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 | |
|---|---|---|---|---|---|---|
5026
USA Compression Partners
USAC
$3.84B
| $3.32M | ﹤0.01% |
122,338
-160,126
| -57% | -$4.25M |
|
|
LOVE
5027
PUT
LoveSac
LOVE
$253M
| $3.32M | ﹤0.01% |
224,600
+45,600
| +25% | +$604K |
|
5028
Enanta Pharmaceuticals
ENTA
$393M
| $3.32M | ﹤0.01% |
262,533
+169,375
| +182% | +$2.27M |
|
5029
PUT
T-Rex 2X Long NVIDIA Daily Target ETF
NVDX
$473M
| $3.31M | ﹤0.01% |
237,600
-340,100
| -59% | -$5.46M |
|
5030
PUT
Kosmos Energy
KOS
$1.51B
| $3.31M | ﹤0.01% |
1,190,300
+454,000
| +62% | +$853K |
|
|
VPU
5031
PUT
Vanguard Utilities ETF
VPU
$8.52B
| $3.31M | ﹤0.01% |
16,700
+15,400
| +1,185% | +$2.99M |
|
5032
WaFd
WAFD
$2.79B
| $3.31M | ﹤0.01% |
105,325
-137,319
| -57% | -$4.42M |
|
5033
Clover Health Investments
CLOV
$2.41B
| $3.31M | ﹤0.01% |
1,878,048
+730,108
| +64% | +$1.58M |
|
|
CWAN
5034
PUT
DELISTED
Clearwater Analytics
CWAN
| $3.3M | ﹤0.01% |
139,700
-272,200
| -66% | -$6.44M |
|
5035
Vanguard California Tax-Exempt Bond ETF
VTEC
$3.1B
| $3.3M | ﹤0.01% |
+33,334
| New | +$3.35M |
|
|
NVMI
5036
PUT
Nova
NVMI
$13.1B
| $3.3M | ﹤0.01% |
7,600
-75,600
| -91% | -$33.3M |
|
5037
PUT
Matthews International
MATW
$725M
| $3.3M | ﹤0.01% |
127,800
+49,600
| +63% | +$1.3M |
|
5038
PUT
Dynatrace
DT
$14.3B
| $3.3M | ﹤0.01% |
89,200
-68,100
| -43% | -$2.6M |
|
5039
CALL
GraniteShares ETF Trust GraniteShares 2x Long META Daily ETF
FBL
$184M
| $3.3M | ﹤0.01% |
143,600
+45,300
| +46% | +$1.36M |
|
5040
PUT
Corcept Therapeutics
CORT
$12.1B
| $3.29M | ﹤0.01% |
81,700
-69,300
| -46% | -$2.59M |
|
5041
SEI Investments
SEIC
$12.7B
| $3.29M | ﹤0.01% |
41,969
-110,307
| -72% | -$9.08M |
|
5042
Avantis International Equity ETF
AVDE
$18.8B
| $3.29M | ﹤0.01% |
38,794
+34,909
| +899% | +$3.03M |
|
5043
PUT
WEX
WEX
$6.48B
| $3.29M | ﹤0.01% |
21,500
+19,100
| +796% | +$2.99M |
|
5044
WisdomTree True Emerging Markets Fund
XC
$80.5M
| $3.29M | ﹤0.01% |
105,371
-42,044
| -29% | -$1.38M |
|
5045
Cognyte Software
CGNT
$675M
| $3.29M | ﹤0.01% |
405,828
+354,972
| +698% | +$2.93M |
|
5046
CALL
McEwen Inc
MUX
$1.18B
| $3.28M | ﹤0.01% |
160,800
-56,400
| -26% | -$1.34M |
|
5047
CALL
Lear
LEA
$8.16B
| $3.28M | ﹤0.01% |
27,100
+12,600
| +87% | +$1.57M |
|
5048
BrandywineGLOBAL US Fixed Income ETF
USFI
$9.74M
| $3.28M | ﹤0.01% |
+133,135
| New | +$3.29M |
|
|
EIKN
5049
Eikon Therapeutics
EIKN
$564M
| $3.28M | ﹤0.01% |
+310,000
| New | +$4.14M |
|
5050
CALL
SPX Corp
SPXC
$10.9B
| $3.28M | ﹤0.01% |
16,400
+1,400
| +9% | +$301K |
|
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.