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
|
+$2.72B |
| 2 |
Meta Platforms (Facebook)
META
|
+$660M |
| 3 |
Micron Technology
MU
|
+$605M |
| 4 |
Mastercard
MA
|
+$497M |
| 5 |
Tesla
TSLA
|
+$495M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$1.33B |
| 2 |
Visa
V
|
+$1.26B |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$1.23B |
| 4 |
Lam Research
LRCX
|
+$699M |
| 5 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$681M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.49% |
| 2 | Healthcare | 2.99% |
| 3 | Financials | 2.85% |
| 4 | Industrials | 2.56% |
| 5 | Consumer Discretionary | 2.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
GRRR
6801
CALL
Gorilla Technology Group
GRRR
$407M
| $1.42M | ﹤0.01% |
134,800
-22,600
| -14% | -$276K |
|
|
SOBO
6802
CALL
South Bow Corp
SOBO
$7.63B
| $1.42M | ﹤0.01% |
+42,600
| New | +$1.29M |
|
6803
Rambus
RMBS
$11.1B
| $1.42M | ﹤0.01% |
16,495
-153,407
| -90% | -$15.3M |
|
6804
PUT
Mohawk Industries
MHK
$9.23B
| $1.42M | ﹤0.01% |
14,400
-10,700
| -43% | -$1.25M |
|
6805
PUT
Snap-on
SNA
$21.1B
| $1.42M | ﹤0.01% |
3,900
-800
| -17% | -$296K |
|
|
TGB
6806
PUT
Trekor Metals
TGB
$3.19B
| $1.42M | ﹤0.01% |
219,500
+106,900
| +95% | +$777K |
|
6807
CALL
Enliven Therapeutics
ELVN
$4.28B
| $1.42M | ﹤0.01% |
+36,100
| New | +$1M |
|
6808
LivaNova
LIVN
$4.46B
| $1.42M | ﹤0.01% |
22,263
+15,612
| +235% | +$1.01M |
|
6809
CALL
iRadimed
IRMD
$1.12B
| $1.42M | ﹤0.01% |
+14,700
| New | +$1.47M |
|
6810
CALL
Qfin Holdings
QFIN
$1.52B
| $1.41M | ﹤0.01% |
109,600
+41,800
| +62% | +$643K |
|
6811
PUT
YieldMax MSTR Option Income Strategy ETF
MSTY
$748M
| $1.41M | ﹤0.01% |
66,460
+11,820
| +22% | +$303K |
|
6812
Freedom 100 Emerging Markets ETF
FRDM
$3.41B
| $1.41M | ﹤0.01% |
+25,885
| New | +$1.48M |
|
|
NFLU
6813
PUT
T-Rex 2X Long NFLX Daily Target ETF
NFLU
$54M
| $1.41M | ﹤0.01% |
44,100
-28,200
| -39% | -$788K |
|
|
SYSB
6814
iShares Systematic Bond ETF
SYSB
$1.17B
| $1.41M | ﹤0.01% |
+15,882
| New | +$1.43M |
|
|
PRSD
6815
State Street Short Duration IG Public & Private Credit ETF
PRSD
$114M
| $1.41M | ﹤0.01% |
56,492
+10,270
| +22% | +$258K |
|
6816
CALL
TFI International
TFII
$11.9B
| $1.41M | ﹤0.01% |
13,000
-43,000
| -77% | -$4.81M |
|
6817
PUT
New Fortress Energy
NFE
$92.9M
| $1.41M | ﹤0.01% |
2,391,600
+1,631,600
| +215% | +$1.91M |
|
6818
FT Vest US Equity Moderate Buffer ETF January
GJAN
$439M
| $1.41M | ﹤0.01% |
33,651
+28,048
| +501% | +$1.2M |
|
6819
Voyager Therapeutics
VYGR
$197M
| $1.41M | ﹤0.01% |
364,664
-191,982
| -34% | -$756K |
|
6820
CALL
Houlihan Lokey
HLI
$8.69B
| $1.41M | ﹤0.01% |
9,800
-5,000
| -34% | -$823K |
|
6821
PUT
OSI Systems
OSIS
$3.81B
| $1.41M | ﹤0.01% |
5,300
+2,700
| +104% | +$746K |
|
6822
Innovator International Developed Power Buffer ETF December
IDEC
$43.2M
| $1.41M | ﹤0.01% |
+43,182
| New | +$1.43M |
|
6823
PUT
BCE
BCE
$21.4B
| $1.41M | ﹤0.01% |
55,700
-84,300
| -60% | -$2.14M |
|
6824
PUT
Edgewise Therapeutics
EWTX
$4.72B
| $1.4M | ﹤0.01% |
44,600
+17,900
| +67% | +$516K |
|
6825
CALL
Cavco Industries
CVCO
$4.6B
| $1.4M | ﹤0.01% |
2,900
-200
| -6% | -$114K |
|
Similar funds
Ken Griffin's Q1 2026 Portfolio in Review
As of Q1 2026, Ken Griffin held 14,860 positions worth $618B, down 7.1% from $666B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
Ken Griffin withdrew a net $19.5B in Q1 2026, closing 2,003 positions and reducing 5,286 holdings. Its most notable exit was CyberArk, an estimated $305M position sold in full.
By sector, the portfolio is most concentrated in Technology at 4.5% of assets, down from 4.9% a quarter earlier, followed by Healthcare and Financials.
Against the trend, Ken Griffin opened a new position in iShares 7-10 Year Treasury Bond ETF worth $327M.
- Ken Griffin's largest Q1 2026 buy was iShares 7-10 Year Treasury Bond ETF: 3,431,225 shares worth $327M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q1 2026, an estimated $2.72B increase.
- Ken Griffin's biggest Q1 2026 reduction was Amazon, cutting an estimated $1.33B.
- Ken Griffin fully exited CyberArk in Q1 2026, selling an estimated $305M.
- Ken Griffin's ten largest holdings make up 22% of its $618B portfolio in Q1 2026.
- Ken Griffin opened 2,347 new positions and closed 2,003 in Q1 2026.
- Ken Griffin's portfolio value fell 7.1% quarter-over-quarter to $618B.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.