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 | |
|---|---|---|---|---|---|---|
12051
Tilray
TLRY
$640M
| $90K | ﹤0.01% |
13,908
-138,681
| -91% | -$1.08M |
|
|
FIRY
12052
PUT
Firy Inc
FIRY
$158M
| $89.9K | ﹤0.01% |
34,700
+16,200
| +88% | +$57.9K |
|
12053
Xtant Medical Holdings
XTNT
$43.8M
| $89.8K | ﹤0.01% |
161,011
-126,787
| -44% | -$78K |
|
12054
CALL
Tredegar Corp
TG
$278M
| $89.8K | ﹤0.01% |
+11,300
| New | +$94.5K |
|
12055
Shimmick
SHIM
$154M
| $89.8K | ﹤0.01% |
24,472
-26,679
| -52% | -$95.3K |
|
12056
CALL
The Honest Company
HNST
$540M
| $89.7K | ﹤0.01% |
30,500
+14,600
| +92% | +$37.6K |
|
|
BCYC
12057
PUT
Bicycle Therapeutics
BCYC
$279M
| $89.6K | ﹤0.01% |
19,300
+5,900
| +44% | +$33.7K |
|
12058
Pyxis Oncology
PYXS
$191M
| $89.4K | ﹤0.01% |
61,249
-182,340
| -75% | -$275K |
|
12059
PUT
GraniteShares 2x Short NVDA Daily ETF
NVD
$48.6M
| $89.4K | ﹤0.01% |
11,844
-18,240
| -61% | -$131K |
|
12060
PUT
Ampco-Pittsburgh
AP
$190M
| $89.4K | ﹤0.01% |
+13,300
| New | +$95.6K |
|
|
FORA
12061
DELISTED
Forian
FORA
| $89.3K | ﹤0.01% |
43,153
-23,550
| -35% | -$49.2K |
|
12062
CALL
Embecta
EMBC
$290M
| $89.3K | ﹤0.01% |
10,100
-15,100
| -60% | -$157K |
|
|
CAN
12063
PUT
Canaan Creative
CAN
$159M
| $89.2K | ﹤0.01% |
206,600
-390,800
| -65% | -$228K |
|
|
ILPT
12064
PUT
Industrial Logistics Properties Trust
ILPT
$611M
| $89.2K | ﹤0.01% |
15,700
+4,100
| +35% | +$23.9K |
|
12065
Altisource Portfolio Solutions
ASPS
$65.6M
| $89K | ﹤0.01% |
+13,977
| New | +$86.9K |
|
12066
MIND Technology
MIND
$42.6M
| $89K | ﹤0.01% |
+10,653
| New | +$93K |
|
|
HFRO
12067
Highland Opportunities and Income Fund
HFRO
$398M
| $88.9K | ﹤0.01% |
15,564
-4,482
| -22% | -$27.3K |
|
12068
Data Storage Corp
DTST
$8.37M
| $88.8K | ﹤0.01% |
22,958
-27,620
| -55% | -$119K |
|
12069
CALL
LivePerson
LPSN
$35.9M
| $88.8K | ﹤0.01% |
34,806
-10,078
| -22% | -$30.7K |
|
|
ALAR
12070
Alarum Technologies
ALAR
$13.4M
| $88.7K | ﹤0.01% |
+14,879
| New | +$111K |
|
12071
CALL
AirSculpt Technologies
AIRS
$244M
| $88.6K | ﹤0.01% |
31,300
-201,000
| -87% | -$468K |
|
12072
PUT
GoPro
GPRO
$117M
| $88.4K | ﹤0.01% |
114,800
-7,500
| -6% | -$7.54K |
|
12073
PUT
C4 Therapeutics
CCCC
$502M
| $88.4K | ﹤0.01% |
33,600
-5,100
| -13% | -$12K |
|
12074
Dogness International Corp
DOGZ
$17.7M
| $88.1K | ﹤0.01% |
61,619
+30,188
| +96% | +$116K |
|
12075
PUT
Quantum-Si Incorporated
QSI
$172M
| $88.1K | ﹤0.01% |
113,800
-442,200
| -80% | -$458K |
|
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.