.9bn
- Q4 2023: $25.8bn
- Q1 2024: $28.7bn
- Q2 2024: $32.5bn
- Q3 2024: $32.2bn
- Q4 2024: $34.5bn
- Q1 2025: $35.4bn
- Q2 2025: $48.4bn
- Q3 2025: $57.3bn
- Q4 2025: $60.9bn
- Q1 2026: $70.5bn
- Q2 2026: $84.2bn
- Q2 2013: 18%
- Q3 2013: 19%
- Q4 2013: 21%
- Q1 2014: 21%
- Q2 2014: 21%
- Q3 2014: 20%
- Q4 2014: 19%
- Q1 2015: 17%
- Q2 2015: 18%
- Q3 2015: 17%
- Q4 2015: 17%
- Q1 2016: 19%
- Q2 2016: 18%
- Q3 2016: 18%
- Q4 2016: 19%
- Q1 2017: 19%
- Q2 2017: 19%
- Q3 2017: 20%
- Q4 2017: 21%
- Q1 2018: 19%
- Q2 2018: 19%
- Q3 2018: 21%
- Q4 2018: 20%
- Q1 2019: 18%
- Q2 2019: 20%
- Q3 2019: 20%
- Q4 2019: 20%
- Q1 2020: 22%
- Q2 2020: 20%
- Q3 2020: 23%
- Q4 2020: 22%
- Q1 2021: 22%
- Q2 2021: 19%
- Q3 2021: 19%
- Q4 2021: 18%
- Q1 2022: 18%
- Q2 2022: 18%
- Q3 2022: 18%
- Q4 2022: 16%
- Q1 2023: 18%
- Q2 2023: 19%
- Q3 2023: 21%
- Q4 2023: 22%
- Q1 2024: 23%
- Q2 2024: 26%
- Q3 2024: 24%
- Q4 2024: 24%
- Q1 2025: 23%
- Q2 2025: 23%
- Q3 2025: 26%
- Q4 2025: 26%
- Q1 2026: 24%
- Q2 2026: 25%
The positions that defined it
Every position that was ever among the 25 largest: when it first appeared, when it was largest, and where it stands in Q2 2026. The line is its reported value each quarter.
| Position | Value over time | First listed | Largest | Q2 2026 |
|---|---|---|---|---|
| Apple Inc(AAPL) | Q3 2013 | $4.6bnQ2 2026 | $4.6bn | |
| Nvidia Corp(NVDA) | Q4 2014 | $3.9bnQ2 2026 | $3.9bn | |
| Alphabet Inc(GOOGL)Capital Stock Class A | Q4 2023 | $2.4bnQ1 2026 | $2.2bn | |
| Amazon Com Inc(AMZN) | Q3 2015 | $2.0bnQ2 2026 | $2.0bn | |
| Microsoft Corp(MSFT) | Q3 2013 | $1.9bnQ4 2025 | $1.8bn | |
| Bank N S Halifax(BNS) | Q4 2013 | $1.6bnQ2 2026 | $1.6bn | |
| Applied Matls Inc(AMAT) | Q1 2017 | $1.4bnQ2 2026 | $1.4bn | |
| Micron Technology Inc(MU) | Q2 2014 | $1.3bnQ2 2026 | $1.3bn | |
| CDN Imperial BK of Commerce(CM) | Q3 2013 | $1.1bnQ2 2026 | $1.1bn | |
| Facebook Inc(META)Class A | Q1 2016 | $1.5bnQ3 2025 | $1.1bn | |
| Costco WHSL Corp New(COST) | Q3 2013 | $1.1bnQ2 2026 | $1.1bn | |
| Broadcom LTD(AVGO) | Q4 2020 | $1.1bnQ2 2026 | $1.1bn | |
| Alibaba Group HLDG LTD(BABA)Sponsored ADS | Q4 2015 | $1.5bnQ3 2020 | Soldlast listed Q3 2021 | |
| Alphabet Inc(GOOGL)Class A | Q4 2015 | $889mQ4 2021 | Below the listed rangelast listed Q3 2023 | |
| Baidu Inc(BIDU)Sponsored ADR REP A | Q4 2015 | $717mQ4 2020 | Soldlast listed Q2 2021 | |
| America Movil Sab de CVSponsored ADR L Shares | Q3 2013 | $704mQ3 2014 | Below the listed rangelast listed Q3 2019 | |
| Stellantis N.v(STLA) | Q3 2023 | $673mQ1 2024 | Soldlast listed Q1 2025 | |
| Sea LTD(SE)Sponsord ADS | Q3 2020 | $653mQ2 2025 | Soldlast listed Q3 2025 | |
| Taiwan Semiconductor MFG LTD(TSM)Sponsored ADR | Q3 2013 | $586mQ1 2015 | Below the listed rangelast listed Q4 2018 | |
| Magna Intl Inc(MGA) | Q3 2013 | $559mQ2 2014 | Soldlast listed Q1 2026 |
Quarter by quarter
Q1 2019: $23.2bn across 1,944 positions
Against Q4 2018: 443 new, 731 added to, 584 trimmed, 202 sold out, across all 1,944 positions.
