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 | |
|---|---|---|---|---|---|---|
|
IMRN
12701
Immuron
IMRN
$9.12M
| $10.7K | ﹤0.01% |
13,804
-31,978
| -70% | -$26.6K |
|
12702
Lexaria Bioscience
LEXX
$13.4M
| $10.5K | ﹤0.01% |
+901
| New | +$9.81K |
|
|
FSP
12703
PUT
Franklin Street Properties
FSP
$46.3M
| $10.4K | ﹤0.01% |
15,700
-1,800
| -10% | -$1.39K |
|
12704
CALL
SelectQuote
SLQT
$126M
| $10.4K | ﹤0.01% |
16,500
+3,200
| +24% | +$3.36K |
|
|
ITOC
12705
iTonic Holdings
ITOC
$4.95M
| $10.3K | ﹤0.01% |
29,553
+16,504
| +126% | +$6.81K |
|
|
INLF
12706
INLIF Ltd
INLF
$5.01M
| $10.2K | ﹤0.01% |
10
-1
| -9% | -$1.38K |
|
12707
CCSC Technology International Holdings
CCTG
$10.7M
| $10.1K | ﹤0.01% |
+23,309
| New | +$17.3K |
|
|
YAAS
12708
Youxin Technology Ltd
YAAS
$42.6M
| $10K | ﹤0.01% |
+2,072
| New | +$13.2K |
|
|
ORBS
12709
Eightco Holdings
ORBS
$292M
| $10K | ﹤0.01% |
10,754
-38,204
| -78% | -$48.9K |
|
|
INTZ
12710
Intrusion
INTZ
$16.4M
| $9.95K | ﹤0.01% |
12,125
-39,276
| -76% | -$42.7K |
|
12711
PUT
Getty Images
GETY
$133M
| $9.92K | ﹤0.01% |
+12,500
| New | +$12.6K |
|
|
HXHX
12712
Haoxin Holdings
HXHX
$7.97M
| $9.9K | ﹤0.01% |
25,255
+11,188
| +80% | +$5.44K |
|
|
SKK
12713
SKK Holdings
SKK
$10.9M
| $9.87K | ﹤0.01% |
4,327
-8,092
| -65% | -$23.7K |
|
12714
PUT
BARK
BARK
$96.3M
| $9.83K | ﹤0.01% |
970
-2,495
| -72% | -$38.3K |
|
12715
CALL
CalciMedica
CALC
$19.1M
| $9.83K | ﹤0.01% |
+18,200
| New | +$36.9K |
|
|
INEO
12716
INNEOVA Holdings Ltd
INEO
$10.3M
| $9.81K | ﹤0.01% |
+19,994
| New | +$10.8K |
|
12717
CN Energy Group
CNEY
$5.11M
| $9.79K | ﹤0.01% |
23,922
-10,267
| -30% | -$8.24K |
|
|
AIOS
12718
AIOS Tech
AIOS
$40.4M
| $9.7K | ﹤0.01% |
825
-467
| -36% | -$7.96K |
|
|
NVVE
12719
DELISTED
Nuvve Holding Corp
NVVE
| $9.69K | ﹤0.01% |
+810
| New | +$24.3K |
|
|
MIMI
12720
Mint Inc
MIMI
$15.3M
| $9.55K | ﹤0.01% |
+3,537
| New | +$11.2K |
|
|
DAAQW
12721
Digital Asset Acquisition Corp Warrant
DAAQW
$2.07M
| $9.44K | ﹤0.01% |
25,100
+101
| +0.4% | +$42 |
|
12722
HCW Biologics
HCWB
$4.66M
| $9.39K | ﹤0.01% |
4,347
+654
| +18% | +$3.38K |
|
12723
OLB
OLB
$4.58M
| $9.2K | ﹤0.01% |
18,545
-107,821
| -85% | -$67.2K |
|
12724
CALL
Retractable Technologies
RVP
$20.2M
| $9.2K | ﹤0.01% |
13,900
-200
| -1% | -$140 |
|
|
WFF
12725
WF Holding Ltd
WFF
$14.8M
| $9.13K | ﹤0.01% |
6,499
+3,624
| +126% | +$7.68K |
|
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.