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 | |
|---|---|---|---|---|---|---|
|
CTNM
4451
Contineum Therapeutics
CTNM
$542M
| $4.57M | ﹤0.01% |
+350,200
| New | +$4.7M |
|
4452
Vanguard FTSE Europe ETF
VGK
$31B
| $4.56M | ﹤0.01% |
55,380
+49,703
| +876% | +$4.27M |
|
4453
Goldman Sachs Access US Aggregate Bond ETF
GCOR
$806M
| $4.56M | ﹤0.01% |
+110,347
| New | +$4.59M |
|
4454
Xencor
XNCR
$1.71B
| $4.56M | ﹤0.01% |
377,699
+55,891
| +17% | +$694K |
|
4455
iShares Russell 2000 Growth ETF
IWO
$15.1B
| $4.55M | ﹤0.01% |
14,507
-6,982
| -32% | -$2.32M |
|
|
GOOS
4456
Canada Goose Holdings
GOOS
$854M
| $4.55M | ﹤0.01% |
414,755
-461,672
| -53% | -$5.55M |
|
4457
Griffon
GFF
$4.73B
| $4.55M | ﹤0.01% |
62,597
+28,185
| +82% | +$2.28M |
|
4458
PUT
Global X Defense Tech ETF
SHLD
$7.81B
| $4.54M | ﹤0.01% |
64,100
-4,800
| -7% | -$358K |
|
4459
PUT
Travere Therapeutics
TVTX
$5.84B
| $4.54M | ﹤0.01% |
152,700
+114,400
| +299% | +$3.42M |
|
|
HIMX
4460
Himax Technologies
HIMX
$2.64B
| $4.54M | ﹤0.01% |
576,404
+251,309
| +77% | +$2.06M |
|
|
PRMB
4461
PUT
Primo Brands
PRMB
$9B
| $4.54M | ﹤0.01% |
240,900
+69,700
| +41% | +$1.35M |
|
4462
PUT
Bitdeer Technologies
BTDR
$2.46B
| $4.54M | ﹤0.01% |
524,400
+37,400
| +8% | +$393K |
|
4463
CALL
Omnicom Group
OMC
$24B
| $4.53M | ﹤0.01% |
60,204
+25,918
| +76% | +$2.01M |
|
4464
PUT
Hasbro
HAS
$13.7B
| $4.53M | ﹤0.01% |
48,400
-112,500
| -70% | -$10.5M |
|
4465
CALL
Evergy
EVRG
$19.4B
| $4.53M | ﹤0.01% |
55,300
+18,400
| +50% | +$1.45M |
|
4466
PUT
Western Union
WU
$2.3B
| $4.53M | ﹤0.01% |
518,800
-266,200
| -34% | -$2.52M |
|
4467
Energy Recovery
ERII
$420M
| $4.53M | ﹤0.01% |
449,436
+30,849
| +7% | +$404K |
|
4468
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$36.8B
| $4.53M | ﹤0.01% |
79,988
+61,080
| +323% | +$3.54M |
|
|
SLVR
4469
PUT
Sprott Silver Miners & Physical Silver ETF
SLVR
$755M
| $4.52M | ﹤0.01% |
76,400
-30,600
| -29% | -$2.04M |
|
4470
CALL
Vanguard Morningstar Small-Cap Value ETF
VBR
$38.3B
| $4.52M | ﹤0.01% |
20,800
+1,900
| +10% | +$425K |
|
4471
CALL
Blackstone Secured Lending
BXSL
$5.76B
| $4.51M | ﹤0.01% |
190,400
-160,600
| -46% | -$4M |
|
4472
Liberty Global Class A
LBTYA
$3.59B
| $4.5M | ﹤0.01% |
372,420
+167,982
| +82% | +$1.96M |
|
4473
CALL
Incyte
INCY
$24.4B
| $4.5M | ﹤0.01% |
47,800
-17,400
| -27% | -$1.74M |
|
4474
CALL
Celanese
CE
$4.98B
| $4.5M | ﹤0.01% |
68,400
+8,200
| +14% | +$428K |
|
4475
NextDecade
NEXT
$1.91B
| $4.5M | ﹤0.01% |
587,268
-1,047,400
| -64% | -$5.96M |
|
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.