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 |
Amazon
AMZN
|
+$2.49B |
| 2 |
NVIDIA
NVDA
|
+$2.19B |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.94B |
| 4 |
TSMC
TSM
|
+$728M |
| 5 |
UnitedHealth
UNH
|
+$705M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$775M |
| 2 |
AbbVie
ABBV
|
+$540M |
| 3 |
Delta Air Lines
DAL
|
+$434M |
| 4 |
Eli Lilly
LLY
|
+$433M |
| 5 |
DexCom
DXCM
|
+$433M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.89% |
| 2 | Healthcare | 2.92% |
| 3 | Financials | 2.71% |
| 4 | Consumer Discretionary | 2.52% |
| 5 | Industrials | 2.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3551
CALL
Roivant Sciences
ROIV
$26.1B
| $7.87M | ﹤0.01% |
362,800
+110,100
| +44% | +$2.17M |
|
|
STUB
3552
StubHub Holdings
STUB
$3.09B
| $7.87M | ﹤0.01% |
581,744
-945,203
| -62% | -$14.9M |
|
3553
W.R. Berkley
WRB
$26.2B
| $7.87M | ﹤0.01% |
112,250
+23,244
| +26% | +$1.71M |
|
3554
CALL
Viasat
VSAT
$11.4B
| $7.87M | ﹤0.01% |
228,300
-44,700
| -16% | -$1.58M |
|
3555
PUT
Signet Jewelers
SIG
$3.52B
| $7.86M | ﹤0.01% |
94,800
-6,100
| -6% | -$579K |
|
3556
CALL
Black Hills Corp
BKH
$5.66B
| $7.85M | ﹤0.01% |
113,100
+89,700
| +383% | +$6.05M |
|
3557
CALL
Direxion Daily AMZN Bull 2X ETF
AMZU
$309M
| $7.84M | ﹤0.01% |
224,400
+30,900
| +16% | +$1.12M |
|
|
JBS
3558
PUT
JBS N.V.
JBS
$44.9B
| $7.84M | ﹤0.01% |
543,700
+103,500
| +24% | +$1.42M |
|
3559
PUT
Papa John's
PZZA
$799M
| $7.84M | ﹤0.01% |
203,600
-34,200
| -14% | -$1.51M |
|
3560
Tencent Music
TME
$14.5B
| $7.81M | ﹤0.01% |
445,309
-806,873
| -64% | -$16.4M |
|
3561
Teladoc Health
TDOC
$1.24B
| $7.8M | ﹤0.01% |
1,114,532
-103,673
| -9% | -$812K |
|
3562
Blackstone Secured Lending
BXSL
$5.75B
| $7.78M | ﹤0.01% |
295,615
-213,306
| -42% | -$5.73M |
|
3563
Shift4
FOUR
$3.58B
| $7.77M | ﹤0.01% |
123,445
+101,756
| +469% | +$7.19M |
|
3564
WaFd
WAFD
$2.81B
| $7.77M | ﹤0.01% |
242,644
+62,994
| +35% | +$1.95M |
|
3565
Box
BOX
$4.52B
| $7.77M | ﹤0.01% |
259,686
-112,461
| -30% | -$3.53M |
|
3566
PUT
Camtek
CAMT
$7.72B
| $7.76M | ﹤0.01% |
73,000
-1,800
| -2% | -$202K |
|
3567
First Trust Value Line Dividend Fund
FVD
$8.41B
| $7.76M | ﹤0.01% |
168,443
+10,138
| +6% | +$465K |
|
3568
CALL
Redwire
RDW
$3.39B
| $7.76M | ﹤0.01% |
1,021,000
+547,400
| +116% | +$4.02M |
|
3569
PUT
Raymond James Financial
RJF
$34.8B
| $7.76M | ﹤0.01% |
48,300
-6,500
| -12% | -$1.05M |
|
3570
PUT
Westlake Corp
WLK
$10.2B
| $7.76M | ﹤0.01% |
104,900
+87,300
| +496% | +$6.21M |
|
3571
CALL
Protagonist Therapeutics
PTGX
$10B
| $7.76M | ﹤0.01% |
88,800
+63,600
| +252% | +$5.21M |
|
3572
PUT
Wabtec
WAB
$50.5B
| $7.75M | ﹤0.01% |
36,300
-10,600
| -23% | -$2.18M |
|
3573
CALL
Roper Technologies
ROP
$39.5B
| $7.75M | ﹤0.01% |
17,400
+4,200
| +32% | +$1.95M |
|
3574
Arrow Electronics
ARW
$10.9B
| $7.74M | ﹤0.01% |
+70,271
| New | +$7.98M |
|
3575
Forward Air
FWRD
$640M
| $7.74M | ﹤0.01% |
309,598
+236,115
| +321% | +$5.31M |
|
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Ken Griffin's Q4 2025 Portfolio in Review
As of Q4 2025, Ken Griffin held 14,701 positions worth $666B, up 1.3% from $657B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin's Q4 2025 filing shows 2,078 new, 5,000 increased, 5,362 reduced and 2,191 closed positions. Its largest new stake was Medline Inc: 6,006,339 shares worth $252M. The largest sale was Meta Platforms (Facebook), an estimated $775M.
By sector, the portfolio is most concentrated in Technology at 4.9% of assets, up from 3.8% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q4 2025 buy was Medline Inc: 6,006,339 shares worth $252M.
- Ken Griffin added most to Amazon in Q4 2025, an estimated $2.49B increase.
- Ken Griffin's biggest Q4 2025 reduction was Meta Platforms (Facebook), cutting an estimated $775M.
- Ken Griffin fully exited WEX in Q4 2025, selling an estimated $131M.
- Ken Griffin's ten largest holdings make up 23% of its $666B portfolio in Q4 2025.
- Ken Griffin opened 2,078 new positions and closed 2,191 in Q4 2025.
- Ken Griffin's portfolio value rose 1.3% quarter-over-quarter to $666B.
Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.