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 | |
|---|---|---|---|---|---|---|
9701
PUT
Kyverna Therapeutics
KYTX
$505M
| $362K | ﹤0.01% |
+38,500
| New | +$286K |
|
9702
Chegg
CHGG
$87.5M
| $362K | ﹤0.01% |
389,063
+343,346
| +751% | +$374K |
|
9703
CALL
America Movil
AMX
$70.3B
| $362K | ﹤0.01% |
17,500
-26,100
| -60% | -$574K |
|
9704
Landmark Bancorp
LARK
$196M
| $362K | ﹤0.01% |
13,811
-2,266
| -14% | -$59.3K |
|
|
HI
9705
CALL
DELISTED
Hillenbrand
HI
| $362K | ﹤0.01% |
11,400
-7,600
| -40% | -$234K |
|
9706
CALL
Ducommun
DCO
$3.13B
| $361K | ﹤0.01% |
3,800
-2,600
| -41% | -$242K |
|
9707
Nuveen ESG Mid-Cap Growth ETF
NUMG
$374M
| $361K | ﹤0.01% |
7,571
+2,011
| +36% | +$96.3K |
|
9708
PUT
Vertex
VERX
$2.06B
| $361K | ﹤0.01% |
+18,100
| New | +$392K |
|
|
NRT
9709
North European Oil Royalty Trust
NRT
$82M
| $361K | ﹤0.01% |
+54,822
| New | +$329K |
|
9710
Grid Dynamics Holdings
GDYN
$629M
| $360K | ﹤0.01% |
39,842
-190,037
| -83% | -$1.65M |
|
9711
CALL
New Jersey Resources
NJR
$5.64B
| $360K | ﹤0.01% |
+7,800
| New | +$360K |
|
9712
Invesco Variable Rate Preferred ETF
VRP
$3.01B
| $360K | ﹤0.01% |
+14,782
| New | +$363K |
|
9713
CALL
ePlus
PLUS
$2.31B
| $360K | ﹤0.01% |
4,100
-15,200
| -79% | -$1.25M |
|
9714
iShares ESG Optimized MSCI USA Min Vol Factor ETF
ESMV
$7.96M
| $359K | ﹤0.01% |
12,464
+1,395
| +13% | +$40.3K |
|
9715
Ranpak Holdings
PACK
$478M
| $359K | ﹤0.01% |
66,386
-373,771
| -85% | -$1.96M |
|
|
SECR
9716
IQ MacKay Securitized Income ETF
SECR
$166M
| $359K | ﹤0.01% |
13,956
-6,885
| -33% | -$180K |
|
|
PEW
9717
CALL
GrabAGun Digital Holdings
PEW
$75.3M
| $359K | ﹤0.01% |
119,300
-172,000
| -59% | -$686K |
|
9718
PUT
DT Midstream
DTM
$14B
| $359K | ﹤0.01% |
3,000
-1,000
| -25% | -$115K |
|
9719
T-Rex 2X Long Apple Daily Target ETF
AAPX
$8.26M
| $359K | ﹤0.01% |
+11,779
| New | +$361K |
|
9720
CALL
Weave Communications
WEAV
$437M
| $359K | ﹤0.01% |
47,300
+13,200
| +39% | +$87.7K |
|
9721
Invesco Equal Weight 0-30 Year Treasury ETF
GOVI
$1.22B
| $359K | ﹤0.01% |
13,023
-6,236
| -32% | -$174K |
|
9722
CALL
Customers Bancorp
CUBI
$2.82B
| $358K | ﹤0.01% |
4,900
-3,800
| -44% | -$261K |
|
9723
CALL
LifeMD
LFMD
$166M
| $358K | ﹤0.01% |
105,000
-27,400
| -21% | -$133K |
|
9724
PUT
WEX
WEX
$6.54B
| $358K | ﹤0.01% |
2,400
-2,300
| -49% | -$347K |
|
9725
CALL
Nexa Resources
NEXA
$1.88B
| $358K | ﹤0.01% |
+40,400
| New | +$263K |
|
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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.