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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
+1.3%
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
$618B
AUM Growth
-$47.4B
Cap. Flow
-$19.5B
Cap. Flow %
-3.16%
Top 10 Hldgs %
21.78%
Holding
14,860
New
2,347
Increased
5,138
Reduced
5,286
Closed
2,003

Top Buys

Rank Stock Value
1
IVV icon
iShares Core S&P 500 ETF
IVV
+$2.72B
2
META icon
Meta Platforms (Facebook)
META
+$660M
3
MU icon
Micron Technology
MU
+$605M
4
MA icon
Mastercard
MA
+$497M
5
TSLA icon
Tesla
TSLA
+$495M

Top Sells

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$1.33B
2
V icon
Visa
V
+$1.26B
3
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$1.23B
4
LRCX icon
Lam Research
LRCX
+$699M
5
DIA icon
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
+$681M

Sector Composition

Rank Sector Weight
1 Technology 4.49%
2 Healthcare 2.99%
3 Financials 2.85%
4 Industrials 2.56%
5 Consumer Discretionary 2.23%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BMBL icon
8076
PUT
Bumble
BMBL
$366M
$821K ﹤0.01%
251,800
-409,000
-62% -$1.36M
XXI
8077
PUT
Twenty One Capital Inc
XXI
$3.08B
$820K ﹤0.01%
128,200
-149,600
-54% -$1.1M
ALKS icon
8078
PUT
Alkermes
ALKS
$8.48B
$820K ﹤0.01%
23,200
-59,200
-72% -$1.84M
CRON
8079
CALL
Cronos Group
CRON
$1.19B
$820K ﹤0.01%
326,800
-123,300
-27% -$321K
FTS icon
8080
CALL
Fortis
FTS
$28.7B
$820K ﹤0.01%
+14,700
New +$808K
TATT icon
8081
TAT Technologies
TATT
$510M
$820K ﹤0.01%
20,175
-69,035
-77% -$3.57M
DRH icon
8082
Diamondrock Hospitality Co
DRH
$2.61B
$819K ﹤0.01%
+87,450
New +$834K
FDN icon
8083
CALL
First Trust Dow Jones Internet Index Fund ETF
FDN
$5.53B
$819K ﹤0.01%
3,500
– –
JMIA
8084
PUT
Jumia Technologies
JMIA
$836M
$819K ﹤0.01%
118,700
-8,300
-7% -$83.6K
OBTC
8085
Osprey Bitcoin Trust
OBTC
$819K ﹤0.01%
37,517
+22,807
+155% +$560K
DEED icon
8086
First Trust Securitized Plus ETF
DEED
$63.5M
$818K ﹤0.01%
38,364
-2,724
-7% -$59K
RSPS icon
8087
Invesco S&P 500 Equal Weight Consumer Staples ETF
RSPS
$249M
$818K ﹤0.01%
+27,730
New +$861K
VIRT icon
8088
PUT
Virtu Financial
VIRT
$5.38B
$818K ﹤0.01%
18,600
-44,300
-70% -$1.73M
ADSE icon
8089
PUT
ADS-TEC Energy
ADSE
$902M
$818K ﹤0.01%
+71,100
New +$808K
OVID icon
8090
Ovid Therapeutics
OVID
$566M
$817K ﹤0.01%
367,902
-429,922
-54% -$769K
EEFT icon
8091
PUT
Euronet Worldwide
EEFT
$2.59B
$816K ﹤0.01%
12,300
-44,900
-78% -$3.21M
PHR icon
8092
PUT
Phreesia
PHR
$735M
$816K ﹤0.01%
97,400
+34,800
+56% +$460K
CIB icon
8093
CALL
Grupo Cibest SA
CIB
$23.4B
$815K ﹤0.01%
11,200
+4,600
+70% +$338K
NURE icon
8094
Nuveen Short-Term REIT ETF
NURE
$35.2M
$814K ﹤0.01%
29,943
-11,914
-28% -$341K
JHID icon
8095
John Hancock International High Dividend ETF
JHID
$11.5M
$813K ﹤0.01%
20,071
+4,755
+31% +$193K
UMAY icon
8096
Innovator US Equity Ultra Buffer ETF May
UMAY
$141M
$813K ﹤0.01%
22,085
+9,574
+77% +$352K
AMZY icon
8097
YieldMax AMZN Option Income Strategy ETF
AMZY
$246M
$813K ﹤0.01%
73,761
+36,631
+99% +$440K
AVNM icon
8098
Avantis All International Markets Equity ETF
AVNM
$729M
$813K ﹤0.01%
+10,669
New +$834K
SMA
8099
SmartStop Self Storage REIT
SMA
$1.92B
$812K ﹤0.01%
+26,826
New +$862K
TUSK icon
8100
Mammoth Energy Services
TUSK
$149M
$812K ﹤0.01%
331,367
+111,256
+51% +$253K
322 323
324
325 326

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Ken Griffin's Q1 2026 Portfolio in Review

As of Q1 2026, Ken Griffin held 14,860 positions worth $618B, down 7.1% from $666B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

Ken Griffin withdrew a net $19.5B in Q1 2026, closing 2,003 positions and reducing 5,286 holdings. Its most notable exit was CyberArk, an estimated $305M position sold in full.

By sector, the portfolio is most concentrated in Technology at 4.5% of assets, down from 4.9% a quarter earlier, followed by Healthcare and Financials.

Against the trend, Ken Griffin opened a new position in iShares 7-10 Year Treasury Bond ETF worth $327M.

  • Ken Griffin's largest Q1 2026 buy was iShares 7-10 Year Treasury Bond ETF: 3,431,225 shares worth $327M.
  • Ken Griffin added most to iShares Core S&P 500 ETF in Q1 2026, an estimated $2.72B increase.
  • Ken Griffin's biggest Q1 2026 reduction was Amazon, cutting an estimated $1.33B.
  • Ken Griffin fully exited CyberArk in Q1 2026, selling an estimated $305M.
  • Ken Griffin's ten largest holdings make up 22% of its $618B portfolio in Q1 2026.
  • Ken Griffin opened 2,347 new positions and closed 2,003 in Q1 2026.
  • Ken Griffin's portfolio value fell 7.1% quarter-over-quarter to $618B.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.