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 | |
|---|---|---|---|---|---|---|
4401
CALL
Coca-Cola Consolidated
COKE
$12.4B
| $4.72M | ﹤0.01% |
24,600
+17,000
| +224% | +$2.98M |
|
4402
CALL
iShares Core MSCI EAFE ETF
IEFA
$196B
| $4.72M | ﹤0.01% |
+52,100
| New | +$4.86M |
|
4403
First Trust Emerging Markets Human Flourishing ETF
FTHF
$126M
| $4.72M | ﹤0.01% |
+126,245
| New | +$4.8M |
|
4404
PUT
Chord Energy
CHRD
$7.82B
| $4.71M | ﹤0.01% |
33,100
+4,600
| +16% | +$502K |
|
4405
CALL
ODDITY Tech
ODD
$558M
| $4.7M | ﹤0.01% |
351,500
+232,000
| +194% | +$5.81M |
|
4406
CALL
Boot Barn
BOOT
$4.97B
| $4.7M | ﹤0.01% |
32,100
-6,300
| -16% | -$1.14M |
|
4407
PUT
Teladoc Health
TDOC
$1.19B
| $4.69M | ﹤0.01% |
861,100
-212,600
| -20% | -$1.19M |
|
4408
CALL
iShares Micro-Cap ETF
IWC
$1.53B
| $4.69M | ﹤0.01% |
29,400
+24,100
| +455% | +$4M |
|
4409
CALL
ARK Web x.0 ETF
ARKW
$1.8B
| $4.69M | ﹤0.01% |
38,900
+12,600
| +48% | +$1.67M |
|
|
ORCX
4410
CALL
Defiance Daily Target 2X Long ORCL ETF
ORCX
$244M
| $4.69M | ﹤0.01% |
175,781
+141,981
| +420% | +$4.96M |
|
4411
ProShares UltraPro Dow 30
UDOW
$906M
| $4.69M | ﹤0.01% |
93,463
-252,280
| -73% | -$14.8M |
|
|
AARD
4412
Aardvark Therapeutics
AARD
$148M
| $4.69M | ﹤0.01% |
1,242,777
-46,486
| -4% | -$482K |
|
4413
CALL
Alerian MLP ETF
AMLP
$13.2B
| $4.68M | ﹤0.01% |
89,000
-73,600
| -45% | -$3.75M |
|
|
TE
4414
CALL
T1 Energy
TE
$1.44B
| $4.68M | ﹤0.01% |
1,065,000
+243,800
| +30% | +$1.79M |
|
4415
Satellogic
SATL
$893M
| $4.67M | ﹤0.01% |
+858,043
| New | +$3.16M |
|
4416
CALL
Repligen
RGEN
$9.54B
| $4.67M | ﹤0.01% |
39,600
+11,100
| +39% | +$1.55M |
|
4417
AutoNation
AN
$6.78B
| $4.66M | ﹤0.01% |
23,887
+16,238
| +212% | +$3.28M |
|
4418
Farmers National Banc Corp
FMNB
$955M
| $4.66M | ﹤0.01% |
354,381
+138,569
| +64% | +$1.82M |
|
4419
PUT
Zebra Technologies
ZBRA
$17.6B
| $4.66M | ﹤0.01% |
22,300
+1,800
| +9% | +$423K |
|
4420
BioLife Solutions
BLFS
$1.73B
| $4.66M | ﹤0.01% |
244,172
+146,859
| +151% | +$3.25M |
|
4421
CALL
Expeditors International
EXPD
$24.5B
| $4.65M | ﹤0.01% |
32,500
-1,800
| -5% | -$274K |
|
4422
Werner Enterprises
WERN
$2.35B
| $4.65M | ﹤0.01% |
158,235
+91,767
| +138% | +$2.97M |
|
|
PTIR
4423
PUT
GraniteShares 2x Long PLTR Daily ETF
PTIR
$350M
| $4.65M | ﹤0.01% |
284,100
-220,700
| -44% | -$4.21M |
|
4424
CALL
Unusual Machines
UMAC
$1.51B
| $4.64M | ﹤0.01% |
374,100
-115,400
| -24% | -$1.76M |
|
4425
Incyte
INCY
$25B
| $4.64M | ﹤0.01% |
49,284
-17,333
| -26% | -$1.73M |
|
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.