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 | |
|---|---|---|---|---|---|---|
6301
American Century Multisector Floating Income ETF
FUSI
$22.7M
| $1.76M | ﹤0.01% |
35,025
+522
| +2% | +$26.3K |
|
|
OKLL
6302
CALL
Defiance Daily Target 2x Long OKLO ETF
OKLL
$175M
| $1.76M | ﹤0.01% |
291,600
+245,700
| +535% | +$3.83M |
|
6303
Iridium Communications
IRDM
$5.23B
| $1.76M | ﹤0.01% |
63,573
-1,076,642
| -94% | -$24.2M |
|
6304
CALL
Varonis Systems
VRNS
$4.84B
| $1.76M | ﹤0.01% |
82,100
-55,000
| -40% | -$1.49M |
|
6305
Invesco Next Gen Media and Gaming ETF
GGME
$46.1M
| $1.76M | ﹤0.01% |
+34,515
| New | +$1.87M |
|
6306
CALL
iShares US Transportation ETF
IYT
$2.27B
| $1.76M | ﹤0.01% |
23,600
+13,600
| +136% | +$1.06M |
|
6307
PUT
Regions Financial
RF
$26.9B
| $1.76M | ﹤0.01% |
67,400
-11,100
| -14% | -$310K |
|
6308
PUT
Jack in the Box
JACK
$341M
| $1.76M | ﹤0.01% |
182,000
+134,800
| +286% | +$2.38M |
|
6309
Genco Shipping & Trading
GNK
$1.08B
| $1.76M | ﹤0.01% |
78,019
-229,912
| -75% | -$4.92M |
|
6310
CALL
Adecoagro
AGRO
$1.36B
| $1.76M | ﹤0.01% |
117,100
+94,500
| +418% | +$933K |
|
6311
Brookfield Renewable
BEP
$10.3B
| $1.76M | ﹤0.01% |
53,847
-377,042
| -88% | -$11.4M |
|
6312
CALL
Graphic Packaging
GPK
$3.54B
| $1.76M | ﹤0.01% |
176,700
+20,300
| +13% | +$256K |
|
6313
Bank of N.T. Butterfield & Son
NTB
$2.49B
| $1.76M | ﹤0.01% |
33,456
-110,631
| -77% | -$5.68M |
|
6314
CALL
Alcon
ALC
$36.4B
| $1.76M | ﹤0.01% |
23,300
+8,300
| +55% | +$662K |
|
6315
PUT
Invesco CurrencyShares Swiss Franc Trust
FXF
$397M
| $1.76M | ﹤0.01% |
15,900
-9,400
| -37% | -$1.06M |
|
6316
Critical Metals Corp
CRML
$994M
| $1.76M | ﹤0.01% |
+221,033
| New | +$2.55M |
|
|
SPYQ
6317
PUT
Tradr 2X Long SPY Quarterly ETF
SPYQ
$14.2M
| $1.75M | ﹤0.01% |
12,100
| – | – |
|
6318
PUT
Teledyne Technologies
TDY
$31.6B
| $1.75M | ﹤0.01% |
2,900
+900
| +45% | +$562K |
|
6319
NEOS Enhanced Income 1-3 Month T-Bill ETF
CSHI
$1.58B
| $1.75M | ﹤0.01% |
35,235
+28,170
| +399% | +$1.4M |
|
6320
Immunome
IMNM
$2.97B
| $1.75M | ﹤0.01% |
80,197
-1,660,508
| -95% | -$37M |
|
6321
Franklin US Large Cap Multifactor Index ETF
FLQL
$2.1B
| $1.75M | ﹤0.01% |
25,929
-5,088
| -16% | -$357K |
|
6322
Relay Therapeutics
RLAY
$4.38B
| $1.75M | ﹤0.01% |
176,265
+62,122
| +54% | +$556K |
|
6323
PUT
iShares S&P 500 Value ETF
IVE
$50B
| $1.75M | ﹤0.01% |
8,300
+2,900
| +54% | +$628K |
|
6324
PUT
MoonLake Immunotherapeutics
MLTX
$1.41B
| $1.75M | ﹤0.01% |
94,000
-327,600
| -78% | -$5.43M |
|
|
SUPV
6325
Grupo Supervielle
SUPV
$733M
| $1.75M | ﹤0.01% |
185,786
+153,144
| +469% | +$1.57M |
|
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.