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 | |
|---|---|---|---|---|---|---|
1251
PUT
Five Below
FIVE
$13.4B
| $56M | 0.01% |
244,900
+13,900
| +6% | +$2.91M |
|
1252
PUT
Hawaiian Electric Industries
HE
$2.04B
| $55.9M | 0.01% |
3,769,800
+2,896,900
| +332% | +$43.8M |
|
1253
Credo Technology Group
CRDO
$49.6B
| $55.9M | 0.01% |
595,581
-307,418
| -34% | -$37.4M |
|
|
PSKY
1254
Paramount Skydance Corp
PSKY
$11.2B
| $55.8M | 0.01% |
6,184,151
+4,699,735
| +317% | +$51.4M |
|
1255
KLA
KLAC
$274B
| $55.8M | 0.01% |
378,830
-1,237,640
| -77% | -$181M |
|
1256
Xcel Energy
XEL
$49.3B
| $55.7M | 0.01% |
700,860
+313,831
| +81% | +$24.6M |
|
1257
Sysco
SYY
$40B
| $55.5M | 0.01% |
778,771
-138,496
| -15% | -$11.4M |
|
1258
PUT
GE HealthCare
GEHC
$33.3B
| $55.5M | 0.01% |
780,000
+454,500
| +140% | +$35.8M |
|
1259
C.H. Robinson
CHRW
$17.5B
| $55.5M | 0.01% |
333,977
-24,753
| -7% | -$4.43M |
|
1260
CALL
FirstEnergy
FE
$27.1B
| $55.4M | 0.01% |
1,094,200
+474,100
| +76% | +$23M |
|
1261
Outfront Media
OUT
$5.24B
| $55.3M | 0.01% |
2,088,379
-1,887,819
| -47% | -$49.2M |
|
1262
Box
BOX
$4.66B
| $55.3M | 0.01% |
2,337,851
+2,078,165
| +800% | +$52.3M |
|
1263
PUT
Akamai
AKAM
$18B
| $55.2M | 0.01% |
480,600
+374,800
| +354% | +$37.6M |
|
1264
PUT
General Mills
GIS
$20.8B
| $55.1M | 0.01% |
1,479,600
+462,300
| +45% | +$20.1M |
|
1265
Alcoa
AA
$13.1B
| $55M | 0.01% |
829,352
-1,157,086
| -58% | -$71M |
|
1266
CALL
Etsy
ETSY
$7.4B
| $55M | 0.01% |
1,100,400
-825,600
| -43% | -$45.1M |
|
1267
CALL
Biogen
BIIB
$31.1B
| $55M | 0.01% |
299,900
-107,100
| -26% | -$19.7M |
|
1268
CALL
Verisk Analytics
VRSK
$24.2B
| $54.9M | 0.01% |
289,500
+265,400
| +1,101% | +$53.9M |
|
1269
CALL
NIO
NIO
$11.3B
| $54.9M | 0.01% |
9,098,300
-1,900,100
| -17% | -$9.59M |
|
1270
Molson Coors Class B
TAP
$7.85B
| $54.8M | 0.01% |
1,272,886
-10,583
| -0.8% | -$503K |
|
|
CHYM
1271
Chime Financial
CHYM
$12.2B
| $54.7M | 0.01% |
2,922,534
-3,709,869
| -56% | -$84.1M |
|
1272
CALL
iShares US Aerospace & Defense ETF
ITA
$14.9B
| $54.7M | 0.01% |
250,000
+202,600
| +427% | +$47.4M |
|
1273
State Street SPDR S&P Homebuilders ETF
XHB
$1.6B
| $54.6M | 0.01% |
552,918
+131,044
| +31% | +$14.4M |
|
1274
Independence Realty Trust
IRT
$4.01B
| $54.6M | 0.01% |
3,663,773
-1,453,632
| -28% | -$23.9M |
|
1275
Ciena
CIEN
$62.7B
| $54.5M | 0.01% |
140,435
-579,312
| -80% | -$177M |
|
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.