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 | |
|---|---|---|---|---|---|---|
3626
Portland General Electric
POR
$5.97B
| $9.33M | ﹤0.01% |
179,983
-1,425,653
| -89% | -$72.3M |
|
3627
PUT
United States Natural Gas Fund
UNG
$487M
| $9.33M | ﹤0.01% |
795,900
-381,700
| -32% | -$4.27M |
|
3628
CALL
Anterix
ATEX
$1.79B
| $9.33M | ﹤0.01% |
90,600
+43,500
| +92% | +$2.55M |
|
3629
Aclaris Therapeutics
ACRS
$851M
| $9.32M | ﹤0.01% |
1,762,081
-487,238
| -22% | -$2.17M |
|
3630
Harmony Biosciences
HRMY
$2.22B
| $9.31M | ﹤0.01% |
255,810
-329,813
| -56% | -$10.4M |
|
3631
CALL
Healthpeak Properties
DOC
$14.3B
| $9.31M | ﹤0.01% |
435,000
-89,500
| -17% | -$1.67M |
|
3632
PUT
Ferguson
FERG
$47.4B
| $9.3M | ﹤0.01% |
39,200
+11,100
| +40% | +$2.68M |
|
3633
Diamondrock Hospitality Co
DRH
$2.53B
| $9.3M | ﹤0.01% |
763,783
+676,333
| +773% | +$7.36M |
|
3634
CALL
iShares Preferred and Income Securities ETF
PFF
$13.3B
| $9.3M | ﹤0.01% |
305,000
+260,300
| +582% | +$8.11M |
|
3635
JB Hunt Transport Services
JBHT
$26.3B
| $9.3M | ﹤0.01% |
32,129
-543,621
| -94% | -$140M |
|
3636
CALL
Coca-Cola Consolidated
COKE
$12.6B
| $9.3M | ﹤0.01% |
48,700
+24,100
| +98% | +$4.49M |
|
3637
CALL
Nordson
NDSN
$17.2B
| $9.29M | ﹤0.01% |
30,800
+17,600
| +133% | +$4.99M |
|
3638
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.9B
| $9.28M | ﹤0.01% |
96,226
+59,859
| +165% | +$5.73M |
|
3639
Upbound Group
UPBD
$1.14B
| $9.27M | ﹤0.01% |
437,058
+281,173
| +180% | +$5.26M |
|
|
EQPT
3640
EquipmentShare.com Inc
EQPT
$5.23B
| $9.27M | ﹤0.01% |
471,728
-1,484,431
| -76% | -$31.8M |
|
3641
PUT
Verisk Analytics
VRSK
$23.6B
| $9.26M | ﹤0.01% |
51,600
-103,300
| -67% | -$18.2M |
|
3642
CALL
Cognex
CGNX
$11B
| $9.26M | ﹤0.01% |
127,800
-406,100
| -76% | -$24.6M |
|
3643
CALL
Vail Resorts
MTN
$5.28B
| $9.24M | ﹤0.01% |
67,900
-42,500
| -38% | -$5.53M |
|
3644
Better Home & Finance Holding
BETR
$261M
| $9.24M | ﹤0.01% |
335,989
+106,023
| +46% | +$3.43M |
|
3645
Mobileye
MBLY
$7.58B
| $9.24M | ﹤0.01% |
954,266
-672,565
| -41% | -$5.99M |
|
3646
CALL
Factset
FDS
$10.1B
| $9.23M | ﹤0.01% |
40,100
-57,000
| -59% | -$13.1M |
|
3647
CALL
TechnipFMC
FTI
$30.8B
| $9.22M | ﹤0.01% |
139,100
-62,400
| -31% | -$4.42M |
|
|
LABX
3648
PUT
Tradr 2X Long ALAB Daily ETF
LABX
$80.8M
| $9.21M | ﹤0.01% |
250,374
+134,772
| +117% | +$1.88M |
|
3649
Orrstown Financial Services
ORRF
$852M
| $9.21M | ﹤0.01% |
225,513
+121,547
| +117% | +$4.58M |
|
3650
USA Compression Partners
USAC
$3.86B
| $9.21M | ﹤0.01% |
348,839
+226,501
| +185% | +$6.24M |
|
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.