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 | |
|---|---|---|---|---|---|---|
951
First American
FAF
$7.56B
| $86.6M | 0.01% |
1,408,738
+478,403
| +51% | +$30M |
|
952
Crocs
CROX
$6.36B
| $86.5M | 0.01% |
1,010,902
+591,729
| +141% | +$49.5M |
|
953
CALL
RH
RH
$3.4B
| $86.4M | 0.01% |
482,100
-190,700
| -28% | -$32.6M |
|
954
Alignment Healthcare
ALHC
$2.79B
| $85.7M | 0.01% |
4,340,866
-1,824,341
| -30% | -$32.8M |
|
955
CALL
Air Products & Chemicals
APD
$68B
| $85.6M | 0.01% |
346,700
+182,100
| +111% | +$46.2M |
|
956
PUT
Medtronic
MDT
$116B
| $85.5M | 0.01% |
889,900
+157,700
| +22% | +$15.3M |
|
957
Grab
GRAB
$15.1B
| $85.4M | 0.01% |
17,109,637
+6,515,312
| +61% | +$36M |
|
958
Eastman Chemical
EMN
$8.43B
| $85.1M | 0.01% |
1,333,092
+275,096
| +26% | +$17M |
|
959
CALL
IonQ
IONQ
$18.2B
| $84.9M | 0.01% |
1,891,100
-836,400
| -31% | -$46.9M |
|
960
PUT
Teradyne
TER
$64.2B
| $84.7M | 0.01% |
437,700
-32,700
| -7% | -$5.61M |
|
961
Darling Ingredients
DAR
$10.4B
| $84.5M | 0.01% |
2,348,108
-2,603,033
| -53% | -$88.1M |
|
962
Ondas Inc
ONDS
$5.08B
| $84.5M | 0.01% |
8,658,920
+2,510,283
| +41% | +$20.2M |
|
963
CALL
Deckers Outdoor
DECK
$12.7B
| $84.5M | 0.01% |
815,100
-124,200
| -13% | -$11.6M |
|
964
Amphenol
APH
$204B
| $84.3M | 0.01% |
624,065
-1,585,041
| -72% | -$212M |
|
965
CALL
CME Group
CME
$96.1B
| $84.2M | 0.01% |
308,500
+1,000
| +0.3% | +$272K |
|
966
CALL
Ferrari
RACE
$72.5B
| $84.2M | 0.01% |
227,800
+136,800
| +150% | +$54.7M |
|
967
Ball Corp
BALL
$16.4B
| $84.2M | 0.01% |
1,588,754
+661,507
| +71% | +$32.6M |
|
968
CALL
Zoom
ZM
$32.2B
| $84.1M | 0.01% |
974,600
-62,800
| -6% | -$5.29M |
|
969
PUT
Wynn Resorts
WYNN
$10.5B
| $84M | 0.01% |
698,400
-213,600
| -23% | -$26.4M |
|
|
CAI
970
Caris Life Sciences
CAI
$6.27B
| $84M | 0.01% |
+3,113,956
| New | +$87.7M |
|
|
TXNM
971
TXNM Energy Inc
TXNM
$5.91B
| $83.9M | 0.01% |
1,425,578
+418,545
| +42% | +$24.2M |
|
|
VSXY
972
Victoria's Secret
VSXY
$7.24B
| $83.9M | 0.01% |
1,547,943
+979,174
| +172% | +$38.9M |
|
973
PUT
Comcast
CMCSA
$92.9B
| $83.8M | 0.01% |
2,804,700
+1,747,100
| +165% | +$49.9M |
|
974
Crown Holdings
CCK
$12.9B
| $83.8M | 0.01% |
813,707
+519,685
| +177% | +$50.6M |
|
975
Elanco Animal Health
ELAN
$11.2B
| $83.7M | 0.01% |
3,698,126
-1,145,254
| -24% | -$24.9M |
|
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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.