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Ken Griffin

Ken Griffin Citadel Advisors

AUM $875B
1-Year Est. Return 40.91%
 

Ken Griffin founded Citadel, one of the world’s largest and most successful hedge funds. Starting his trading career from his Harvard dorm room at a young age, Griffin quickly developed a keen sense for markets and built Citadel into a global powerhouse with billions in assets under management. Known for his quantitative and technology-driven strategies, Griffin has also made headlines for significant philanthropic contributions, supporting causes in education, the arts, and public institutions. Over the years, he has earned recognition as one of the preeminent figures in modern finance.

This Fund
S&P 500
This Quarter Est. Return
+10.45%
1 Year Est. Return
+40.91%
3 Year Est. Return
+115.85%
5 Year Est. Return
+132.1%
10 Year Est. Return
+518.81%
AUM
$576B
AUM Growth
+$48.6B
Cap. Flow
-$29.1B
Cap. Flow %
-5.06%
Top 10 Hldgs %
27.06%
Holding
15,819
New
1,459
Increased
5,619
Reduced
5,141
Closed
3,524

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$820M
2
MSFT icon
Microsoft
MSFT
+$811M
3
MCD icon
McDonald's
MCD
+$804M
4
KO icon
Coca-Cola
KO
+$655M
5
AMZN icon
Amazon
AMZN
+$646M

Top Sells

Rank Stock Value
1
SCHW
Charles Schwab
SCHW
+$1.64B
2
QQQ icon
Invesco QQQ Trust
QQQ
+$1.1B
3
MSTR icon
Strategy Inc
MSTR
+$564M
4
KR icon
Kroger
KR
+$558M
5
DHR icon
Danaher
DHR
+$494M

Sector Composition

Rank Sector Weight
1 Technology 3.33%
2 Healthcare 3.23%
3 Consumer Discretionary 2.55%
4 Financials 2.55%
5 Industrials 1.94%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ATLO icon
12426
AMES National
ATLO
$280M
– –
-12,404
Closed -$216K
ATLX icon
12427
PUT
Atlas Lithium Corp
ATLX
$94.7M
– –
-30,200
Closed -$156K
ATMCR
12428
DELISTED
AlphaTime Acquisition Corp Right
ATMCR
– –
-21,823
Closed -$3.51K
ATMU icon
12429
PUT
Atmus Filtration Technologies
ATMU
$4.16B
– –
-7,200
Closed -$264K
ATNM icon
12430
PUT
Actinium Pharmaceuticals
ATNM
$32.6M
– –
-6,200
Closed -$9.98K
ATRC icon
12431
PUT
AtriCure
ATRC
$2.25B
– –
-4,500
Closed -$145K
ATRO icon
12432
PUT
Astronics
ATRO
$4.61B
– –
-6,240
Closed -$126K
ATS icon
12433
PUT
ATS Corp
ATS
$1.99B
– –
-5,200
Closed -$130K
ATXS
12434
CALL
DELISTED
Astria Therapeutics
ATXS
– –
-400
Closed -$2.14K
ATXS
12435
PUT
DELISTED
Astria Therapeutics
ATXS
– –
-100
Closed -$534
AUB icon
12436
CALL
Atlantic Union Bankshares
AUB
$6.12B
– –
-5,300
Closed -$165K
AUDC icon
12437
CALL
AudioCodes
AUDC
$250M
– –
-2,200
Closed -$20.7K
AUGW icon
12438
AllianzIM U.S. Equity Buffer20 Aug ETF
AUGW
$119M
– –
-8,636
Closed -$249K
AURA icon
12439
CALL
Aura Biosciences
AURA
$797M
– –
-6,000
Closed -$35.2K
AURA icon
12440
PUT
Aura Biosciences
AURA
$797M
– –
-6,400
Closed -$37.5K
AVAH icon
12441
CALL
Aveanna Healthcare
AVAH
$2.69B
– –
-400
Closed -$2.17K
AVD icon
12442
PUT
American Vanguard Corp
AVD
$62.5M
– –
-11,300
Closed -$49.7K
AVDL
12443
CALL
DELISTED
Avadel Pharmaceuticals
AVDL
– –
-9,600
Closed -$75.2K
AVDV icon
12444
CALL
Avantis International Small Cap Value ETF
AVDV
$20B
– –
-300
Closed -$20.9K
AVDV icon
12445
PUT
Avantis International Small Cap Value ETF
AVDV
$20B
– –
-100
Closed -$6.97K
AVDX
12446
PUT
DELISTED
AvidXchange
AVDX
– –
-1,200
Closed -$10.2K
AVES icon
12447
Avantis Emerging Markets Value ETF
AVES
$1.49B
– –
-9,710
Closed -$458K
AVIR icon
12448
CALL
Atea Pharmaceuticals
AVIR
$411M
– –
-3,400
Closed -$10.2K
AVIR icon
12449
Atea Pharmaceuticals
AVIR
$411M
– –
-21,992
Closed -$65.8K
AVIR icon
12450
PUT
Atea Pharmaceuticals
AVIR
$411M
– –
-400
Closed -$1.2K
496 497
498
499 500

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Ken Griffin's Q2 2025 Portfolio in Review

As of Q2 2025, Ken Griffin held 15,819 positions worth $576B, up 9.2% from $527B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

Ken Griffin withdrew a net $29.1B in Q2 2025, closing 3,524 positions and reducing 5,141 holdings. Its most notable exit was Kroger, an estimated $558M position sold in full.

By sector, the portfolio is most concentrated in Technology at 3.3% of assets, up from 2.9% a quarter earlier, followed by Healthcare and Consumer Discretionary.

Against the trend, Ken Griffin opened a new position in Walmart Inc worth $401M.

  • Ken Griffin's largest Q2 2025 buy was Walmart Inc: 4,099,492 shares worth $401M.
  • Ken Griffin added most to NVIDIA in Q2 2025, an estimated $820M increase.
  • Ken Griffin's biggest Q2 2025 reduction was Charles Schwab, cutting an estimated $1.64B.
  • Ken Griffin fully exited Kroger in Q2 2025, selling an estimated $558M.
  • Ken Griffin's ten largest holdings make up 27% of its $576B portfolio in Q2 2025.
  • Ken Griffin opened 1,459 new positions and closed 3,524 in Q2 2025.
  • Ken Griffin's portfolio value rose 9.2% quarter-over-quarter to $576B.

Based on Citadel Advisors's 13F filing for Q2 2025, filed 14 Aug 2025.