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Acadian Asset Management

Acadian Asset Management Portfolio holdings

AUM $70.5B
1-Year Est. Return 36%
This Fund
S&P 500
This Quarter Est. Return
+2.28%
1 Year Est. Return
+36%
3 Year Est. Return
+137.96%
5 Year Est. Return
+215.76%
10 Year Est. Return
+864.44%
AUM
$70.5B
AUM Growth
+$9.59B
Cap. Flow
+$12B
Cap. Flow %
17.07%
Top 10 Hldgs %
24.47%
Holding
2,298
New
339
Increased
893
Reduced
647
Closed
287

Top Buys

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$1.14B
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$712M
3
PEP icon
PepsiCo
PEP
+$693M
4
AMAT icon
Applied Materials
AMAT
+$636M
5
KLAC icon
KLA
KLAC
+$504M

Top Sells

Rank Stock Value
1
UBS icon
UBS Group
UBS
+$565M
2
DB icon
Deutsche Bank
DB
+$514M
3
META icon
Meta Platforms (Facebook)
META
+$438M
4
TD icon
Toronto Dominion Bank
TD
+$306M
5
SPOT icon
Spotify
SPOT
+$273M

Sector Composition

Rank Sector Weight
1 Technology 32.47%
2 Healthcare 12.82%
3 Financials 12.81%
4 Communication Services 9.19%
5 Consumer Discretionary 8.59%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ADAP
2001
DELISTED
Adaptimmune Therapeutics
ADAP
– –
-17,167
Closed –
AEG icon
2002
Aegon
AEG
$14B
– –
-1,362,895
Closed -$10.5M
AER icon
2003
AerCap
AER
$23.7B
– –
-17,323
Closed -$2.49M
AFCG
2004
AFC Gamma
AFCG
$61.4M
– –
-69,653
Closed -$198K
AFG icon
2005
American Financial Group
AFG
$11.8B
– –
-4,079
Closed -$557K
AFL icon
2006
Aflac
AFL
$64.9B
– –
-2,349
Closed -$258K
AFRM icon
2007
Affirm
AFRM
$23.9B
– –
-1,401
Closed -$104K
AIG icon
2008
American International
AIG
$41.7B
– –
-13,547
Closed -$1.16M
ALEX
2009
DELISTED
Alexander & Baldwin
ALEX
– –
-56,761
Closed -$1.17M
AMLX icon
2010
Amylyx Pharmaceuticals
AMLX
$2.26B
– –
-254,328
Closed -$3.07M
AMPH icon
2011
Amphastar Pharmaceuticals
AMPH
$879M
– –
-9,332
Closed -$249K
AON icon
2012
Aon
AON
$76.5B
– –
-365
Closed -$128K
AOUT icon
2013
American Outdoor Brands
AOUT
$155M
– –
-24,496
Closed -$188K
ARE icon
2014
Alexandria Real Estate Equities
ARE
$8.97B
– –
-65,673
Closed -$3.21M
ARGX icon
2015
argenx
ARGX
$53.4B
– –
-117,887
Closed -$99.1M
ARIS
2016
Aris Mining
ARIS
$2.76B
– –
-346,520
Closed -$5.62M
ASMB icon
2017
Assembly Biosciences
ASMB
$498M
– –
-12,446
Closed -$422K
ASND icon
2018
Ascendis Pharma A/S
ASND
$16B
– –
-5,291
Closed -$1.13M
ASPN icon
2019
Aspen Aerogels
ASPN
$384M
– –
-43,842
Closed -$122K
ATOS icon
2020
Atossa Therapeutics
ATOS
$20.6M
– –
-5,294
Closed -$46K
AVAV icon
2021
AeroVironment
AVAV
$7.56B
– –
-375
Closed -$90K
AVPT icon
2022
AvePoint
AVPT
$2.76B
– –
-838
Closed -$11K
AVTX icon
2023
Avalo Therapeutics
AVTX
$965M
– –
-1,471
Closed -$26K
AWI icon
2024
Armstrong World Industries
AWI
$7.38B
– –
-8,044
Closed -$1.53M
AWK icon
2025
American Water Works
AWK
$26.7B
– –
-39,708
Closed -$5.18M
79 80
81
82 83

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Acadian Asset Management's Q1 2026 Portfolio in Review

As of Q1 2026, Acadian Asset Management held 2,298 positions worth $70.5B, up 16% from $60.9B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

Acadian Asset Management deployed $12B of net new capital in Q1 2026, opening 339 new positions and adding to 893 existing holdings. Its largest new stake was iShares MSCI Taiwan ETF: 941,188 shares worth $66.7M.

By sector, the portfolio is most concentrated in Technology at 32% of assets, down from 33% a quarter earlier, followed by Healthcare and Financials.

On the sell side, the largest reduction was UBS Group, an estimated $565M trimmed.

  • Acadian Asset Management's largest Q1 2026 buy was iShares MSCI Taiwan ETF: 941,188 shares worth $66.7M.
  • Acadian Asset Management added most to Apple in Q1 2026, an estimated $1.14B increase.
  • Acadian Asset Management's biggest Q1 2026 reduction was UBS Group, cutting an estimated $565M.
  • Acadian Asset Management fully exited iShares MSCI ACWI ex US ETF in Q1 2026, selling an estimated $151M.
  • Acadian Asset Management's ten largest holdings make up 24% of its $70.5B portfolio in Q1 2026.
  • Acadian Asset Management opened 339 new positions and closed 287 in Q1 2026.
  • Acadian Asset Management's portfolio value rose 16% quarter-over-quarter to $70.5B.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.