Turnover about 12% of the book, estimated from share changes at quarter-end prices.
Largest additions
- Alibaba Group HLDG LTD (BABA)+$168m
- Verizon Communications Inc (VZ)+$124m
- Alphabet Inc (GOOGL)+$104m
- Bank Montreal Que (BMO)+$91m
- Amazon Com Inc (AMZN)+$84m
- Check Point Software Tech LTD (CHKP)+$73m
- Toronto Dominion BK Ont (TD)+$70m
- Cyberark Software LTD+$70m
Largest reductions
- Apple Inc (AAPL)-$97m
- Baidu Inc (BIDU)-$95m
- Pepsico Inc (PEP)-$57m
- Phillips 66 (PSX)-$49m
- Walgreens Boots Alliance Inc-$48m
- Cigna Corp New (CI)-$37m
- Wellcare Health Plans Inc-$35m
- Merck & Co Inc New (MRK)-$34m
Opened
- Vale S A (VALE)$256m
Sold out
- Groupe Cgi Incwas $41m
- Attunity LTDwas $17m
- Steris PLCwas $14m
- CF Inds HLDGS Inc (CF)was $10m
- Luxoft Holding Incwas $7.7m
- Pampa Energia S A (PAM)was $5.9m
- Goldcorp Inc Newwas $4.5m
- Suntrust BKS Incwas $3.9m
Largest positions, Q1 2019
The largest 25 of 1,944 reported positions; the largest 500 carry 95.2% of the reported value.
| Position | Value | Weight | On the quarter |
|---|---|---|---|
| Royal BK Cda Montreal Que (RY) | $621m | 2.7% | Added |
| Bank Montreal Que (BMO) | $571m | 2.5% | Added |
| Toronto Dominion BK Ont (TD) | $544m | 2.3% | Added |
| CDN Imperial BK of Commerce (CM) | $479m | 2.1% | Added |
| Procter & Gamble Co (PG) | $429m | 1.8% | Added |
| Microsoft Corp (MSFT) | $381m | 1.6% | Added |
| Home Depot Inc (HD) | $336m | 1.4% | Trimmed |
| Berkshire Hathaway Inc Del (BRK-B) | $325m | 1.4% | Trimmed |
| Humana Inc (HUM) | $306m | 1.3% | Trimmed |
| Icon PLC (ICLR) | $293m | 1.3% | Trimmed |
| Verizon Communications Inc (VZ) | $281m | 1.2% | Added |
| Lauder Estee Cos Inc (EL) | $280m | 1.2% | Trimmed |
| Ecopetrol S A (EC) | $273m | 1.2% | Trimmed |
| Wellcare Health Plans Inc | $265m | 1.1% | Trimmed |
| Vale S A (VALE) | $256m | 1.1% | New |
| Autohome Inc (ATHM) | $250m | 1.1% | Trimmed |
| Mettler Toledo International (MTD) | $243m | 1.0% | Trimmed |
| Amazon Com Inc (AMZN) | $231m | 1.0% | Added |
| Anthem Inc (ELV) | $230m | 1.0% | Added |
| Bp plc (BP) | $226m | 1.0% | Trimmed |
| Check Point Software Tech LTD (CHKP) | $206m | 0.9% | Added |
| Intuit (INTU) | $198m | 0.9% | Trimmed |
| Unitedhealth Group Inc (UNH) | $183m | 0.8% | Added |
| Cyberark Software LTD | $180m | 0.8% | Added |
| Mastercard Inc (MA) | $179m | 0.8% | Trimmed |
The books most like this one
Among the managers whose filings are on file, at Q2 2026. Overlap is the share of the two books that is the same: for every stock both list, the smaller of its two weights, added up. Two books can overlap because both own the largest companies; it says nothing about whether the managers agree.
| Manager | Overlap | Stocks in both | Overlap over time | |
|---|---|---|---|---|
| Invesco Ltd | at least 47% | 221 | Compare | |
| T. Rowe Price Associates Inc | at least 46% | 194 | Compare | |
| Fidelity (FMR LLC) | at least 42% | 189 | Compare | |
| Man Group PLC | at least 41% | 220 | Compare | |
| Arrowstreet Capital LP | at least 40% | 214 | Compare | |
| Neuberger Berman Group LLC | at least 40% | 174 | Compare | |
| Wellington Management Group LLP | at least 40% | 180 | Compare | |
| AllianceBernstein LP | at least 40% | 174 | Compare |
“At least” where either manager has more positions than are read each quarter: a stock both hold below that range is not counted.
