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 | |
|---|---|---|---|---|---|---|
12551
CALL
Loop Industries
LOOP
$32.2M
| $27.5K | ﹤0.01% |
19,200
-2,500
| -12% | -$3.13K |
|
|
IMMP
12552
Immutep
IMMP
$59.5M
| $27.4K | ﹤0.01% |
+78,174
| New | +$179K |
|
|
NAKA
12553
Nakamoto Inc
NAKA
$86M
| $27.3K | ﹤0.01% |
3,086
+1,207
| +64% | +$15.3K |
|
12554
CALL
Ispire Technology
ISPR
$99.3M
| $27.2K | ﹤0.01% |
14,800
+600
| +4% | +$1.55K |
|
|
FARM
12555
CALL
DELISTED
Farmer Brothers
FARM
| $27.2K | ﹤0.01% |
21,400
+10,100
| +89% | +$14.8K |
|
12556
GT Biopharma
GTBP
$10.9M
| $27K | ﹤0.01% |
66,165
-14,596
| -18% | -$7.96K |
|
12557
PUT
NET Power
NPWR
$144M
| $27K | ﹤0.01% |
17,300
-21,600
| -56% | -$46.1K |
|
12558
PRF Technologies Ltd
PRFX
$3.65M
| $26.8K | ﹤0.01% |
+13,220
| New | +$42.2K |
|
|
SLXN
12559
Silexion Therapeutics
SLXN
$489K
| $26.8K | ﹤0.01% |
2,093
+872
| +71% | +$15.3K |
|
12560
PUT
OPAL Fuels
OPAL
$67.1M
| $26.7K | ﹤0.01% |
+10,600
| New | +$24.3K |
|
|
UCL
12561
uCloudlink Group
UCL
$28.6M
| $26.4K | ﹤0.01% |
18,757
-16,090
| -46% | -$25.8K |
|
|
VEEA
12562
Veea Inc
VEEA
$7.96M
| $26.4K | ﹤0.01% |
+49,566
| New | +$27.2K |
|
12563
Arts-Way Manufacturing Co
ARTW
$13.3M
| $26.2K | ﹤0.01% |
12,545
-21,069
| -63% | -$49.4K |
|
12564
CALL
Good Times Restaurants
GTIM
$15.8M
| $26.2K | ﹤0.01% |
22,400
-2,000
| -8% | -$2.39K |
|
12565
PUT
Zentalis Pharmaceuticals
ZNTL
$297M
| $26.2K | ﹤0.01% |
+11,200
| New | +$28.9K |
|
12566
CALL
Citius Pharmaceuticals
CTXR
$21M
| $26.2K | ﹤0.01% |
29,100
-38,000
| -57% | -$30.7K |
|
12567
CALL
Veru
VERU
$46.7M
| $26.1K | ﹤0.01% |
+11,800
| New | +$28.7K |
|
12568
Enlivex Ltd
ENLV
$31M
| $26K | ﹤0.01% |
1,864
+158
| +9% | +$2.5K |
|
12569
PUT
Mammoth Energy Services
TUSK
$158M
| $26K | ﹤0.01% |
+10,600
| New | +$24.1K |
|
|
CURX
12570
Curanex Pharmaceuticals
CURX
$6.41M
| $25.9K | ﹤0.01% |
50,559
-53,719
| -52% | -$20.2K |
|
12571
Matinas BioPharma
MTNB
$1.49M
| $25.8K | ﹤0.01% |
51,698
-14,036
| -21% | -$8.79K |
|
12572
Marchex
MCHX
$77.5M
| $25.8K | ﹤0.01% |
+16,629
| New | +$26.2K |
|
12573
Wheels Up
UP
$190M
| $25.6K | ﹤0.01% |
2,478
-3,301
| -57% | -$43K |
|
|
OGI
12574
PUT
Organigram Holdings
OGI
$177M
| $25.3K | ﹤0.01% |
18,900
-700
| -4% | -$1.04K |
|
|
BULG
12575
Leverage Shares 2X Long BULL Daily ETF
BULG
$7.02M
| $25.2K | ﹤0.01% |
1,212
-1,694
| -58% | -$73.7K |
|
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.