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 | |
|---|---|---|---|---|---|---|
926
BioNTech
BNTX
$23.1B
| $84.6M | 0.01% |
951,372
+273,197
| +40% | +$28.1M |
|
927
PUT
EQT Corp
EQT
$33.8B
| $84.1M | 0.01% |
1,322,200
-819,875
| -38% | -$48M |
|
928
Fortinet
FTNT
$121B
| $84M | 0.01% |
1,027,480
-73,933
| -7% | -$5.97M |
|
929
AB InBev
BUD
$158B
| $83.8M | 0.01% |
1,208,118
-62,001
| -5% | -$4.48M |
|
930
PUT
Hecla Mining
HL
$11.9B
| $83.8M | 0.01% |
4,498,100
+3,383,500
| +304% | +$76.1M |
|
931
PUT
Gilead Sciences
GILD
$171B
| $83.7M | 0.01% |
600,300
-438,900
| -42% | -$61.5M |
|
932
Westlake Corp
WLK
$10.2B
| $83.6M | 0.01% |
715,586
+512,283
| +252% | +$49.7M |
|
933
RPM International
RPM
$14.5B
| $83.4M | 0.01% |
839,494
-9,952
| -1% | -$1.08M |
|
934
Kirby Corp
KEX
$7.26B
| $83.1M | 0.01% |
625,614
+114,731
| +22% | +$14.5M |
|
935
Chubb
CB
$133B
| $83.1M | 0.01% |
254,981
+20,257
| +9% | +$6.5M |
|
936
PTC
PTC
$16.7B
| $83.1M | 0.01% |
583,088
+556,397
| +2,085% | +$87.9M |
|
937
CALL
CAVA Group
CAVA
$8.43B
| $83.1M | 0.01% |
1,026,900
-879,000
| -46% | -$64.1M |
|
938
PUT
Elbit Systems
ESLT
$36.5B
| $83M | 0.01% |
97,800
+73,700
| +306% | +$56.8M |
|
|
CRCL
939
Circle Internet Group
CRCL
$19.1B
| $82.8M | 0.01% |
867,811
-507,474
| -37% | -$43M |
|
940
Kinetik
KNTK
$4.16B
| $82.6M | 0.01% |
1,706,734
+121,442
| +8% | +$5.17M |
|
|
HOLX
941
DELISTED
Hologic
HOLX
| $82.4M | 0.01% |
1,090,660
+452,018
| +71% | +$34M |
|
|
942
PUT
Fortinet
FTNT
$121B
| $82.4M | 0.01% |
1,008,300
-36,200
| -3% | -$2.92M |
|
943
Tradeweb Markets
TW
$22.3B
| $82.4M | 0.01% |
699,945
+673,277
| +2,525% | +$77.1M |
|
944
CALL
ProShares Ultra Silver
AGQ
$1.41B
| $81.9M | 0.01% |
685,700
-324,400
| -32% | -$58.3M |
|
945
PUT
RH
RH
$3.4B
| $81.9M | 0.01% |
586,000
-61,300
| -9% | -$11.2M |
|
946
Nutrien
NTR
$32.2B
| $81.9M | 0.01% |
1,085,147
+915,165
| +538% | +$65.3M |
|
|
947
CALL
Fortinet
FTNT
$121B
| $81.6M | 0.01% |
998,800
-304,700
| -23% | -$24.6M |
|
948
Public Service Enterprise Group
PEG
$37.8B
| $81.5M | 0.01% |
1,007,401
-732,222
| -42% | -$60M |
|
|
VG
949
Venture Global Inc
VG
$33.9B
| $81.5M | 0.01% |
5,170,665
+3,814,415
| +281% | +$40.9M |
|
|
950
PUT
ProShares Ultra Silver
AGQ
$1.41B
| $81.3M | 0.01% |
679,900
+322,800
| +90% | +$58M |
|
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.