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 | |
|---|---|---|---|---|---|---|
1276
Nu Holdings
NU
$67.3B
| $54.5M | 0.01% |
3,790,257
+3,079,296
| +433% | +$49.9M |
|
1277
Graphic Packaging
GPK
$3.51B
| $54.4M | 0.01% |
5,471,137
+4,489,000
| +457% | +$56.6M |
|
1278
Comcast
CMCSA
$92.9B
| $54.4M | 0.01% |
1,894,143
-2,836,565
| -60% | -$84.9M |
|
1279
CALL
Ares Management
ARES
$33.7B
| $54.3M | 0.01% |
497,300
+334,100
| +205% | +$44.3M |
|
1280
CALL
Monolithic Power Systems
MPWR
$67B
| $54.2M | 0.01% |
49,600
+5,100
| +11% | +$5.57M |
|
1281
Viatris
VTRS
$18.4B
| $53.9M | 0.01% |
3,993,155
-4,244,128
| -52% | -$59.4M |
|
1282
CALL
Direxion Daily Technology Bull 3x ETF
TECL
$6.47B
| $53.9M | 0.01% |
623,100
+26,900
| +5% | +$2.89M |
|
1283
Delek US
DK
$4.18B
| $53.8M | 0.01% |
1,193,790
+267,230
| +29% | +$9.55M |
|
1284
Freshpet
FRPT
$3.5B
| $53.7M | 0.01% |
910,418
+892,475
| +4,974% | +$62.7M |
|
1285
PUT
VanEck Oil Services ETF
OIH
$1.95B
| $53.6M | 0.01% |
132,500
+14,500
| +12% | +$5.31M |
|
1286
Rexford Industrial Realty
REXR
$8.12B
| $53.5M | 0.01% |
1,634,881
+1,199,981
| +276% | +$45M |
|
1287
KeyCorp
KEY
$24.6B
| $53.4M | 0.01% |
2,664,552
-2,569,024
| -49% | -$53.8M |
|
1288
PUT
Argan
AGX
$7.84B
| $53.4M | 0.01% |
98,000
+26,500
| +37% | +$10.8M |
|
1289
CALL
Prudential Financial
PRU
$43B
| $53.4M | 0.01% |
546,200
+191,000
| +54% | +$19.8M |
|
1290
Royal Caribbean
RCL
$82.9B
| $53.3M | 0.01% |
193,771
+27,360
| +16% | +$8.15M |
|
1291
PUT
Direxion Daily Gold Miners Index Bull 2X ETF
NUGT
$1.16B
| $53.3M | 0.01% |
283,100
+35,800
| +14% | +$8.32M |
|
1292
CALL
CRH
CRH
$65B
| $53.2M | 0.01% |
506,300
-29,700
| -6% | -$3.49M |
|
1293
CALL
Air Products & Chemicals
APD
$68B
| $53.2M | 0.01% |
183,000
-163,700
| -47% | -$45.1M |
|
1294
CALL
Energy Fuels
UUUU
$3.64B
| $53.1M | 0.01% |
2,910,000
-590,300
| -17% | -$12.2M |
|
1295
Applovin
APP
$105B
| $53M | 0.01% |
133,261
+50,416
| +61% | +$24.4M |
|
1296
Bank OZK
OZK
$5.7B
| $53M | 0.01% |
1,153,905
-112,759
| -9% | -$5.31M |
|
1297
PUT
Microchip Technology
MCHP
$42.2B
| $52.9M | 0.01% |
819,100
-215,200
| -21% | -$15.5M |
|
1298
PUT
Cheniere Energy
LNG
$55B
| $52.9M | 0.01% |
186,400
-56,100
| -23% | -$13M |
|
1299
APA Corp
APA
$14B
| $52.9M | 0.01% |
1,246,147
+787,970
| +172% | +$23.8M |
|
1300
CALL
Sherwin-Williams
SHW
$87.8B
| $52.9M | 0.01% |
164,900
+41,700
| +34% | +$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.