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 | |
|---|---|---|---|---|---|---|
4001
PUT
Harrow
HROW
$1.48B
| $6M | ﹤0.01% |
170,100
-75,800
| -31% | -$3.33M |
|
4002
PUT
Sociedad Química y Minera de Chile
SQM
$21.5B
| $5.99M | ﹤0.01% |
74,000
+18,500
| +33% | +$1.41M |
|
|
HIVE
4003
HIVE Digital Technologies
HIVE
$840M
| $5.99M | ﹤0.01% |
3,150,337
-1,700,658
| -35% | -$4.2M |
|
4004
CALL
Direxion Daily Aerospace & Defense Bull 3X ETF
DFEN
$427M
| $5.98M | ﹤0.01% |
94,700
+56,500
| +148% | +$4.54M |
|
4005
Fomento Económico Mexicano
FMX
$40B
| $5.98M | ﹤0.01% |
53,803
+49,833
| +1,255% | +$5.36M |
|
4006
PUT
Vaxcyte
PCVX
$8.96B
| $5.97M | ﹤0.01% |
102,800
+57,900
| +129% | +$3.14M |
|
4007
Chunghwa Telecom
CHT
$33B
| $5.97M | ﹤0.01% |
141,344
+43,330
| +44% | +$1.84M |
|
4008
Avantis Emerging Markets Small Cap Equity ETF
AVEE
$124M
| $5.97M | ﹤0.01% |
+94,119
| New | +$6.14M |
|
4009
Essential Properties Realty Trust
EPRT
$6.73B
| $5.97M | ﹤0.01% |
196,550
+183,772
| +1,438% | +$5.82M |
|
4010
CALL
Xenon Pharmaceuticals
XENE
$6.03B
| $5.95M | ﹤0.01% |
102,400
+40,800
| +66% | +$1.88M |
|
4011
Sasol
SSL
$7.51B
| $5.95M | ﹤0.01% |
459,425
-45,915
| -9% | -$401K |
|
4012
PUT
United States Antimony
UAMY
$841M
| $5.95M | ﹤0.01% |
682,000
+88,900
| +15% | +$775K |
|
4013
Interface
TILE
$2.2B
| $5.95M | ﹤0.01% |
238,858
+180,049
| +306% | +$5.39M |
|
|
SGI
4014
CALL
Somnigroup International
SGI
$13.7B
| $5.95M | ﹤0.01% |
80,500
+24,000
| +42% | +$2.08M |
|
4015
iShares Gold Trust Micro
IAUM
$7B
| $5.94M | ﹤0.01% |
127,275
+20,848
| +20% | +$1.01M |
|
4016
PUT
Canadian Solar
CSIQ
$1B
| $5.94M | ﹤0.01% |
428,900
-96,500
| -18% | -$1.84M |
|
4017
Stevanato
STVN
$5.81B
| $5.94M | ﹤0.01% |
431,763
+365,200
| +549% | +$6.05M |
|
4018
PUT
ProShares Short QQQ
PSQ
$606M
| $5.94M | ﹤0.01% |
+184,400
| New | +$5.66M |
|
4019
CALL
BCE
BCE
$21.8B
| $5.93M | ﹤0.01% |
235,000
-570,700
| -71% | -$14.5M |
|
4020
PUT
J.M. Smucker
SJM
$12.6B
| $5.93M | ﹤0.01% |
61,500
-54,100
| -47% | -$5.67M |
|
4021
CALL
Travere Therapeutics
TVTX
$5.99B
| $5.93M | ﹤0.01% |
199,600
-44,500
| -18% | -$1.33M |
|
4022
iShares Emerging Markets Dividend ETF
DVYE
$1.22B
| $5.93M | ﹤0.01% |
172,461
-110,301
| -39% | -$3.73M |
|
4023
CALL
PennyMac Financial
PFSI
$3.96B
| $5.92M | ﹤0.01% |
67,700
+30,900
| +84% | +$3.32M |
|
4024
PUT
Axsome Therapeutics
AXSM
$11.3B
| $5.92M | ﹤0.01% |
35,000
-44,800
| -56% | -$7.74M |
|
4025
PUT
GDS Holdings
GDS
$7.09B
| $5.91M | ﹤0.01% |
146,800
+71,400
| +95% | +$3.06M |
|
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.