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 | |
|---|---|---|---|---|---|---|
3401
Banco Santander Chile
BSAC
$16.3B
| $8.78M | ﹤0.01% |
262,886
+163,094
| +163% | +$5.51M |
|
3402
CALL
Sanofi
SNY
$105B
| $8.78M | ﹤0.01% |
182,200
+125,700
| +222% | +$5.86M |
|
|
EMA
3403
Emera Inc
EMA
$15.8B
| $8.77M | ﹤0.01% |
169,146
+95,491
| +130% | +$4.84M |
|
3404
PUT
Vanguard Health Care ETF
VHT
$18.9B
| $8.77M | ﹤0.01% |
32,200
+29,200
| +973% | +$8.35M |
|
3405
Trip.com Group
TCOM
$28.3B
| $8.77M | ﹤0.01% |
176,088
-764,683
| -81% | -$44.6M |
|
3406
Markel Group
MKL
$22.9B
| $8.75M | ﹤0.01% |
4,572
+4,475
| +4,613% | +$9.08M |
|
3407
CONMED
CNMD
$1.51B
| $8.73M | ﹤0.01% |
246,930
-393,643
| -61% | -$16M |
|
3408
PUT
Banco Macro
BMA
$4.96B
| $8.73M | ﹤0.01% |
112,800
+32,100
| +40% | +$2.73M |
|
3409
CALL
Tidewater
TDW
$4.69B
| $8.72M | ﹤0.01% |
104,400
-33,500
| -24% | -$2.33M |
|
3410
CALL
Banco Bradesco
BBD
$34.2B
| $8.7M | ﹤0.01% |
2,383,300
+1,980,500
| +492% | +$7.51M |
|
3411
iShares MSCI Emerging Markets Asia ETF
EEMA
$870M
| $8.68M | ﹤0.01% |
90,709
+9,973
| +12% | +$999K |
|
3412
CALL
Root
ROOT
$797M
| $8.67M | ﹤0.01% |
196,400
+66,100
| +51% | +$3.86M |
|
3413
CALL
Signet Jewelers
SIG
$3.52B
| $8.67M | ﹤0.01% |
102,400
-103,300
| -50% | -$9.4M |
|
3414
CALL
Cal-Maine
CALM
$3.8B
| $8.67M | ﹤0.01% |
109,500
+87,100
| +389% | +$7.16M |
|
3415
Newmark Group
NMRK
$2.76B
| $8.67M | ﹤0.01% |
578,102
-5,935
| -1% | -$93.6K |
|
3416
United Natural Foods
UNFI
$2.93B
| $8.66M | ﹤0.01% |
192,214
-102,840
| -35% | -$3.94M |
|
3417
CALL
Ionis Pharmaceuticals
IONS
$9.51B
| $8.66M | ﹤0.01% |
115,300
+5,900
| +5% | +$466K |
|
|
UCTT
3418
Ultra Clean Holdings
UCTT
$3.85B
| $8.66M | ﹤0.01% |
139,223
+107,904
| +345% | +$5.53M |
|
3419
HSBC
HSBC
$356B
| $8.65M | ﹤0.01% |
104,866
+35,807
| +52% | +$3.03M |
|
3420
CALL
Dycom Industries
DY
$12.6B
| $8.64M | ﹤0.01% |
25,500
+15,800
| +163% | +$5.94M |
|
3421
PUT
Copa Holdings
CPA
$6.14B
| $8.62M | ﹤0.01% |
75,900
+10,600
| +16% | +$1.39M |
|
3422
PUT
McEwen Inc
MUX
$1.15B
| $8.62M | ﹤0.01% |
422,100
-81,500
| -16% | -$1.94M |
|
3423
CALL
Healthpeak Properties
DOC
$14.3B
| $8.62M | ﹤0.01% |
524,500
+434,600
| +483% | +$7.45M |
|
3424
CALL
Kohl's
KSS
$2.18B
| $8.6M | ﹤0.01% |
666,400
-331,000
| -33% | -$5.58M |
|
|
P
3425
PUT
Everpure Inc
P
$39.3B
| $8.6M | ﹤0.01% |
145,600
-59,600
| -29% | -$4.04M |
|
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.