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 | |
|---|---|---|---|---|---|---|
2801
Denison Mines
DNN
$2.92B
| $16.5M | ﹤0.01% |
5,388,091
-2,493,292
| -32% | -$8.69M |
|
2802
Copa Holdings
CPA
$6.14B
| $16.5M | ﹤0.01% |
105,864
-119,616
| -53% | -$15.6M |
|
2803
PUT
State Street SPDR S&P Semiconductor ETF
XSD
$2.93B
| $16.5M | ﹤0.01% |
26,400
+23,600
| +843% | +$12.4M |
|
2804
CALL
Knight Transportation
KNX
$11.8B
| $16.5M | ﹤0.01% |
211,400
+117,200
| +124% | +$8.12M |
|
2805
Pilgrim's Pride
PPC
$6.64B
| $16.4M | ﹤0.01% |
585,065
+195,066
| +50% | +$6M |
|
2806
C3.ai
AI
$1.54B
| $16.4M | ﹤0.01% |
1,809,037
+1,088,818
| +151% | +$10.3M |
|
2807
PUT
Arthur J. Gallagher & Co
AJG
$64.4B
| $16.4M | ﹤0.01% |
71,600
+23,700
| +49% | +$5.03M |
|
|
GRRR
2808
CALL
Gorilla Technology Group
GRRR
$454M
| $16.4M | ﹤0.01% |
824,500
+689,700
| +512% | +$10.4M |
|
2809
iShares Russell 1000 Value ETF
IWD
$84.2B
| $16.4M | ﹤0.01% |
+67,594
| New | +$15.7M |
|
2810
CALL
Western Midstream Partners
WES
$20.2B
| $16.4M | ﹤0.01% |
374,000
+125,364
| +50% | +$5.4M |
|
2811
B2Gold
BTG
$6.79B
| $16.4M | ﹤0.01% |
4,374,047
-219,923
| -5% | -$1.01M |
|
2812
Bausch + Lomb
BLCO
$6.09B
| $16.4M | ﹤0.01% |
987,730
+282,509
| +40% | +$4.49M |
|
2813
PUT
Peabody Energy
BTU
$3.11B
| $16.3M | ﹤0.01% |
705,800
-316,600
| -31% | -$8.42M |
|
2814
Guidewire Software
GWRE
$14.6B
| $16.3M | ﹤0.01% |
132,360
+78,252
| +145% | +$10.4M |
|
2815
CALL
Vanguard Dividend Appreciation ETF
VIG
$114B
| $16.3M | ﹤0.01% |
68,800
+8,300
| +14% | +$1.91M |
|
2816
Cogent Communications
CCOI
$579M
| $16.3M | ﹤0.01% |
1,172,541
+746,261
| +175% | +$13.8M |
|
|
SEZL
2817
PUT
Sezzle
SEZL
$4.34B
| $16.3M | ﹤0.01% |
94,800
+30,300
| +47% | +$3.19M |
|
2818
Incyte
INCY
$24.4B
| $16.3M | ﹤0.01% |
143,509
+94,225
| +191% | +$9.34M |
|
2819
CALL
First Citizens BancShares
FCNCA
$25.9B
| $16.2M | ﹤0.01% |
7,800
-5,600
| -42% | -$11.2M |
|
2820
Urban Edge Properties
UE
$2.76B
| $16.2M | ﹤0.01% |
708,725
-1,469,013
| -67% | -$32.4M |
|
|
NASA
2821
PUT
Tema Space Innovators ETF
NASA
$1.22B
| $16.2M | ﹤0.01% |
+532,500
| New | +$17M |
|
2822
PUT
L3Harris
LHX
$54.3B
| $16.2M | ﹤0.01% |
55,600
+3,300
| +6% | +$1.05M |
|
2823
PUT
FormFactor
FORM
$10.3B
| $16.2M | ﹤0.01% |
101,000
+69,300
| +219% | +$9.19M |
|
2824
Curtiss-Wright
CW
$25.8B
| $16.1M | ﹤0.01% |
21,297
-43,105
| -67% | -$31.6M |
|
2825
PUT
Zeta Global
ZETA
$7.29B
| $16.1M | ﹤0.01% |
819,800
+228,700
| +39% | +$4.24M |
|
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.