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 | |
|---|---|---|---|---|---|---|
8951
PUT
Global X S&P 500 Covered Call ETF
XYLD
$3.28B
| $567K | ﹤0.01% |
14,500
-6,100
| -30% | -$247K |
|
8952
CALL
Brixmor Property Group
BRX
$9.09B
| $567K | ﹤0.01% |
+19,700
| New | +$556K |
|
8953
CALL
Nurix Therapeutics
NRIX
$2.69B
| $567K | ﹤0.01% |
36,600
+2,600
| +8% | +$43.1K |
|
8954
Burke & Herbert Financial Services Corp
BHRB
$1.49B
| $567K | ﹤0.01% |
9,096
+4,068
| +81% | +$263K |
|
|
AFCG
8955
AFC Gamma
AFCG
$62.7M
| $566K | ﹤0.01% |
200,850
+71,479
| +55% | +$178K |
|
|
EQPT
8956
CALL
EquipmentShare.com Inc
EQPT
$4.94B
| $566K | ﹤0.01% |
+27,800
| New | +$795K |
|
8957
CALL
Natural Gas Services Group
NGS
$474M
| $566K | ﹤0.01% |
15,000
-30,200
| -67% | -$1.1M |
|
8958
PUT
Sylvamo
SLVM
$1.58B
| $566K | ﹤0.01% |
13,400
+6,200
| +86% | +$290K |
|
8959
PUT
Bakkt Inc
BKKT
$329M
| $566K | ﹤0.01% |
76,900
-100,364
| -57% | -$1.19M |
|
8960
OP Bancorp
OPBK
$234M
| $566K | ﹤0.01% |
42,542
+11,465
| +37% | +$158K |
|
8961
YieldMax TSLA Option Income Strategy ETF
TSLY
$669M
| $565K | ﹤0.01% |
+18,855
| New | +$632K |
|
8962
Amerant Bancorp
AMTB
$1.14B
| $565K | ﹤0.01% |
25,637
+11,285
| +79% | +$242K |
|
|
AISP
8963
CALL
Airship AI Holdings
AISP
$69.6M
| $565K | ﹤0.01% |
249,900
+19,000
| +8% | +$53.8K |
|
|
LIEN
8964
Chicago Atlantic BDC
LIEN
$224M
| $565K | ﹤0.01% |
60,462
+27,678
| +84% | +$281K |
|
8965
FreightCar America
RAIL
$252M
| $564K | ﹤0.01% |
70,807
-120,797
| -63% | -$1.37M |
|
8966
CALL
Vontier
VNT
$4.61B
| $564K | ﹤0.01% |
15,900
+10,400
| +189% | +$400K |
|
8967
PUT
Grindr
GRND
$2.82B
| $563K | ﹤0.01% |
46,600
-89,900
| -66% | -$1.06M |
|
|
LOUP
8968
Innovator Deepwater Frontier Tech ETF
LOUP
$224M
| $563K | ﹤0.01% |
8,182
-13,871
| -63% | -$1.05M |
|
8969
CALL
Cullinan Oncology
CGEM
$1.26B
| $563K | ﹤0.01% |
39,600
-42,800
| -52% | -$550K |
|
8970
Oportun Financial
OPRT
$350M
| $563K | ﹤0.01% |
122,023
-150,388
| -55% | -$765K |
|
8971
PUT
Petrobras Class A
PBR.A
$103B
| $563K | ﹤0.01% |
30,000
+3,200
| +12% | +$47.4K |
|
8972
CALL
First Trust NYSE Arca Biotechnology Index Fund
FBT
$2.81B
| $562K | ﹤0.01% |
2,800
+1,800
| +180% | +$372K |
|
8973
CALL
Dianthus Therapeutics
DNTH
$6.07B
| $562K | ﹤0.01% |
+6,700
| New | +$388K |
|
8974
PUT
Paylocity
PCTY
$7.7B
| $562K | ﹤0.01% |
5,200
-2,700
| -34% | -$331K |
|
8975
CALL
Heritage Insurance Holdings
HRTG
$957M
| $562K | ﹤0.01% |
21,400
-88,500
| -81% | -$2.34M |
|
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.