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
|
+$9.91B |
| 2 |
SPCX
SpaceX
SPCX
|
+$871M |
| 3 |
Eli Lilly
LLY
|
+$719M |
| 4 |
Amazon
AMZN
|
+$698M |
| 5 |
Netflix
NFLX
|
+$627M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$3B |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.54B |
| 3 |
TSMC
TSM
|
+$1.42B |
| 4 |
NVIDIA
NVDA
|
+$1.41B |
| 5 |
SNDK
Sandisk
SNDK
|
+$771M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.92% |
| 2 | Healthcare | 2.55% |
| 3 | Industrials | 2.24% |
| 4 | Financials | 2.13% |
| 5 | Consumer Discretionary | 1.76% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
4251
PUT
Idexx Laboratories
IDXX
$43.4B
| $6.37M | ﹤0.01% |
12,100
-5,500
| -31% | -$3.08M |
|
4252
Westamerica Bancorp
WABC
$1.38B
| $6.37M | ﹤0.01% |
108,509
-16,073
| -13% | -$890K |
|
4253
Yelp
YELP
$1.34B
| $6.36M | ﹤0.01% |
+259,477
| New | +$6.46M |
|
4254
CALL
Capri Holdings
CPRI
$1.74B
| $6.36M | ﹤0.01% |
342,600
-361,000
| -51% | -$6.93M |
|
4255
Bowman Consulting
BWMN
$733M
| $6.36M | ﹤0.01% |
217,863
+100,693
| +86% | +$3.17M |
|
4256
CALL
Mobileye
MBLY
$7.58B
| $6.36M | ﹤0.01% |
657,100
+47,500
| +8% | +$423K |
|
|
4257
PUT
Capri Holdings
CPRI
$1.74B
| $6.35M | ﹤0.01% |
341,900
-18,900
| -5% | -$363K |
|
4258
CALL
Stellantis
STLA
$20.2B
| $6.34M | ﹤0.01% |
1,104,700
+653,700
| +145% | +$4.84M |
|
4259
CALL
Direxion Daily Healthcare Bull 3X ETF
CURE
$187M
| $6.34M | ﹤0.01% |
56,500
+4,400
| +8% | +$414K |
|
4260
PUT
Waters Corp
WAT
$40.5B
| $6.34M | ﹤0.01% |
16,896
-7,765
| -31% | -$2.65M |
|
4261
Castle Biosciences
CSTL
$905M
| $6.33M | ﹤0.01% |
265,353
+144,376
| +119% | +$3.22M |
|
4262
CALL
Globe Life
GL
$14.1B
| $6.33M | ﹤0.01% |
35,400
-42,200
| -54% | -$6.61M |
|
|
VOYG
4263
PUT
Voyager Technologies
VOYG
$2.6B
| $6.32M | ﹤0.01% |
196,100
+100,900
| +106% | +$3.49M |
|
4264
PUT
Intellia Therapeutics
NTLA
$1.67B
| $6.32M | ﹤0.01% |
373,600
-37,000
| -9% | -$518K |
|
4265
CALL
Liberty Media Series C
FWONK
$26B
| $6.32M | ﹤0.01% |
66,400
+59,400
| +849% | +$5.31M |
|
4266
CALL
Principal Financial Group
PFG
$24.4B
| $6.32M | ﹤0.01% |
58,600
+31,400
| +115% | +$3.19M |
|
4267
Gulfport Energy Corp
GPOR
$3.01B
| $6.31M | ﹤0.01% |
37,203
+6,401
| +21% | +$1.16M |
|
4268
PUT
dLocal
DLO
$4.17B
| $6.31M | ﹤0.01% |
485,800
+223,600
| +85% | +$2.84M |
|
4269
PUT
Guidewire Software
GWRE
$14.6B
| $6.31M | ﹤0.01% |
51,300
+35,900
| +233% | +$4.79M |
|
4270
Noble Corp
NE
$7.2B
| $6.31M | ﹤0.01% |
+169,084
| New | +$8.08M |
|
4271
PUT
Teucrium Wheat Fund
WEAT
$305M
| $6.31M | ﹤0.01% |
286,280
+153,260
| +115% | +$3.56M |
|
4272
West Fraser Timber
WFG
$5.54B
| $6.3M | ﹤0.01% |
93,044
+59,397
| +177% | +$3.87M |
|
4273
PUT
Amdocs
DOX
$6.18B
| $6.3M | ﹤0.01% |
124,600
+18,800
| +18% | +$1.15M |
|
4274
CALL
Praxis Precision Medicines
PRAX
$10.2B
| $6.29M | ﹤0.01% |
18,800
-22,100
| -54% | -$7M |
|
|
INN
4275
Summit Hotel Properties
INN
$651M
| $6.29M | ﹤0.01% |
897,514
-416,197
| -32% | -$2.3M |
|
Similar funds
Ken Griffin's Q2 2026 Portfolio in Review
As of Q2 2026, Ken Griffin held 15,447 positions worth $875B, up 41% from $618B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin deployed $103B of net new capital in Q2 2026, opening 2,575 new positions and adding to 6,089 existing holdings. Its largest new stake was SpaceX: 5,129,884 shares worth $876M.
By sector, the portfolio is most concentrated in Technology at 3.9% of assets, down from 4.5% a quarter earlier, followed by Healthcare and Industrials.
On the sell side, the largest reduction was Micron Technology, an estimated $3B trimmed.
- Ken Griffin's largest Q2 2026 buy was SpaceX: 5,129,884 shares worth $876M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q2 2026, an estimated $9.91B increase.
- Ken Griffin's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $3B.
- Ken Griffin fully exited iShares 7-10 Year Treasury Bond ETF in Q2 2026, selling an estimated $325M.
- Ken Griffin's ten largest holdings make up 23% of its $875B portfolio in Q2 2026.
- Ken Griffin opened 2,575 new positions and closed 1,872 in Q2 2026.
- Ken Griffin's portfolio value rose 41% quarter-over-quarter to $875B.
Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.