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 | |
|---|---|---|---|---|---|---|
2701
CALL
Aehr Test Systems
AEHR
$4.37B
| $14.4M | ﹤0.01% |
389,100
-159,400
| -29% | -$5.1M |
|
2702
Hims & Hers Health
HIMS
$6.57B
| $14.4M | ﹤0.01% |
694,774
-1,265,136
| -65% | -$29.9M |
|
2703
Newell Brands
NWL
$2.66B
| $14.4M | ﹤0.01% |
4,199,087
+619,085
| +17% | +$2.6M |
|
2704
PUT
QuantumScape Corp
QS
$3.81B
| $14.4M | ﹤0.01% |
2,257,200
-647,500
| -22% | -$5.38M |
|
|
CPRX
2705
DELISTED
Catalyst Pharmaceutical
CPRX
| $14.4M | ﹤0.01% |
581,093
+272,622
| +88% | +$6.49M |
|
2706
CALL
FMC
FMC
$1.27B
| $14.4M | ﹤0.01% |
835,500
-254,400
| -23% | -$3.8M |
|
2707
PUT
HF Sinclair
DINO
$16.7B
| $14.4M | ﹤0.01% |
230,500
+30,600
| +15% | +$1.66M |
|
2708
CALL
Direxion Daily MSCI South Korea Bull 3X ETF
KORU
$1.69B
| $14.4M | ﹤0.01% |
1,012,000
+902,000
| +820% | +$16.3M |
|
2709
CALL
iShares Expanded Tech Sector ETF
IGM
$10.9B
| $14.4M | ﹤0.01% |
121,200
+57,700
| +91% | +$7.26M |
|
2710
Abercrombie & Fitch
ANF
$4.8B
| $14.4M | ﹤0.01% |
157,200
-371,501
| -70% | -$36.1M |
|
2711
CALL
Sibanye-Stillwater
SBSW
$7.62B
| $14.4M | ﹤0.01% |
1,165,800
-481,500
| -29% | -$7.5M |
|
2712
nCino
NCNO
$2.28B
| $14.4M | ﹤0.01% |
958,496
+646,285
| +207% | +$12.1M |
|
2713
PUT
Trip.com Group
TCOM
$28.3B
| $14.3M | ﹤0.01% |
288,000
+130,000
| +82% | +$7.58M |
|
2714
Trevi Therapeutics
TRVI
$2.63B
| $14.3M | ﹤0.01% |
1,201,489
+1,048,634
| +686% | +$11.7M |
|
2715
iShares MSCI Pacific ex Japan ETF
EPP
$2.24B
| $14.3M | ﹤0.01% |
269,509
+66,442
| +33% | +$3.57M |
|
2716
PUT
Everest Group
EG
$14.2B
| $14.3M | ﹤0.01% |
43,800
+21,700
| +98% | +$7.14M |
|
2717
PUT
Sysco
SYY
$39.7B
| $14.3M | ﹤0.01% |
200,400
+2,100
| +1% | +$174K |
|
2718
Chord Energy
CHRD
$7.51B
| $14.3M | ﹤0.01% |
100,391
+35,398
| +54% | +$3.86M |
|
2719
CALL
Aon
AON
$75.5B
| $14.3M | ﹤0.01% |
44,200
+8,000
| +22% | +$2.66M |
|
2720
Fidelity National Financial
FNF
$13.3B
| $14.3M | ﹤0.01% |
307,433
-135,807
| -31% | -$7.05M |
|
2721
Old Republic International
ORI
$10.3B
| $14.2M | ﹤0.01% |
356,993
+223,313
| +167% | +$9.18M |
|
2722
ARS Pharmaceuticals
SPRY
$562M
| $14.2M | ﹤0.01% |
1,773,188
-181,284
| -9% | -$1.74M |
|
2723
PUT
Fidelity Wise Origin Bitcoin Fund
FBTC
$11.7B
| $14.2M | ﹤0.01% |
241,000
+10,900
| +5% | +$725K |
|
2724
CALL
Old Dominion Freight Line
ODFL
$43.7B
| $14.2M | ﹤0.01% |
72,700
-253,000
| -78% | -$47.2M |
|
2725
CALL
Alamos Gold
AGI
$14B
| $14.2M | ﹤0.01% |
319,500
+41,700
| +15% | +$1.84M |
|
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.