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 | |
|---|---|---|---|---|---|---|
2551
CALL
Nasdaq
NDAQ
$54.2B
| $20M | ﹤0.01% |
253,600
-48,500
| -16% | -$4.25M |
|
|
BBOT
2552
BridgeBio Oncology
BBOT
$726M
| $19.9M | ﹤0.01% |
2,617,827
+89,065
| +4% | +$743K |
|
|
FDXF
2553
FedEx Freight
FDXF
$22.5B
| $19.9M | ﹤0.01% |
+132,063
| New | +$21.6M |
|
2554
Sharplink Inc
SBET
$1.36B
| $19.9M | ﹤0.01% |
4,151,084
+910,050
| +28% | +$5.82M |
|
2555
CALL
Edwards Lifesciences
EW
$52.8B
| $19.9M | ﹤0.01% |
220,200
+148,000
| +205% | +$12.4M |
|
2556
PUT
Dutch Bros
BROS
$9.09B
| $19.9M | ﹤0.01% |
277,200
-415,500
| -60% | -$23.8M |
|
2557
PUT
QuantumScape Corp
QS
$3.81B
| $19.9M | ﹤0.01% |
2,632,900
+375,700
| +17% | +$2.82M |
|
2558
CALL
ProShares Ultra Bloomberg Crude Oil
UCO
$430M
| $19.9M | ﹤0.01% |
603,300
-339,500
| -36% | -$14.6M |
|
2559
Markel Group
MKL
$22.9B
| $19.9M | ﹤0.01% |
10,177
+5,605
| +123% | +$10.5M |
|
2560
Magna International
MGA
$18.8B
| $19.9M | ﹤0.01% |
302,663
+187,420
| +163% | +$11.7M |
|
2561
CALL
NexGen Energy
NXE
$6.97B
| $19.8M | ﹤0.01% |
2,107,500
-416,300
| -16% | -$4.73M |
|
2562
PUT
Toast
TOST
$20.1B
| $19.8M | ﹤0.01% |
711,000
+303,600
| +75% | +$7.92M |
|
2563
PUT
Breakwave Tanker Shipping ETF
BWET
$55M
| $19.8M | ﹤0.01% |
133,300
+37,900
| +40% | +$6.38M |
|
2564
PUT
Monster Beverage
MNST
$91.7B
| $19.8M | ﹤0.01% |
411,000
+54,200
| +15% | +$2.28M |
|
2565
PUT
VeriSign
VRSN
$25.7B
| $19.7M | ﹤0.01% |
78,500
+34,900
| +80% | +$9.7M |
|
2566
PUT
Antero Resources
AR
$11.5B
| $19.7M | ﹤0.01% |
561,900
+132,500
| +31% | +$4.88M |
|
2567
BigBear.ai
BBAI
$1.57B
| $19.7M | ﹤0.01% |
5,379,946
-1,944,270
| -27% | -$7.78M |
|
2568
CALL
Symbotic
SYM
$5.55B
| $19.7M | ﹤0.01% |
439,100
+70,000
| +19% | +$3.57M |
|
2569
PUT
APA Corp
APA
$14.2B
| $19.7M | ﹤0.01% |
605,900
-8,200
| -1% | -$308K |
|
2570
PUT
Travelers Companies
TRV
$77.2B
| $19.7M | ﹤0.01% |
59,700
+41,600
| +230% | +$12.6M |
|
2571
CALL
Darling Ingredients
DAR
$10.6B
| $19.7M | ﹤0.01% |
360,600
+57,600
| +19% | +$3.44M |
|
2572
CALL
Domino's
DPZ
$11.5B
| $19.7M | ﹤0.01% |
66,500
+25,400
| +62% | +$8.36M |
|
2573
Wingstop
WING
$3.44B
| $19.7M | ﹤0.01% |
+113,386
| New | +$17.9M |
|
2574
Group 1 Automotive
GPI
$3.15B
| $19.6M | ﹤0.01% |
67,408
+57,347
| +570% | +$18.8M |
|
2575
CALL
American International
AIG
$40.1B
| $19.6M | ﹤0.01% |
263,300
-200,300
| -43% | -$15.2M |
|
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.