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 | |
|---|---|---|---|---|---|---|
1776
PUT
FTAI Aviation
FTAI
$22.2B
| $31.8M | 0.01% |
129,900
+55,000
| +73% | +$14.6M |
|
1777
PUT
NIO
NIO
$11.3B
| $31.8M | 0.01% |
5,276,100
-4,006,400
| -43% | -$20.2M |
|
1778
PUT
Atlassian
TEAM
$41.5B
| $31.8M | 0.01% |
465,700
+183,200
| +65% | +$18.1M |
|
1779
CALL
iShares US Home Construction ETF
ITB
$2.36B
| $31.8M | 0.01% |
351,000
+139,600
| +66% | +$14.3M |
|
1780
Zai Lab
ZLAB
$2.94B
| $31.8M | 0.01% |
1,688,632
+786
| +0% | +$14.6K |
|
1781
CALL
The Mosaic Company
MOS
$6.98B
| $31.8M | 0.01% |
1,245,500
-169,000
| -12% | -$4.63M |
|
1782
CALL
State Street SPDR S&P Homebuilders ETF
XHB
$1.59B
| $31.7M | 0.01% |
321,400
-1,077,200
| -77% | -$118M |
|
1783
Modine Manufacturing
MOD
$11B
| $31.7M | 0.01% |
146,150
+29,217
| +25% | +$5.5M |
|
1784
PUT
Rio Tinto
RIO
$157B
| $31.7M | 0.01% |
339,500
-158,000
| -32% | -$14.4M |
|
1785
PUT
Energy Transfer Partners
ET
$72.1B
| $31.6M | 0.01% |
1,636,800
-1,693,200
| -51% | -$31M |
|
1786
Canadian Natural Resources
CNQ
$99.7B
| $31.6M | 0.01% |
648,152
-706,296
| -52% | -$29M |
|
1787
Equifax
EFX
$21.4B
| $31.5M | 0.01% |
175,055
+18,295
| +12% | +$3.63M |
|
1788
Kemper
KMPR
$1.59B
| $31.5M | 0.01% |
1,030,023
+252,763
| +33% | +$8.65M |
|
1789
Vanguard Intermediate-Term Corporate Bond ETF
VCIT
$67.8B
| $31.4M | 0.01% |
380,032
-241,050
| -39% | -$20.2M |
|
1790
CALL
Genuine Parts
GPC
$18.6B
| $31.4M | 0.01% |
297,200
+279,100
| +1,542% | +$34.5M |
|
1791
Metropolitan Bank Holding Corp
MCB
$1.17B
| $31.4M | 0.01% |
377,255
+294,851
| +358% | +$25.3M |
|
1792
Meritage Homes
MTH
$4.79B
| $31.4M | 0.01% |
507,594
-298,434
| -37% | -$21.1M |
|
1793
Archer Daniels Midland
ADM
$38.9B
| $31.4M | 0.01% |
431,696
+279,437
| +184% | +$18.9M |
|
1794
PUT
Enphase Energy
ENPH
$5.44B
| $31.3M | 0.01% |
828,200
-1,297,600
| -61% | -$53.9M |
|
1795
Capri Holdings
CPRI
$1.77B
| $31.3M | 0.01% |
1,776,544
-660,239
| -27% | -$14M |
|
|
GLXY
1796
PUT
Galaxy Digital Inc
GLXY
$4.14B
| $31.3M | 0.01% |
1,696,000
+559,200
| +49% | +$13.3M |
|
1797
PUT
Automatic Data Processing
ADP
$108B
| $31.3M | 0.01% |
154,000
-35,000
| -19% | -$8.03M |
|
1798
Dillards
DDS
$9.4B
| $31.2M | 0.01% |
54,593
+31,075
| +132% | +$19.4M |
|
1799
CALL
Cencora
COR
$58.8B
| $31.2M | 0.01% |
99,300
-194,700
| -66% | -$68M |
|
1800
Establishment Labs
ESTA
$2.35B
| $31.2M | 0.01% |
549,287
+349,700
| +175% | +$23.9M |
|
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.