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 | |
|---|---|---|---|---|---|---|
826
PUT
AngloGold Ashanti
AU
$48B
| $96.5M | 0.02% |
991,600
-750,900
| -43% | -$77M |
|
827
CALL
Southern Company
SO
$107B
| $96.3M | 0.02% |
998,100
+290,600
| +41% | +$26.9M |
|
828
PUT
KKR & Co
KKR
$104B
| $96.3M | 0.02% |
1,040,900
+391,400
| +60% | +$41.3M |
|
829
PUT
Dow Inc
DOW
$21.9B
| $95.9M | 0.02% |
2,302,000
-368,000
| -14% | -$11.7M |
|
830
Helmerich & Payne
HP
$4.29B
| $95.8M | 0.02% |
2,658,609
+792,528
| +42% | +$27M |
|
831
Phillips 66
PSX
$92.5B
| $95.5M | 0.02% |
523,970
-749,074
| -59% | -$117M |
|
832
Saia
SAIA
$10.2B
| $95.4M | 0.02% |
271,520
+171,644
| +172% | +$62.6M |
|
833
CALL
Akamai
AKAM
$17.9B
| $95.3M | 0.02% |
829,900
+223,500
| +37% | +$22.4M |
|
834
PUT
Comcast
CMCSA
$92.8B
| $95.2M | 0.02% |
3,317,600
+512,900
| +18% | +$15.3M |
|
835
Qualcomm
QCOM
$173B
| $95.2M | 0.02% |
739,538
+386,994
| +110% | +$56.5M |
|
836
Option Care Health
OPCH
$3.61B
| $95.2M | 0.02% |
3,537,458
+1,863,912
| +111% | +$60.5M |
|
|
837
CALL
Phillips 66
PSX
$92.5B
| $95.1M | 0.02% |
521,800
-22,500
| -4% | -$3.53M |
|
838
PUT
Lowe's Companies
LOW
$122B
| $94.8M | 0.02% |
401,300
-103,400
| -20% | -$27M |
|
839
PUT
Wheaton Precious Metals
WPM
$59.8B
| $94.8M | 0.02% |
723,400
+39,100
| +6% | +$5.44M |
|
840
Alignment Healthcare
ALHC
$2.8B
| $94.5M | 0.02% |
5,362,666
+1,021,800
| +24% | +$20.5M |
|
841
PUT
Workday
WDAY
$50.6B
| $94.3M | 0.02% |
725,900
+445,300
| +159% | +$70.7M |
|
842
PUT
Direxion Daily S&P 500 Bull 3x ETF
SPXL
$7.41B
| $94.3M | 0.02% |
509,900
-138,800
| -21% | -$29.9M |
|
|
843
PUT
iShares Core S&P 500 ETF
IVV
$910B
| $94.3M | 0.02% |
144,300
-120,900
| -46% | -$82.6M |
|
844
Hewlett Packard
HPE
$79.1B
| $94.2M | 0.02% |
3,957,497
-10,490,825
| -73% | -$232M |
|
845
CALL
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.58B
| $94.1M | 0.02% |
2,882,500
+2,320,900
| +413% | +$77.8M |
|
846
PUT
Pan American Silver
PAAS
$19.9B
| $94M | 0.02% |
1,721,300
+235,844
| +16% | +$13.6M |
|
847
CALL
Duolingo
DUOL
$6.85B
| $94M | 0.02% |
953,900
+330,800
| +53% | +$40.8M |
|
848
PUT
Celestica
CLS
$44B
| $93.8M | 0.02% |
333,000
-331,600
| -50% | -$96.2M |
|
849
Omnicom Group
OMC
$24.2B
| $93.8M | 0.02% |
1,245,356
-2,992,645
| -71% | -$232M |
|
850
StepStone Group
STEP
$4.24B
| $93.8M | 0.02% |
1,964,827
+365,669
| +23% | +$21.1M |
|
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.