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 | |
|---|---|---|---|---|---|---|
1826
Synchrony
SYF
$26.3B
| $30.5M | ﹤0.01% |
448,767
+360,610
| +409% | +$26.2M |
|
1827
PUT
Lyft
LYFT
$6.54B
| $30.5M | ﹤0.01% |
2,294,900
-1,412,800
| -38% | -$21.9M |
|
1828
PUT
Valaris
VAL
$6.1B
| $30.5M | ﹤0.01% |
311,200
-258,100
| -45% | -$20.1M |
|
1829
Alamos Gold
AGI
$14B
| $30.5M | ﹤0.01% |
686,400
+592,021
| +627% | +$26.1M |
|
1830
PUT
Vertex Pharmaceuticals
VRTX
$128B
| $30.4M | ﹤0.01% |
68,100
-46,400
| -41% | -$21.6M |
|
1831
iShares 3-7 Year Treasury Bond ETF
IEI
$17.7B
| $30.4M | ﹤0.01% |
+256,392
| New | +$30.6M |
|
1832
CALL
argenx
ARGX
$52.7B
| $30.4M | ﹤0.01% |
41,600
+17,500
| +73% | +$13.7M |
|
1833
Highwoods Properties
HIW
$3.51B
| $30.3M | ﹤0.01% |
1,415,378
-748,824
| -35% | -$18M |
|
1834
Eos Energy Enterprises
EOSE
$1.47B
| $30.3M | ﹤0.01% |
6,100,772
+3,638,784
| +148% | +$39.1M |
|
|
PPLT
1835
PUT
abrdn Physical Platinum Shares ETF
PPLT
$2.03B
| $30.2M | ﹤0.01% |
1,694,000
-1,003,000
| -37% | -$20.1M |
|
1836
CALL
Viking Therapeutics
VKTX
$3.83B
| $30.1M | ﹤0.01% |
924,600
-511,000
| -36% | -$16.4M |
|
1837
PUT
Emcor
EME
$37.4B
| $30M | ﹤0.01% |
40,700
-600
| -1% | -$437K |
|
1838
CALL
DigitalOcean
DOCN
$15.2B
| $30M | ﹤0.01% |
350,100
+63,900
| +22% | +$4.03M |
|
1839
APi Group
APG
$18.8B
| $30M | ﹤0.01% |
740,802
+357,213
| +93% | +$15.1M |
|
1840
CALL
Darden Restaurants
DRI
$25.4B
| $30M | ﹤0.01% |
152,800
+93,600
| +158% | +$19.2M |
|
1841
The GEO Group
GEO
$4.04B
| $29.9M | ﹤0.01% |
1,777,760
+387,020
| +28% | +$6.15M |
|
|
SARO
1842
StandardAero Inc
SARO
$9.16B
| $29.9M | ﹤0.01% |
1,156,920
+1,006,425
| +669% | +$30M |
|
1843
Fortune Brands Innovations
FBIN
$5.73B
| $29.9M | ﹤0.01% |
766,499
+23,205
| +3% | +$1.21M |
|
1844
CALL
Carrier Global
CARR
$51.7B
| $29.9M | ﹤0.01% |
530,400
+305,000
| +135% | +$18.1M |
|
1845
Stewart Information Services
STC
$2.08B
| $29.9M | ﹤0.01% |
484,841
+161,497
| +50% | +$10.8M |
|
|
PPL
1846
CALL
PPL Corp
PPL
$26.9B
| $29.8M | ﹤0.01% |
780,000
+635,800
| +441% | +$23.5M |
|
1847
PUT
Unilever
UL
$134B
| $29.8M | ﹤0.01% |
522,932
+140,480
| +37% | +$9.42M |
|
1848
PUT
W.W. Grainger
GWW
$62.2B
| $29.8M | ﹤0.01% |
27,300
-3,800
| -12% | -$4.15M |
|
1849
PUT
StoneCo
STNE
$2.34B
| $29.8M | ﹤0.01% |
+2,108,400
| New | +$32.4M |
|
1850
PUT
Vail Resorts
MTN
$5.21B
| $29.7M | ﹤0.01% |
231,800
+29,300
| +14% | +$4M |
|
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.