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 | |
|---|---|---|---|---|---|---|
2626
PUT
Opendoor
OPEN
$3.53B
| $18.8M | ﹤0.01% |
4,070,600
-757,200
| -16% | -$3.62M |
|
2627
PUT
ProShares Short S&P500
SH
$841M
| $18.8M | ﹤0.01% |
569,100
-45,300
| -7% | -$1.55M |
|
2628
PUT
YPF Sociedad Anonima ADS
YPF
$19.6B
| $18.8M | ﹤0.01% |
413,200
+8,900
| +2% | +$418K |
|
2629
PUT
Zillow
Z
$7.82B
| $18.8M | ﹤0.01% |
596,000
+307,100
| +106% | +$11.8M |
|
2630
CALL
Macy's
M
$6.16B
| $18.8M | ﹤0.01% |
797,600
+149,700
| +23% | +$3.13M |
|
|
2631
Zillow
Z
$7.82B
| $18.8M | ﹤0.01% |
595,148
-90,131
| -13% | -$3.46M |
|
2632
CALL
Pagaya Technologies
PGY
$1.8B
| $18.7M | ﹤0.01% |
1,027,100
+325,300
| +46% | +$4.62M |
|
2633
Ionis Pharmaceuticals
IONS
$9.51B
| $18.7M | ﹤0.01% |
236,284
-706,250
| -75% | -$53.1M |
|
2634
CALL
Logitech
LOGI
$14.8B
| $18.7M | ﹤0.01% |
199,000
+106,500
| +115% | +$11.1M |
|
2635
CALL
iShares Select Dividend ETF
DVY
$24.1B
| $18.7M | ﹤0.01% |
119,700
-607,600
| -84% | -$93.5M |
|
2636
CALL
Ingersoll Rand
IR
$32.3B
| $18.7M | ﹤0.01% |
228,000
+86,600
| +61% | +$6.7M |
|
2637
CALL
iShares National Muni Bond ETF
MUB
$45.8B
| $18.7M | ﹤0.01% |
173,600
-21,700
| -11% | -$2.32M |
|
2638
PUT
Keysight
KEYS
$61.1B
| $18.7M | ﹤0.01% |
53,300
-186,000
| -78% | -$63.4M |
|
2639
PUT
Nice
NICE
$5.99B
| $18.6M | ﹤0.01% |
205,100
+44,700
| +28% | +$4.34M |
|
2640
CALL
monday.com
MNDY
$3.7B
| $18.6M | ﹤0.01% |
257,100
-13,300
| -5% | -$975K |
|
2641
CALL
Raymond James Financial
RJF
$34.8B
| $18.6M | ﹤0.01% |
122,400
+61,300
| +100% | +$9.31M |
|
2642
Artivion
AORT
$1.42B
| $18.6M | ﹤0.01% |
827,594
+756,725
| +1,068% | +$21.2M |
|
2643
CALL
Aptiv
APTV
$10.3B
| $18.6M | ﹤0.01% |
302,500
+205,700
| +213% | +$12.6M |
|
2644
Brink's
BCO
$4.71B
| $18.6M | ﹤0.01% |
196,492
+13,623
| +7% | +$1.42M |
|
2645
PUT
Medpace
MEDP
$16.1B
| $18.5M | ﹤0.01% |
35,000
+16,300
| +87% | +$7.52M |
|
2646
PUT
IQVIA
IQV
$39B
| $18.5M | ﹤0.01% |
95,700
+50,500
| +112% | +$8.81M |
|
|
GRMN
2647
CALL
Garmin
GRMN
$59.8B
| $18.5M | ﹤0.01% |
77,800
-12,900
| -14% | -$3.14M |
|
|
FITB
2648
CALL
Fifth Third Bancorp
FITB
$52.7B
| $18.5M | ﹤0.01% |
327,814
-37,354
| -10% | -$1.89M |
|
2649
Ally Financial
ALLY
$13.7B
| $18.5M | ﹤0.01% |
401,936
-1,199,120
| -75% | -$52M |
|
2650
FIGS
FIGS
$2.44B
| $18.5M | ﹤0.01% |
1,805,105
+564,962
| +46% | +$7.43M |
|
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.