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 | |
|---|---|---|---|---|---|---|
|
KDK
3701
CALL
Kodiak AI
KDK
$841M
| $7.29M | ﹤0.01% |
1,049,800
+65,800
| +7% | +$576K |
|
3702
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.61B
| $7.28M | ﹤0.01% |
222,971
-235,182
| -51% | -$7.88M |
|
3703
CALL
BioMarin Pharmaceuticals
BMRN
$13B
| $7.28M | ﹤0.01% |
128,800
-80,200
| -38% | -$4.68M |
|
3704
CALL
Crescent Energy
CRGY
$4.05B
| $7.27M | ﹤0.01% |
538,840
-154,530
| -22% | -$1.62M |
|
3705
Dole
DOLE
$1.23B
| $7.27M | ﹤0.01% |
508,980
+331,290
| +186% | +$5.02M |
|
3706
MGP Ingredients
MGPI
$379M
| $7.27M | ﹤0.01% |
395,478
+236,236
| +148% | +$5.27M |
|
|
EMEQ
3707
Nomura Focused Emerging Markets Equity ETF
EMEQ
$631M
| $7.27M | ﹤0.01% |
161,220
+155,640
| +2,789% | +$7.27M |
|
3708
PUT
Carlyle Group
CG
$17.2B
| $7.27M | ﹤0.01% |
150,200
-40,200
| -21% | -$2.22M |
|
3709
CALL
Medifast
MED
$130M
| $7.26M | ﹤0.01% |
712,800
+182,000
| +34% | +$1.96M |
|
|
JPXN
3710
iShares JPX-Nikkei 400 ETF
JPXN
$142M
| $7.26M | ﹤0.01% |
+79,452
| New | +$7.4M |
|
3711
NetApp
NTAP
$40.3B
| $7.26M | ﹤0.01% |
70,907
-85,708
| -55% | -$8.7M |
|
3712
CALL
OneMain Financial
OMF
$7.46B
| $7.25M | ﹤0.01% |
135,600
-157,400
| -54% | -$9.34M |
|
3713
Silicon Motion
SIMO
$9.26B
| $7.25M | ﹤0.01% |
64,590
-68,466
| -51% | -$8.31M |
|
3714
Middleby
MIDD
$5.21B
| $7.25M | ﹤0.01% |
54,696
+41,122
| +303% | +$6.23M |
|
3715
PUT
ResMed
RMD
$31.9B
| $7.25M | ﹤0.01% |
32,300
-42,300
| -57% | -$10.5M |
|
3716
Natural Gas Services Group
NGS
$485M
| $7.25M | ﹤0.01% |
192,039
+107,396
| +127% | +$3.93M |
|
3717
Applied Digital
APLD
$8.86B
| $7.25M | ﹤0.01% |
305,249
+288,979
| +1,776% | +$9.05M |
|
|
PPTA
3718
Perpetua Resources
PPTA
$3.1B
| $7.24M | ﹤0.01% |
257,499
+117,819
| +84% | +$3.56M |
|
3719
TETRA Technologies
TTI
$1.27B
| $7.24M | ﹤0.01% |
849,841
+630,454
| +287% | +$6.32M |
|
3720
Entegris
ENTG
$25.2B
| $7.24M | ﹤0.01% |
+61,728
| New | +$7.3M |
|
3721
PUT
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$55.6B
| $7.23M | ﹤0.01% |
73,800
-1,400
| -2% | -$146K |
|
3722
PUT
NexGen Energy
NXE
$7.43B
| $7.21M | ﹤0.01% |
621,800
-716,700
| -54% | -$8.55M |
|
3723
CALL
Reliance Steel & Aluminium
RS
$21.7B
| $7.2M | ﹤0.01% |
23,700
+8,200
| +53% | +$2.6M |
|
3724
PUT
nLIGHT
LASR
$3.1B
| $7.2M | ﹤0.01% |
126,300
+111,500
| +753% | +$6.04M |
|
|
CHYM
3725
CALL
Chime Financial
CHYM
$12B
| $7.2M | ﹤0.01% |
384,200
+58,200
| +18% | +$1.32M |
|
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.