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 | |
|---|---|---|---|---|---|---|
2501
CALL
Viavi Solutions
VIAV
$10.7B
| $20.7M | ﹤0.01% |
432,700
+12,400
| +3% | +$594K |
|
|
JBIO
2502
Jade Biosciences
JBIO
$1.57B
| $20.7M | ﹤0.01% |
929,407
+792,185
| +577% | +$16.5M |
|
2503
PUT
Entegris
ENTG
$24.7B
| $20.6M | ﹤0.01% |
114,800
+38,900
| +51% | +$5.61M |
|
2504
Eastman Chemical
EMN
$8.47B
| $20.6M | ﹤0.01% |
308,256
+66,501
| +28% | +$4.86M |
|
2505
Moderna
MRNA
$25.3B
| $20.6M | ﹤0.01% |
294,496
-195,274
| -40% | -$10.1M |
|
2506
CGI
GIB
$15.2B
| $20.6M | ﹤0.01% |
319,041
+69,933
| +28% | +$4.77M |
|
2507
CALL
CDW
CDW
$17.4B
| $20.6M | ﹤0.01% |
146,300
+63,200
| +76% | +$7.94M |
|
2508
CALL
AerCap
AER
$24B
| $20.6M | ﹤0.01% |
141,000
-160,500
| -53% | -$22.8M |
|
|
TXNM
2509
TXNM Energy Inc
TXNM
$5.91B
| $20.6M | ﹤0.01% |
362,001
+69,010
| +24% | +$4.05M |
|
2510
Lloyds Banking Group
LYG
$90.1B
| $20.5M | ﹤0.01% |
3,524,847
+2,964,015
| +529% | +$16.1M |
|
2511
SoFi Technologies
SOFI
$23.6B
| $20.5M | ﹤0.01% |
1,145,775
-9,901,406
| -90% | -$168M |
|
2512
CALL
Kenvue
KVUE
$36.9B
| $20.5M | ﹤0.01% |
1,073,000
-513,300
| -32% | -$9.04M |
|
2513
Nutanix
NTNX
$18B
| $20.5M | ﹤0.01% |
402,208
-126,044
| -24% | -$5.7M |
|
|
ARX
2514
Accelerant Holdings
ARX
$4.27B
| $20.5M | ﹤0.01% |
1,747,985
+603,779
| +53% | +$8.48M |
|
2515
UiPath
PATH
$8.3B
| $20.5M | ﹤0.01% |
1,884,306
-1,206,105
| -39% | -$12.9M |
|
2516
CALL
iShares US Technology ETF
IYW
$25.6B
| $20.5M | ﹤0.01% |
81,200
-423,900
| -84% | -$97.4M |
|
2517
PUT
Coupang
CPNG
$29B
| $20.5M | ﹤0.01% |
1,178,200
-366,100
| -24% | -$6.61M |
|
2518
Idexx Laboratories
IDXX
$43.4B
| $20.5M | ﹤0.01% |
38,846
-48,720
| -56% | -$27.3M |
|
2519
Essential Properties Realty Trust
EPRT
$6.72B
| $20.4M | ﹤0.01% |
684,510
+487,960
| +248% | +$15.2M |
|
2520
PUT
Direxion Daily Gold Miners Index Bull 2X ETF
NUGT
$1.21B
| $20.4M | ﹤0.01% |
174,300
-108,800
| -38% | -$18.5M |
|
2521
Ball Corp
BALL
$16.4B
| $20.4M | ﹤0.01% |
326,783
+61,546
| +23% | +$3.62M |
|
2522
The RealReal
REAL
$1.39B
| $20.4M | ﹤0.01% |
1,726,164
-101,549
| -6% | -$1.08M |
|
2523
H&R Block
HRB
$6.83B
| $20.3M | ﹤0.01% |
534,124
-2,649,051
| -83% | -$92.3M |
|
2524
PUT
Redwire
RDW
$3.39B
| $20.3M | ﹤0.01% |
1,662,700
+853,200
| +105% | +$11.3M |
|
2525
Carvana
CVNA
$83.1B
| $20.3M | ﹤0.01% |
308,928
+68,588
| +29% | +$4.85M |
|
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.