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 | |
|---|---|---|---|---|---|---|
676
PUT
PepsiCo
PEP
$191B
| $124M | 0.02% |
800,700
-2,119,500
| -73% | -$330M |
|
677
CALL
ARK Innovation ETF
ARKK
$6.46B
| $124M | 0.02% |
1,837,100
-913,000
| -33% | -$67.7M |
|
678
CALL
Live Nation Entertainment
LYV
$43.2B
| $124M | 0.02% |
813,700
+25,800
| +3% | +$3.91M |
|
679
PUT
GameStop
GME
$8.35B
| $124M | 0.02% |
5,378,700
-147,300
| -3% | -$3.42M |
|
680
CALL
Cipher Digital
CIFR
$7.01B
| $124M | 0.02% |
9,625,600
-821,000
| -8% | -$13M |
|
681
PUT
iShares Semiconductor ETF
SOXX
$47.3B
| $124M | 0.02% |
376,100
-76,800
| -17% | -$26.2M |
|
682
Rhythm Pharmaceuticals
RYTM
$8.12B
| $123M | 0.02% |
1,418,619
+1,265,297
| +825% | +$123M |
|
683
NextEra Energy
NEE
$179B
| $123M | 0.02% |
1,327,731
-171,252
| -11% | -$15.2M |
|
684
PUT
VanEck Junior Gold Miners ETF
GDXJ
$8.26B
| $123M | 0.02% |
1,024,000
+475,700
| +87% | +$62.1M |
|
685
Sempra
SRE
$56.5B
| $123M | 0.02% |
1,264,633
+395,879
| +46% | +$36.2M |
|
686
PUT
AutoZone
AZO
$49.7B
| $123M | 0.02% |
36,300
-12,000
| -25% | -$43.1M |
|
687
HCA Healthcare
HCA
$88B
| $122M | 0.02% |
258,709
-82,751
| -24% | -$41.7M |
|
688
CALL
Zscaler
ZS
$29.1B
| $122M | 0.02% |
872,400
+188,400
| +28% | +$33.4M |
|
689
American Express
AXP
$231B
| $122M | 0.02% |
403,396
+77,826
| +24% | +$26.1M |
|
690
JB Hunt Transport Services
JBHT
$26.4B
| $122M | 0.02% |
575,750
-719,231
| -56% | -$153M |
|
691
Carnival Corporation Ltd
CCL
$38.7B
| $121M | 0.02% |
4,692,458
-3,710,561
| -44% | -$108M |
|
692
Roku
ROKU
$22.7B
| $121M | 0.02% |
1,280,965
+684,038
| +115% | +$66.6M |
|
693
LyondellBasell Industries
LYB
$20.2B
| $121M | 0.02% |
1,504,143
+912,833
| +154% | +$54.1M |
|
694
CALL
Applied Digital
APLD
$8.98B
| $121M | 0.02% |
5,097,700
-1,250,400
| -20% | -$39.1M |
|
695
CALL
Apollo Global Management
APO
$82.8B
| $121M | 0.02% |
1,083,700
-353,600
| -25% | -$43.8M |
|
696
CBRE Group
CBRE
$43.1B
| $121M | 0.02% |
890,157
+713,168
| +403% | +$108M |
|
697
Illinois Tool Works
ITW
$82.2B
| $121M | 0.02% |
463,222
-52,619
| -10% | -$14.3M |
|
698
UMB Financial
UMBF
$11.4B
| $121M | 0.02% |
1,068,582
-172,583
| -14% | -$20.8M |
|
699
CALL
State Street Utilities Select Sector SPDR ETF
XLU
$22.8B
| $120M | 0.02% |
2,622,800
-208,500
| -7% | -$9.35M |
|
700
CALL
Halliburton
HAL
$27.5B
| $120M | 0.02% |
3,079,900
+1,058,300
| +52% | +$36.6M |
|
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.