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 | |
|---|---|---|---|---|---|---|
4676
PUT
Pagaya Technologies
PGY
$1.79B
| $3.99M | ﹤0.01% |
342,500
-435,512
| -56% | -$6.89M |
|
4677
CALL
Better Home & Finance Holding
BETR
$20.7M
| $3.99M | ﹤0.01% |
112,000
+64,500
| +136% | +$2.07M |
|
4678
CALL
-1x Short VIX Futures ETF
SVIX
$172M
| $3.99M | ﹤0.01% |
253,900
+29,300
| +13% | +$611K |
|
4679
PUT
CDW
CDW
$17.5B
| $3.98M | ﹤0.01% |
32,900
+17,900
| +119% | +$2.26M |
|
4680
CALL
Globus Medical
GMED
$11.5B
| $3.98M | ﹤0.01% |
46,200
+5,200
| +13% | +$467K |
|
4681
PUT
Root
ROOT
$786M
| $3.98M | ﹤0.01% |
90,000
-64,100
| -42% | -$3.74M |
|
4682
OSI Systems
OSIS
$3.77B
| $3.97M | ﹤0.01% |
14,948
+13,715
| +1,112% | +$3.79M |
|
|
GOLD
4683
CALL
Gold.com Inc
GOLD
$1.29B
| $3.97M | ﹤0.01% |
99,000
+67,300
| +212% | +$3.29M |
|
4684
PUT
BWX Technologies
BWXT
$15.8B
| $3.97M | ﹤0.01% |
19,400
-23,500
| -55% | -$4.77M |
|
4685
ProShares Ultra Dow30
DDM
$542M
| $3.97M | ﹤0.01% |
76,186
-9,620
| -11% | -$552K |
|
4686
Credit Acceptance
CACC
$6.1B
| $3.96M | ﹤0.01% |
9,363
-56,194
| -86% | -$26.5M |
|
4687
PUT
POET Technologies
POET
$1.62B
| $3.96M | ﹤0.01% |
667,400
+388,400
| +139% | +$2.52M |
|
4688
PUT
Boston Beer
SAM
$1.91B
| $3.96M | ﹤0.01% |
17,200
-4,700
| -21% | -$1.06M |
|
4689
PUT
Triple Flag Precious Metals
TFPM
$6.52B
| $3.96M | ﹤0.01% |
114,100
-31,100
| -21% | -$1.13M |
|
|
PPLI
4690
People Inc
PPLI
$3.02B
| $3.95M | ﹤0.01% |
98,774
-3,158
| -3% | -$120K |
|
4691
Xeris Biopharma Holdings
XERS
$1.55B
| $3.95M | ﹤0.01% |
681,634
+271,814
| +66% | +$1.8M |
|
4692
CALL
Lamar Advertising Co
LAMR
$15.9B
| $3.95M | ﹤0.01% |
31,200
+14,200
| +84% | +$1.86M |
|
4693
PUT
Huntsman Corp
HUN
$1.81B
| $3.95M | ﹤0.01% |
296,500
-353,000
| -54% | -$4.28M |
|
4694
PUT
VSE Corp
VSEC
$6.63B
| $3.95M | ﹤0.01% |
21,400
+17,000
| +386% | +$3.46M |
|
4695
CALL
CG Oncology
CGON
$6.6B
| $3.95M | ﹤0.01% |
58,300
-2,000
| -3% | -$113K |
|
4696
PUT
Tilray
TLRY
$622M
| $3.95M | ﹤0.01% |
609,740
-689,240
| -53% | -$5.37M |
|
4697
OppFi
OPFI
$620M
| $3.94M | ﹤0.01% |
510,976
-58,031
| -10% | -$531K |
|
4698
PUT
Direxion Daily Gold Miners Index Bear 2X ETF
DUST
$50.4M
| $3.94M | ﹤0.01% |
77,230
+9,740
| +14% | +$505K |
|
|
BAND
4699
Bandwidth Inc
BAND
$1.71B
| $3.94M | ﹤0.01% |
220,849
+190,561
| +629% | +$2.79M |
|
4700
CALL
Harmony Gold Mining
HMY
$12.1B
| $3.93M | ﹤0.01% |
256,000
+59,300
| +30% | +$1.17M |
|
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.