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 | |
|---|---|---|---|---|---|---|
2876
Delta Air Lines
DAL
$58.8B
| $12.7M | ﹤0.01% |
190,809
-106,335
| -36% | -$7.16M |
|
2877
PUT
Joby Aviation
JOBY
$7.83B
| $12.7M | ﹤0.01% |
1,535,700
+91,700
| +6% | +$1.03M |
|
2878
Wabtec
WAB
$50.5B
| $12.7M | ﹤0.01% |
50,723
-205,712
| -80% | -$49.7M |
|
2879
PUT
Invesco CurrencyShares Euro Currency Trust
FXE
$342M
| $12.7M | ﹤0.01% |
118,700
-107,400
| -48% | -$11.6M |
|
2880
CALL
Teucrium Wheat Fund
WEAT
$305M
| $12.7M | ﹤0.01% |
537,260
+502,160
| +1,431% | +$10.8M |
|
|
KRMN
2881
Karman Holdings
KRMN
$8.22B
| $12.7M | ﹤0.01% |
158,128
+84,037
| +113% | +$8.1M |
|
2882
CALL
Norfolk Southern
NSC
$75.1B
| $12.7M | ﹤0.01% |
44,100
-12,900
| -23% | -$3.83M |
|
2883
PUT
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$4.19B
| $12.7M | ﹤0.01% |
218,400
+24,800
| +13% | +$1.55M |
|
2884
Expedia Group
EXPE
$39.9B
| $12.6M | ﹤0.01% |
54,716
-164,110
| -75% | -$40.3M |
|
2885
PUT
Plains All American Pipeline
PAA
$16.9B
| $12.6M | ﹤0.01% |
565,700
-303,200
| -35% | -$6.17M |
|
2886
CALL
Shake Shack
SHAK
$3.02B
| $12.6M | ﹤0.01% |
142,700
-186,800
| -57% | -$17.2M |
|
2887
PUT
InterDigital
IDCC
$8.87B
| $12.6M | ﹤0.01% |
41,800
-9,500
| -19% | -$3.23M |
|
2888
Brookfield Infrastructure
BIPC
$4.97B
| $12.6M | ﹤0.01% |
319,410
+93,081
| +41% | +$4.27M |
|
2889
Beam Therapeutics
BEAM
$2.76B
| $12.6M | ﹤0.01% |
528,970
+273,260
| +107% | +$7.58M |
|
2890
Allegro MicroSystems
ALGM
$8.27B
| $12.6M | ﹤0.01% |
399,444
-2,161,076
| -84% | -$74.5M |
|
2891
PUT
Fluor
FLR
$7B
| $12.6M | ﹤0.01% |
269,400
-576,900
| -68% | -$26.9M |
|
2892
CALL
NEOS Nasdaq 100 High Income ETF
QQQI
$14.1B
| $12.6M | ﹤0.01% |
252,700
+180,000
| +248% | +$9.47M |
|
2893
PUT
Weyerhaeuser
WY
$17.7B
| $12.6M | ﹤0.01% |
513,800
-5,400
| -1% | -$136K |
|
2894
Reliance Steel & Aluminium
RS
$21.8B
| $12.5M | ﹤0.01% |
41,289
-86,205
| -68% | -$27.4M |
|
2895
iShares US Technology ETF
IYW
$25.6B
| $12.5M | ﹤0.01% |
69,158
+59,834
| +642% | +$11.6M |
|
|
CTLP
2896
DELISTED
Cantaloupe
CTLP
| $12.5M | ﹤0.01% |
+1,159,141
| New | +$12.2M |
|
2897
Valmont Industries
VMI
$9.56B
| $12.5M | ﹤0.01% |
31,354
+18,795
| +150% | +$8.21M |
|
2898
Arvinas
ARVN
$587M
| $12.5M | ﹤0.01% |
1,180,988
+767,342
| +186% | +$9.5M |
|
2899
PUT
Check Point Software Technologies
CHKP
$13.4B
| $12.5M | ﹤0.01% |
87,600
-29,400
| -25% | -$4.92M |
|
2900
Magnite
MGNI
$3.55B
| $12.5M | ﹤0.01% |
1,052,908
+508,590
| +93% | +$6.82M |
|
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.