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 | |
|---|---|---|---|---|---|---|
2276
CALL
Alnylam Pharmaceuticals
ALNY
$30.6B
| $24.6M | ﹤0.01% |
81,600
+31,000
| +61% | +$9.35M |
|
2277
ZTO Express
ZTO
$17.4B
| $24.5M | ﹤0.01% |
1,096,684
+122,055
| +13% | +$2.91M |
|
2278
PUT
monday.com
MNDY
$3.7B
| $24.5M | ﹤0.01% |
339,000
+800
| +0.2% | +$58.6K |
|
2279
CALL
CarMax
KMX
$8.5B
| $24.5M | ﹤0.01% |
463,800
-39,900
| -8% | -$1.74M |
|
|
SPYM
2280
PUT
State Street SPDR Portfolio S&P 500 ETF
SPYM
$169B
| $24.5M | ﹤0.01% |
278,400
-27,800
| -9% | -$2.37M |
|
2281
CALL
Toll Brothers
TOL
$13.9B
| $24.5M | ﹤0.01% |
148,500
+31,700
| +27% | +$4.51M |
|
2282
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.4B
| $24.4M | ﹤0.01% |
+34,729
| New | +$23.3M |
|
2283
PUT
Check Point Software Technologies
CHKP
$13.4B
| $24.4M | ﹤0.01% |
185,800
+98,200
| +112% | +$12.8M |
|
2284
Zai Lab
ZLAB
$2.91B
| $24.4M | ﹤0.01% |
1,284,706
-403,926
| -24% | -$7.98M |
|
2285
PUT
Zebra Technologies
ZBRA
$17.8B
| $24.4M | ﹤0.01% |
92,700
+70,400
| +316% | +$16.6M |
|
2286
VanEck Uranium + Nuclear Energy ETF
NLR
$4.18B
| $24.4M | ﹤0.01% |
210,398
+107,380
| +104% | +$14.3M |
|
2287
CALL
Truist Financial
TFC
$64.9B
| $24.3M | ﹤0.01% |
488,500
-31,600
| -6% | -$1.55M |
|
|
BAND
2288
Bandwidth Inc
BAND
$1.74B
| $24.2M | ﹤0.01% |
382,961
+162,112
| +73% | +$7.27M |
|
2289
CALL
Direxion Daily Semiconductor Bear 3X ETF
SOXS
$1.39B
| $24.2M | ﹤0.01% |
747,114
+651,978
| +685% | +$77.7M |
|
2290
CALL
Tenet Healthcare
THC
$21.6B
| $24.2M | ﹤0.01% |
129,300
+77,600
| +150% | +$14.3M |
|
2291
PUT
Realty Income
O
$59.4B
| $24.2M | ﹤0.01% |
390,400
+76,000
| +24% | +$4.74M |
|
2292
PUT
Warrior Met Coal
HCC
$5.19B
| $24.2M | ﹤0.01% |
297,700
+277,700
| +1,389% | +$25.1M |
|
2293
CALL
Intercontinental Exchange
ICE
$86.9B
| $24.2M | ﹤0.01% |
196,200
+48,400
| +33% | +$7.26M |
|
2294
CALL
Quantum Computing Inc
QUBT
$2.04B
| $24.1M | ﹤0.01% |
2,488,000
+1,163,900
| +88% | +$11.3M |
|
2295
WIX.com
WIX
$3.1B
| $24.1M | ﹤0.01% |
531,688
+206,506
| +64% | +$12.8M |
|
2296
Biohaven
BHVN
$2.21B
| $24.1M | ﹤0.01% |
1,619,676
-103,431
| -6% | -$1.11M |
|
2297
Plains GP Holdings
PAGP
$5.11B
| $24M | ﹤0.01% |
989,667
+522,761
| +112% | +$12.5M |
|
|
SPYM
2298
CALL
State Street SPDR Portfolio S&P 500 ETF
SPYM
$169B
| $24M | ﹤0.01% |
273,300
-13,400
| -5% | -$1.14M |
|
2299
CALL
Dycom Industries
DY
$12.6B
| $24M | ﹤0.01% |
47,500
+22,000
| +86% | +$9.62M |
|
2300
PUT
Digital Realty Trust
DLR
$74.1B
| $24M | ﹤0.01% |
133,700
-29,100
| -18% | -$5.57M |
|
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.