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
|
+$9.9B |
| 2 |
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 |
Sandisk
SNDK
|
+$771M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 82.67% |
| 2 | Technology | 3.92% |
| 3 | Healthcare | 2.55% |
| 4 | Industrials | 2.26% |
| 5 | Financials | 2.13% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
26
CALL
VanEck Semiconductor ETF
SMH
$59.4B
| $4.94B | 0.56% |
7,526,500
+3,314,900
| +79% | +$1.81B |
2016 Q3
39 quarters
|
|
27
CALL
SPDR Gold Trust
GLD
$136B
| $4.89B | 0.56% |
13,268,600
-8,643,500
| -39% | -$3.58B |
2014 Q1
49 quarters
|
|
28
CALL
iShares Russell 2000 ETF
IWM
$74.2B
| $4.74B | 0.54% |
15,783,300
+702,300
| +5% | +$197M |
2016 Q3
39 quarters
|
|
|
29
PUT
TSMC
TSM
$1.95T
| $4.65B | 0.53% |
9,735,500
+1,019,900
| +12% | +$414M |
2016 Q2
40 quarters
|
|
30
PUT
Alphabet (Google) Class A
GOOGL
$3.5T
| $4.51B | 0.52% |
12,614,800
-2,470,500
| -16% | -$889M |
2015 Q4
42 quarters
|
|
31
PUT
Intel
INTC
$299B
| $4.35B | 0.5% |
31,165,400
+695,300
| +2% | +$70.3M |
2013 Q2
52 quarters
|
|
32
CALL
Alphabet (Google) Class C
GOOG
$3.49T
| $4.1B | 0.47% |
11,608,200
+1,284,200
| +12% | +$459M |
2013 Q2
52 quarters
|
|
33
CALL
Broadcom
AVGO
$1.4T
| $3.78B | 0.43% |
10,012,000
+677,100
| +7% | +$271M |
2013 Q2
52 quarters
|
|
|
34
CALL
TSMC
TSM
$1.95T
| $3.73B | 0.43% |
7,817,500
+4,641,200
| +146% | +$1.88B |
2016 Q2
40 quarters
|
|
|
35
PUT
Amazon
AMZN
$2.8T
| $3.73B | 0.43% |
15,629,100
-2,480,300
| -14% | -$623M |
2013 Q2
52 quarters
|
|
36
PUT
Western Digital
WDC
$98.7B
| $3.69B | 0.42% |
5,777,700
+2,219,500
| +62% | +$1.08B |
2013 Q2
52 quarters
|
|
37
CALL
Goldman Sachs
GS
$250B
| $3.62B | 0.41% |
3,576,200
+156,400
| +5% | +$152M |
2013 Q2
52 quarters
|
|
|
38
CALL
Intel
INTC
$299B
| $3.39B | 0.39% |
24,254,500
+5,862,800
| +32% | +$593M |
2013 Q2
52 quarters
|
|
39
PUT
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.6B
| $3.33B | 0.38% |
41,700,400
-1,976,000
| -5% | -$158M |
2016 Q3
39 quarters
|
|
|
40
PUT
Alphabet (Google) Class C
GOOG
$3.49T
| $3.06B | 0.35% |
8,659,000
+1,659,900
| +24% | +$593M |
2013 Q2
52 quarters
|
|
41
PUT
Seagate
STX
$106B
| $3.05B | 0.35% |
3,164,700
+1,142,400
| +56% | +$871M |
2013 Q2
52 quarters
|
|
|
42
PUT
SPDR Gold Trust
GLD
$136B
| $3.01B | 0.34% |
8,171,400
-4,172,100
| -34% | -$1.73B |
2014 Q1
49 quarters
|
|
|
43
PUT
Broadcom
AVGO
$1.4T
| $2.96B | 0.34% |
7,831,100
-494,300
| -6% | -$198M |
2013 Q2
52 quarters
|
|
44
PUT
Caterpillar
CAT
$256B
| $2.91B | 0.33% |
2,731,300
+1,135,200
| +71% | +$997M |
2013 Q2
52 quarters
|
|
45
CALL
iShares 20+ Year Treasury Bond ETF
TLT
$47.7B
| $2.86B | 0.33% |
33,128,700
+3,762,400
| +13% | +$323M |
2016 Q3
39 quarters
|
|
46
PUT
ASML
ASML
$549B
| $2.86B | 0.33% |
1,436,600
+294,200
| +26% | +$468M |
2016 Q2
40 quarters
|
|
47
PUT
Marvell Technology
MRVL
$127B
| $2.85B | 0.33% |
9,563,200
+4,723,600
| +98% | +$947M |
2013 Q2
52 quarters
|
|
|
48
PUT
Eli Lilly
LLY
$1.21T
| $2.82B | 0.32% |
2,349,200
+767,400
| +49% | +$784M |
2013 Q2
52 quarters
|
|
|
49
PUT
iShares 20+ Year Treasury Bond ETF
TLT
$47.7B
| $2.71B | 0.31% |
31,407,800
+12,673,600
| +68% | +$1.09B |
2016 Q3
39 quarters
|
|
50
CALL
UnitedHealth
UNH
$353B
| $2.63B | 0.3% |
6,334,600
-2,450,700
| -28% | -$908M |
2013 Q2
52 quarters
|
|
Similar funds
Ken Griffin's Q2 2026 Portfolio in Review
As of Q2 2026, Ken Griffin held 15,445 positions worth $875B, up 41% from $618B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin's Q2 2026 filing shows 2,573 new, 6,088 increased, 4,803 reduced and 1,873 closed positions. Its largest new stake was SpaceX: 5,129,884 shares worth $876M. The largest sale was Micron Technology, an estimated $3B.
By sector, the portfolio is most concentrated in Miscellaneous at 83% of assets, up from 79% a quarter earlier, followed by Technology and Healthcare.
- 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 $9.9B 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 2,573 new positions and closed 1,873 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.