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 | |
|---|---|---|---|---|---|---|
1676
PUT
Elevance Health
ELV
$86.6B
| $35.5M | 0.01% |
121,100
-116,200
| -49% | -$38.2M |
|
1677
CALL
Direxion Daily Gold Miners Index Bull 2X ETF
NUGT
$1.16B
| $35.4M | 0.01% |
188,100
-219,400
| -54% | -$51M |
|
1678
VanEck Oil Services ETF
OIH
$1.95B
| $35.4M | 0.01% |
87,493
+74,289
| +563% | +$27.2M |
|
1679
iShares US Home Construction ETF
ITB
$2.37B
| $35.3M | 0.01% |
390,023
+349,850
| +871% | +$35.8M |
|
1680
PUT
Kroger
KR
$35.1B
| $35.3M | 0.01% |
488,000
-708,600
| -59% | -$47.9M |
|
1681
CALL
T. Rowe Price
TROW
$23.7B
| $35.2M | 0.01% |
390,700
+55,200
| +16% | +$5.35M |
|
1682
CALL
Simon Property Group
SPG
$71.4B
| $35.2M | 0.01% |
188,700
+3,100
| +2% | +$591K |
|
1683
Range Resources
RRC
$9.39B
| $35.2M | 0.01% |
778,457
-2,299,789
| -75% | -$89.7M |
|
1684
CALL
Dutch Bros
BROS
$8.93B
| $35.2M | 0.01% |
693,900
+246,900
| +55% | +$13.5M |
|
1685
Zebra Technologies
ZBRA
$17.9B
| $35.1M | 0.01% |
168,102
+27,935
| +20% | +$6.56M |
|
1686
PUT
Marriott International
MAR
$92.5B
| $35.1M | 0.01% |
107,400
-121,900
| -53% | -$40.1M |
|
1687
CALL
Fastenal
FAST
$59.9B
| $35.1M | 0.01% |
757,000
-116,100
| -13% | -$5.21M |
|
|
1688
PUT
Dutch Bros
BROS
$8.93B
| $35.1M | 0.01% |
692,700
+77,200
| +13% | +$4.22M |
|
1689
Globe Life
GL
$13.8B
| $35.1M | 0.01% |
252,057
-341,940
| -58% | -$48.3M |
|
1690
Ashland
ASH
$3.36B
| $35M | 0.01% |
630,236
+447,317
| +245% | +$26.5M |
|
1691
SolarEdge
SEDG
$1.98B
| $35M | 0.01% |
686,406
+584,513
| +574% | +$22M |
|
1692
PUT
CAVA Group
CAVA
$8.43B
| $34.9M | 0.01% |
431,400
-787,700
| -65% | -$57.4M |
|
1693
CALL
American International
AIG
$39.8B
| $34.9M | 0.01% |
463,600
-348,200
| -43% | -$26.6M |
|
1694
Exelixis
EXEL
$12.5B
| $34.8M | 0.01% |
812,195
+326,318
| +67% | +$14M |
|
1695
CALL
Avis
CAR
$4.93B
| $34.8M | 0.01% |
238,300
-863,200
| -78% | -$98.4M |
|
1696
PUT
Rigetti Computing
RGTI
$6.21B
| $34.7M | 0.01% |
2,470,500
-3,010,700
| -55% | -$56.5M |
|
1697
CALL
ProShares Ultra QQQ
QLD
$14.4B
| $34.6M | 0.01% |
567,200
+132,600
| +31% | +$9.05M |
|
1698
CALL
CleanSpark
CLSK
$2.96B
| $34.4M | 0.01% |
4,046,800
-2,611,100
| -39% | -$27.9M |
|
1699
Diamondback Energy
FANG
$55.9B
| $34.4M | 0.01% |
174,093
-133,996
| -43% | -$22.8M |
|
1700
CALL
Targa Resources
TRGP
$57.2B
| $34.4M | 0.01% |
137,300
+15,300
| +13% | +$3.32M |
|
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.