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 | |
|---|---|---|---|---|---|---|
|
JFIN
12351
CALL
Jiayin Group
JFIN
$120M
| $51.1K | ﹤0.01% |
+12,200
| New | +$76.7K |
|
12352
PUT
Talphera
TLPH
$62.8M
| $50.5K | ﹤0.01% |
67,600
-40,600
| -38% | -$36.7K |
|
12353
CALL
InflaRx
IFRX
$296M
| $50.4K | ﹤0.01% |
56,400
-38,100
| -40% | -$36K |
|
|
AMZE
12354
Amaze Holdings
AMZE
$1.51M
| $50.3K | ﹤0.01% |
+33,733
| New | +$98.8K |
|
12355
Planet Green Holdings
PLAG
$16.1M
| $50.3K | ﹤0.01% |
34,704
+5,485
| +19% | +$14.3K |
|
12356
CALL
Cytek Biosciences
CTKB
$636M
| $50.3K | ﹤0.01% |
+11,500
| New | +$54.3K |
|
12357
CALL
Ovid Therapeutics
OVID
$523M
| $50.2K | ﹤0.01% |
22,600
-84,300
| -79% | -$151K |
|
|
MAPS
12358
PUT
DELISTED
WM TECHNOLOGY INC A
MAPS
| $49.8K | ﹤0.01% |
75,700
-247,200
| -77% | -$181K |
|
|
UXRP
12359
PUT
Proshares Ultra XRP ETF
UXRP
$24.1M
| $49.4K | ﹤0.01% |
2,680
-1,360
| -34% | -$43.6K |
|
|
WDH
12360
Waterdrop
WDH
$359M
| $49.4K | ﹤0.01% |
30,467
-59,208
| -66% | -$104K |
|
|
LOT
12361
Lotus Technology
LOT
$616M
| $49.3K | ﹤0.01% |
42,887
-21,528
| -33% | -$26.1K |
|
12362
KALA BIO
KALA
$17.9M
| $48.8K | ﹤0.01% |
5,633
+4,505
| +399% | +$95.3K |
|
12363
PUT
TRX Gold Corp
TRX
$341M
| $48.6K | ﹤0.01% |
+32,400
| New | +$47.8K |
|
|
PNNT
12364
CALL
Pennant Park Investment Corp
PNNT
$249M
| $48.5K | ﹤0.01% |
10,800
-74,800
| -87% | -$398K |
|
12365
Gain Therapeutics
GANX
$92.6M
| $48.3K | ﹤0.01% |
+24,900
| New | +$54.2K |
|
|
GPMT
12366
PUT
Granite Point Mortgage Trust
GPMT
$58.8M
| $48.3K | ﹤0.01% |
33,300
+22,900
| +220% | +$44.1K |
|
12367
BranchOut Food
BOF
$68.2M
| $48.2K | ﹤0.01% |
+14,600
| New | +$50.6K |
|
|
BRAG
12368
Bragg Gaming Group
BRAG
$46.2M
| $48.1K | ﹤0.01% |
27,988
-43,512
| -61% | -$84.6K |
|
12369
Milestone Scientific
MLSS
$48.9M
| $48.1K | ﹤0.01% |
167,135
+13,360
| +9% | +$3.73K |
|
|
SBFM
12370
Sunshine Biopharma
SBFM
$2.85M
| $48.1K | ﹤0.01% |
4,625
-768
| -14% | -$9.05K |
|
12371
CALL
eHealth
EHTH
$38.8M
| $47.9K | ﹤0.01% |
+37,100
| New | +$86K |
|
12372
Integrated Media Technology
IMTE
$1.84M
| $47.6K | ﹤0.01% |
80,886
+32,084
| +66% | +$21.1K |
|
|
GP
12373
GreenPower Motor Co
GP
$11.3M
| $47.6K | ﹤0.01% |
47,167
+36,548
| +344% | +$38.4K |
|
|
SANG
12374
Sangoma Technologies
SANG
$133M
| $47.6K | ﹤0.01% |
12,559
-285
| -2% | -$1.32K |
|
12375
CALL
BARK
BARK
$94.3M
| $47.5K | ﹤0.01% |
4,690
-415
| -8% | -$6.37K |
|
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.