Ken Griffin Citadel Advisors
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.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Core S&P 500 ETF
IVV
|
+$2.72B |
| 2 |
Meta Platforms (Facebook)
META
|
+$660M |
| 3 |
Micron Technology
MU
|
+$605M |
| 4 |
Mastercard
MA
|
+$497M |
| 5 |
Tesla
TSLA
|
+$495M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$1.33B |
| 2 |
Visa
V
|
+$1.26B |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$1.23B |
| 4 |
Lam Research
LRCX
|
+$699M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
1076
SLM Corp
SLM
$5.22B
| $70.2M | 0.01% |
3,279,540
+1,969,270
| +150% | +$46.5M |
|
|
LTM
1077
LATAM Airlines Group S.A.
LTM
$15.1B
| $70.2M | 0.01% |
1,419,678
+1,257,597
| +776% | +$71.1M |
|
1078
PUT
CME Group
CME
$96.1B
| $70.2M | 0.01% |
237,600
-8,900
| -4% | -$2.64M |
|
1079
Houlihan Lokey
HLI
$9.24B
| $70.1M | 0.01% |
488,152
+421,069
| +628% | +$69.3M |
|
1080
Caesars Entertainment
CZR
$6.04B
| $70M | 0.01% |
2,649,634
-95,980
| -3% | -$2.28M |
|
1081
Alcon
ALC
$35.5B
| $69.9M | 0.01% |
927,592
+380,288
| +69% | +$30.3M |
|
1082
SBA Communications
SBAC
$19.8B
| $69.8M | 0.01% |
405,444
+15,441
| +4% | +$2.89M |
|
1083
Roivant Sciences
ROIV
$26.2B
| $69.7M | 0.01% |
2,515,998
+229,997
| +10% | +$5.91M |
|
1084
Radian Group
RDN
$4.92B
| $69.5M | 0.01% |
2,101,046
-888,550
| -30% | -$29.8M |
|
1085
Apple Hospitality REIT
APLE
$3.75B
| $69.4M | 0.01% |
6,033,370
+5,777,953
| +2,262% | +$69.9M |
|
1086
CALL
GE HealthCare
GEHC
$33.3B
| $69.1M | 0.01% |
971,300
+474,000
| +95% | +$37.4M |
|
1087
Targa Resources
TRGP
$57.2B
| $68.9M | 0.01% |
274,918
+21,642
| +9% | +$4.69M |
|
1088
Antero Resources
AR
$11.3B
| $68.9M | 0.01% |
1,622,714
+1,210,815
| +294% | +$44.2M |
|
1089
Woodward
WWD
$21.2B
| $68.7M | 0.01% |
191,934
-291,611
| -60% | -$105M |
|
1090
CALL
3M
MMM
$94.2B
| $68.5M | 0.01% |
471,500
-153,200
| -25% | -$24.4M |
|
1091
CALL
Alcoa
AA
$13.1B
| $68.5M | 0.01% |
1,032,200
-96,700
| -9% | -$5.93M |
|
1092
CALL
American Electric Power
AEP
$68.3B
| $68.4M | 0.01% |
521,900
+107,700
| +26% | +$13.5M |
|
1093
Affiliated Managers Group
AMG
$9.7B
| $68.4M | 0.01% |
247,220
-72,217
| -23% | -$21.8M |
|
1094
Enliven Therapeutics
ELVN
$4.25B
| $68.4M | 0.01% |
1,743,915
+319,571
| +22% | +$8.85M |
|
1095
CALL
GraniteShares ETF Trust GraniteShares 2x Long NVDA Daily ETF
NVDL
$3.89B
| $68.3M | 0.01% |
2,824,200
-2,494,200
| -47% | -$69M |
|
1096
Brown-Forman Class B
BF.B
$12.9B
| $68.2M | 0.01% |
2,579,542
+2,226,861
| +631% | +$59.8M |
|
1097
Quest Diagnostics
DGX
$26.1B
| $68M | 0.01% |
347,218
-78,018
| -18% | -$15.2M |
|
1098
PUT
Centrus Energy
LEU
$3.83B
| $67.9M | 0.01% |
391,300
-41,400
| -10% | -$9.98M |
|
1099
Intuitive Machines
LUNR
$2.82B
| $67.7M | 0.01% |
3,646,139
+3,610,261
| +10,063% | +$66.5M |
|
1100
PUT
Applied Digital
APLD
$8.81B
| $67.6M | 0.01% |
2,849,000
-1,722,800
| -38% | -$53.9M |
|
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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.