The filings behind it
Every quarter above is one 13F holdings report, with any amendment the filer made to it applied in the order it was filed. Where the reporting entity changed, each quarter keeps the filer that actually reported it.
| Quarter | Filer | Book | Amended | Filing |
|---|---|---|---|---|
| Q2 2026 | Acadian Asset Management LLC | $84.2bn | 13F-HR | |
| Q1 2026 | Acadian Asset Management LLC | $70.5bn | 13F-HR | |
| Q4 2025 | Acadian Asset Management LLC | $60.9bn | 13F-HR | |
| Q3 2025 | Acadian Asset Management LLC | $57.3bn | 13F-HR | |
| Q2 2025 | Acadian Asset Management LLC | $48.4bn | 13F-HR | |
| Q1 2025 | Acadian Asset Management LLC | $35.4bn | 13F-HR | |
| Q4 2024 | Acadian Asset Management LLC | $34.5bn | 13F-HR | |
| Q3 2024 | Acadian Asset Management LLC | $32.2bn | 13F-HR | |
| Q2 2024 | Acadian Asset Management LLC | $32.5bn | 13F-HR | |
| Q1 2024 | Acadian Asset Management LLC | $28.7bn | 13F-HR | |
| Q4 2023 | Acadian Asset Management LLC | $25.8bn | 13F-HR | |
| Q3 2023 | Acadian Asset Management LLC | $23.9bn | 13F-HR | |
| Q2 2023 | Acadian Asset Management LLC | $24.3bn | 13F-HR | |
| Q1 2023 | Acadian Asset Management LLC | $22.8bn | 13F-HR | |
| Q4 2022 | Acadian Asset Management LLC | $20.3bn | 13F-HR | |
| Q3 2022 | Acadian Asset Management LLC | $18.3bn | 13F-HR | |
| Q2 2022 | Acadian Asset Management LLC | $19.6bn | 13F-HR | |
| Q1 2022 | Acadian Asset Management LLC | $24.3bn | 13F-HR | |
| Q4 2021 | Acadian Asset Management LLC | $26.8bn | 13F-HR | |
| Q3 2021 | Acadian Asset Management LLC | $26.2bn | 13F-HR | |
| Q2 2021 | Acadian Asset Management LLC | $26.6bn | 13F-HR | |
| Q1 2021 | Acadian Asset Management LLC | $25.7bn | 13F-HR | |
| Q4 2020 | Acadian Asset Management LLC | $25.9bn | 13F-HR | |
| Q3 2020 | Acadian Asset Management LLC | $23.9bn | 13F-HR | |
| Q2 2020 | Acadian Asset Management LLC | $23.2bn | 13F-HR | |
| Q1 2020 | Acadian Asset Management LLC | $17.5bn | 13F-HR | |
| Q4 2019 | Acadian Asset Management LLC | $22.0bn | 13F-HR | |
| Q3 2019 | Acadian Asset Management LLC | $23.4bn | 13F-HR | |
| Q2 2019 | Acadian Asset Management LLC | $20.8bn | 13F-HR | |
| Q1 2019 | Acadian Asset Management LLC | $23.2bn | 13F-HR | |
| Q4 2018 | Acadian Asset Management LLC | $20.2bn | 13F-HR | |
| Q3 2018 | Acadian Asset Management LLC | $24.2bn | 13F-HR | |
| Q2 2018 | Acadian Asset Management LLC | $23.1bn | 13F-HR | |
| Q1 2018 | Acadian Asset Management LLC | $23.1bn | 13F-HR | |
| Q4 2017 | Acadian Asset Management LLC | $23.1bn | 13F-HR | |
| Q3 2017 | Acadian Asset Management LLC | $22.6bn | 13F-HR | |
| Q2 2017 | Acadian Asset Management LLC | $22.1bn | 13F-HR | |
| Q1 2017 | Acadian Asset Management LLC | $21.8bn | 13F-HR | |
| Q4 2016 | Acadian Asset Management LLC | $20.6bn | 13F-HR | |
| Q3 2016 | Acadian Asset Management LLC | $20.2bn | 13F-HR | |
| Q2 2016 | Acadian Asset Management LLC | $19.6bn | 13F-HR | |
| Q1 2016 | Acadian Asset Management LLC | $19.8bn | 13F-HR | |
| Q4 2015 | Acadian Asset Management LLC | $19.1bn | 13F-HR | |
| Q3 2015 | Acadian Asset Management LLC | $18.3bn | 13F-HR | |
| Q2 2015 | Acadian Asset Management LLC | $20.6bn | 13F-HR | |
| Q1 2015 | Acadian Asset Management LLC | $21.7bn | 13F-HR | |
| Q4 2014 | Acadian Asset Management LLC | $22.4bn | 13F-HR | |
| Q3 2014 | Acadian Asset Management LLC | $20.7bn | 13F-HR | |
| Q2 2014 | Acadian Asset Management LLC | $20.6bn | 13F-HR | |
| Q1 2014 | Acadian Asset Management LLC | $19.1bn | 13F-HR | |
| Q4 2013 | Acadian Asset Management LLC | $18.0bn | 13F-HR | |
| Q3 2013 | Acadian Asset Management LLC | $15.4bn | 13F-HR | |
| Q2 2013 | Acadian Asset Management LLC | $14.4bn | 13F-HR |
Reading this record
A 13F lists US-listed long equity and options at the quarter end, filed up to 45 days later. It shows what was held, not when it was bought or at what price, and nothing short. Where a quarter lists only the largest positions, a name missing from it may still be held below that range; the counts of what was opened and sold always cover the whole filing.
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