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 | |
|---|---|---|---|---|---|---|
10151
PUT
Ingredion
INGR
$6.6B
| $338K | ﹤0.01% |
+3,000
| New | +$344K |
|
10152
CALL
Hawkins
HWKN
$2.71B
| $338K | ﹤0.01% |
2,200
+300
| +16% | +$43.9K |
|
10153
CALL
Trinity Industries
TRN
$2.29B
| $338K | ﹤0.01% |
10,500
-55,300
| -84% | -$1.7M |
|
10154
CALL
Cohen & Steers
CNS
$4.34B
| $338K | ﹤0.01% |
5,400
+100
| +2% | +$6.52K |
|
|
RGLO
10155
Russell Investments Global Equity ETF
RGLO
$357M
| $338K | ﹤0.01% |
+11,654
| New | +$350K |
|
|
WULX
10156
Tradr 2X Long WULF Daily ETF
WULX
$18M
| $338K | ﹤0.01% |
17,656
-29,029
| -62% | -$677K |
|
10157
CALL
Archrock
AROC
$5.78B
| $338K | ﹤0.01% |
9,700
-65,200
| -87% | -$2.08M |
|
|
XRPT
10158
PUT
Volatility Shares Trust XRP 2X ETF
XRPT
$45M
| $337K | ﹤0.01% |
8,375
+5,835
| +230% | +$409K |
|
10159
Princeton Bancorp
BPRN
$290M
| $337K | ﹤0.01% |
+9,980
| New | +$349K |
|
10160
PUT
BJ's Restaurants
BJRI
$1.44B
| $337K | ﹤0.01% |
9,600
-6,200
| -39% | -$248K |
|
10161
Barnes & Noble Education
BNED
$435M
| $337K | ﹤0.01% |
38,144
-14,164
| -27% | -$123K |
|
10162
CALL
QuickLogic
QUIK
$259M
| $337K | ﹤0.01% |
35,900
+4,400
| +14% | +$35.9K |
|
10163
PUT
Invesco DB US Dollar Index Bearish Fund
UDN
$109M
| $337K | ﹤0.01% |
18,700
+7,900
| +73% | +$144K |
|
10164
Orchestra BioMed
OBIO
$264M
| $337K | ﹤0.01% |
79,185
+49,010
| +162% | +$209K |
|
10165
BondBloxx BBB Rated 1-5 Year Corporate Bond ETF
BBBS
$180M
| $337K | ﹤0.01% |
6,580
-110,922
| -94% | -$5.71M |
|
10166
JPMorgan Global Select Equity ETF
JGLO
$6.8B
| $336K | ﹤0.01% |
5,155
-95,267
| -95% | -$6.48M |
|
10167
CALL
Invesco S&P 500 High Beta ETF
SPHB
$931M
| $336K | ﹤0.01% |
+2,900
| New | +$351K |
|
10168
CALL
Outset Medical
OM
$90.6M
| $336K | ﹤0.01% |
+87,500
| New | +$359K |
|
10169
CALL
PRA Group
PRAA
$706M
| $336K | ﹤0.01% |
19,200
+7,600
| +66% | +$116K |
|
10170
PUT
ARKO Corp
ARKO
$495M
| $336K | ﹤0.01% |
+60,400
| New | +$337K |
|
|
FRMM
10171
CALL
Forum Markets
FRMM
$82.6M
| $336K | ﹤0.01% |
116,180
-148,330
| -56% | -$566K |
|
10172
PUT
Columbus McKinnon
CMCO
$564M
| $336K | ﹤0.01% |
+23,100
| New | +$431K |
|
10173
PUT
Zymeworks
ZYME
$1.73B
| $336K | ﹤0.01% |
13,400
-17,200
| -56% | -$407K |
|
10174
Oramed Pharmaceuticals
ORMP
$177M
| $335K | ﹤0.01% |
98,629
-97,391
| -50% | -$330K |
|
10175
CALL
Energy Recovery
ERII
$394M
| $335K | ﹤0.01% |
33,300
-18,200
| -35% | -$238K |
|
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.