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 | |
|---|---|---|---|---|---|---|
3976
Enerpac Tool Group
EPAC
$1.89B
| $6.12M | ﹤0.01% |
167,854
+94,460
| +129% | +$3.74M |
|
3977
Watsco Inc
WSO
$12.8B
| $6.1M | ﹤0.01% |
16,777
-44,980
| -73% | -$17.4M |
|
3978
PUT
Deutsche Bank
DB
$71.6B
| $6.1M | ﹤0.01% |
204,900
-44,600
| -18% | -$1.57M |
|
3979
PUT
Invesco DB US Dollar Index Bullish Fund
UUP
$353M
| $6.1M | ﹤0.01% |
219,600
-39,000
| -15% | -$1.06M |
|
3980
Badger Meter
BMI
$3.74B
| $6.1M | ﹤0.01% |
40,038
+25,431
| +174% | +$3.99M |
|
3981
CALL
New Oriental
EDU
$8.43B
| $6.09M | ﹤0.01% |
107,600
+46,800
| +77% | +$2.67M |
|
3982
Methanex
MEOH
$4.42B
| $6.08M | ﹤0.01% |
+102,126
| New | +$5.14M |
|
3983
Wynn Resorts
WYNN
$10.6B
| $6.08M | ﹤0.01% |
59,861
+24,288
| +68% | +$2.66M |
|
3984
CALL
Commault Systems
CVLT
$5.96B
| $6.08M | ﹤0.01% |
78,000
+36,100
| +86% | +$3.42M |
|
3985
PUT
iShares Core S&P Small-Cap ETF
IJR
$113B
| $6.07M | ﹤0.01% |
48,800
-6,500
| -12% | -$826K |
|
3986
Invesco BulletShares 2030 Corporate Bond ETF
BSCU
$2.71B
| $6.07M | ﹤0.01% |
+362,811
| New | +$6.13M |
|
3987
C3.ai
AI
$1.5B
| $6.06M | ﹤0.01% |
720,219
-309,561
| -30% | -$3.32M |
|
3988
CALL
Frontline
FRO
$9.38B
| $6.06M | ﹤0.01% |
173,900
-28,600
| -14% | -$873K |
|
|
MULL
3989
GraniteShares 2x Long MU Daily ETF
MULL
$644M
| $6.06M | ﹤0.01% |
1,424,700
+1,108,700
| +351% | +$6.93M |
|
3990
Trinity Industries
TRN
$2.39B
| $6.05M | ﹤0.01% |
188,056
-100,333
| -35% | -$3.08M |
|
3991
Forte Biosciences
FBRX
$1.63B
| $6.04M | ﹤0.01% |
+233,369
| New | +$6.72M |
|
3992
Limbach Holdings
LMB
$531M
| $6.04M | ﹤0.01% |
77,407
+19,101
| +33% | +$1.61M |
|
3993
CALL
Huntsman Corp
HUN
$1.8B
| $6.03M | ﹤0.01% |
453,300
+45,900
| +11% | +$556K |
|
3994
CALL
The GEO Group
GEO
$4.1B
| $6.02M | ﹤0.01% |
357,900
-478,300
| -57% | -$7.6M |
|
3995
First Merchants
FRME
$2.73B
| $6.01M | ﹤0.01% |
155,213
+113,113
| +269% | +$4.42M |
|
3996
PUT
Vanguard Tax-Exempt Bond Index Fund
VTEB
$45.8B
| $6.01M | ﹤0.01% |
120,400
+32,600
| +37% | +$1.65M |
|
3997
Celsius Holdings
CELH
$7.55B
| $6.01M | ﹤0.01% |
169,252
-984,202
| -85% | -$46.7M |
|
|
LINE
3998
CALL
Lineage Inc
LINE
$9.27B
| $6M | ﹤0.01% |
183,100
+66,000
| +56% | +$2.44M |
|
3999
CALL
Defiance Quantum ETF
QTUM
$5.83B
| $6M | ﹤0.01% |
55,900
-9,400
| -14% | -$1.08M |
|
|
INFQ
4000
CALL
Infleqtion Inc
INFQ
$3.01B
| $6M | ﹤0.01% |
+611,400
| New | +$6.96M |
|
Similar funds
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.