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 | |
|---|---|---|---|---|---|---|
876
CALL
Invesco S&P 500 Equal Weight ETF
RSP
$100B
| $91.4M | 0.01% |
476,100
-1,861,600
| -80% | -$369M |
|
877
CALL
Huntington Ingalls Industries
HII
$12.8B
| $90.9M | 0.01% |
239,400
+185,800
| +347% | +$76.6M |
|
878
HDFC Bank
HDB
$119B
| $90.7M | 0.01% |
3,646,088
+2,388,091
| +190% | +$74.2M |
|
879
Bristol-Myers Squibb
BMY
$132B
| $90.6M | 0.01% |
1,494,234
+471,773
| +46% | +$27.5M |
|
880
PUT
Zscaler
ZS
$30.4B
| $90.5M | 0.01% |
645,100
-58,300
| -8% | -$10.3M |
|
881
Campbell Soup
CPB
$6.94B
| $90.4M | 0.01% |
4,060,651
+2,479,519
| +157% | +$63.7M |
|
882
CALL
Take-Two Interactive
TTWO
$45.2B
| $90.3M | 0.01% |
457,400
+203,800
| +80% | +$44.3M |
|
883
PUT
Fair Isaac
FICO
$24B
| $90.2M | 0.01% |
84,500
+45,400
| +116% | +$62.3M |
|
884
CALL
CME Group
CME
$96.1B
| $90.2M | 0.01% |
305,400
-3,100
| -1% | -$921K |
|
885
Philip Morris
PM
$294B
| $90.1M | 0.01% |
545,207
+188,883
| +53% | +$32.8M |
|
886
CALL
TotalEnergies
TTE
$193B
| $90.1M | 0.01% |
989,800
+152,000
| +18% | +$11.6M |
|
887
MasTec
MTZ
$23B
| $90M | 0.01% |
279,778
+258,511
| +1,216% | +$70M |
|
888
GlobalFoundries
GFS
$28.9B
| $90M | 0.01% |
2,022,957
+224,938
| +13% | +$9.92M |
|
889
PUT
Best Buy
BBY
$18B
| $89.9M | 0.01% |
1,400,900
+513,700
| +58% | +$33.7M |
|
890
CALL
BHP
BHP
$222B
| $89.8M | 0.01% |
1,235,100
+978,500
| +381% | +$69.1M |
|
891
lululemon athletica
LULU
$13.6B
| $89.5M | 0.01% |
584,578
-75,688
| -11% | -$13.6M |
|
892
IBM
IBM
$223B
| $89M | 0.01% |
367,164
+113,359
| +45% | +$30.7M |
|
893
Boot Barn
BOOT
$4.92B
| $89M | 0.01% |
+607,951
| New | +$110M |
|
894
Progressive
PGR
$121B
| $88.9M | 0.01% |
448,691
-243,716
| -35% | -$50.3M |
|
895
Cigna
CI
$73.5B
| $88.8M | 0.01% |
333,018
-86,270
| -21% | -$23.9M |
|
896
F5
FFIV
$23.6B
| $88.8M | 0.01% |
306,985
-129,583
| -30% | -$35.9M |
|
897
PUT
Credo Technology Group
CRDO
$49.6B
| $88.7M | 0.01% |
945,200
+364,100
| +63% | +$44.3M |
|
898
Shake Shack
SHAK
$2.98B
| $88.6M | 0.01% |
1,001,715
+78,502
| +9% | +$7.22M |
|
899
Everest Group
EG
$14B
| $88.6M | 0.01% |
271,073
+120,826
| +80% | +$39.8M |
|
900
Walt Disney
DIS
$181B
| $88.3M | 0.01% |
916,572
+472,017
| +106% | +$49.9M |
|
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.