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 | |
|---|---|---|---|---|---|---|
1176
Otis Worldwide
OTIS
$27.8B
| $60.6M | 0.01% |
786,128
-81,829
| -9% | -$7.16M |
|
1177
PUT
Capital One
COF
$137B
| $60.6M | 0.01% |
332,033
-609,341
| -65% | -$127M |
|
1178
Adobe
ADBE
$108B
| $60.5M | 0.01% |
249,068
-361,365
| -59% | -$100M |
|
1179
Iris Energy
IREN
$16B
| $60.5M | 0.01% |
1,765,514
+925,482
| +110% | +$41.8M |
|
1180
PUT
Affirm
AFRM
$26.2B
| $60.5M | 0.01% |
1,319,800
-363,300
| -22% | -$21M |
|
|
HUT
1181
PUT
Hut 8
HUT
$10.2B
| $60.3M | 0.01% |
1,286,100
-721,160
| -36% | -$39M |
|
1182
Clear Secure
YOU
$4.7B
| $60.3M | 0.01% |
1,245,918
+1,204,689
| +2,922% | +$48M |
|
1183
Leidos
LDOS
$17.9B
| $60M | 0.01% |
385,482
+220,057
| +133% | +$39.5M |
|
|
FIG
1184
Figma
FIG
$14B
| $59.9M | 0.01% |
2,832,743
+797,148
| +39% | +$21.9M |
|
1185
CALL
Upstart Holdings
UPST
$3.01B
| $59.8M | 0.01% |
2,332,500
+869,600
| +59% | +$30.6M |
|
1186
CALL
ON Semiconductor
ON
$31.8B
| $59.8M | 0.01% |
965,400
-573,400
| -37% | -$36M |
|
1187
Agree Realty
ADC
$9.34B
| $59.6M | 0.01% |
791,151
-200,527
| -20% | -$15.2M |
|
1188
PUT
Teradyne
TER
$64.2B
| $59.5M | 0.01% |
200,800
-236,900
| -54% | -$66.1M |
|
1189
CubeSmart
CUBE
$9.4B
| $59.2M | 0.01% |
1,616,470
-3,592,787
| -69% | -$138M |
|
1190
Zoetis
ZTS
$31.3B
| $59.2M | 0.01% |
501,011
+199,806
| +66% | +$24.7M |
|
1191
PUT
EOG Resources
EOG
$74.2B
| $59.2M | 0.01% |
409,400
-335,300
| -45% | -$40.7M |
|
1192
Franco-Nevada
FNV
$44.7B
| $59.1M | 0.01% |
239,221
+238,009
| +19,638% | +$58.9M |
|
1193
CALL
HSBC
HSBC
$358B
| $59M | 0.01% |
715,700
-115,600
| -14% | -$9.79M |
|
1194
CALL
Celsius Holdings
CELH
$7.28B
| $59M | 0.01% |
1,663,500
-972,500
| -37% | -$46.1M |
|
1195
CALL
Interactive Brokers
IBKR
$41.4B
| $59M | 0.01% |
879,700
-97,500
| -10% | -$6.96M |
|
|
ECHO
1196
EchoStar
ECHO
$26.6B
| $59M | 0.01% |
503,731
-199,680
| -28% | -$22.9M |
|
1197
CALL
Vanguard Morningstar Growth ETF
VUG
$231B
| $58.9M | 0.01% |
808,800
-103,800
| -11% | -$8.07M |
|
1198
PepsiCo
PEP
$192B
| $58.9M | 0.01% |
379,118
-1,316,497
| -78% | -$205M |
|
1199
CALL
Madrigal Pharmaceuticals
MDGL
$11.7B
| $58.8M | 0.01% |
112,400
+7,500
| +7% | +$3.58M |
|
1200
PUT
Prudential Financial
PRU
$43B
| $58.8M | 0.01% |
602,100
-71,400
| -11% | -$7.39M |
|
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.