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 | |
|---|---|---|---|---|---|---|
576
Phillips 66
PSX
$92.8B
| $164M | 0.02% |
1,273,044
-117,392
| -8% | -$15.8M |
|
577
DT Midstream
DTM
$13.8B
| $164M | 0.02% |
1,372,178
+56,085
| +4% | +$6.44M |
|
578
PUT
AutoZone
AZO
$49.6B
| $164M | 0.02% |
48,300
+500
| +1% | +$1.89M |
|
579
CALL
Direxion Daily TSLA Bull 2X ETF
TSLL
$3.49B
| $164M | 0.02% |
8,560,500
-5,810,600
| -40% | -$116M |
|
580
Ares Capital
ARCC
$14.5B
| $163M | 0.02% |
8,077,163
+5,612,998
| +228% | +$113M |
|
581
Entergy
ETR
$49.9B
| $163M | 0.02% |
1,765,370
-478,381
| -21% | -$45.4M |
|
582
PUT
MP Materials
MP
$9.91B
| $163M | 0.02% |
3,225,800
-626,400
| -16% | -$39.7M |
|
583
Johnson & Johnson
JNJ
$632B
| $162M | 0.02% |
784,902
-545,257
| -41% | -$108M |
|
|
ONC
584
BeOne Medicines Ltd
ONC
$40.3B
| $162M | 0.02% |
533,517
+497,312
| +1,374% | +$163M |
|
585
MetLife
MET
$61.9B
| $162M | 0.02% |
2,052,700
+674,812
| +49% | +$53.4M |
|
586
CALL
Vistra
VST
$49.1B
| $162M | 0.02% |
1,003,700
-558,200
| -36% | -$102M |
|
587
Arthur J. Gallagher & Co
AJG
$65B
| $161M | 0.02% |
623,960
+512,742
| +461% | +$136M |
|
588
PUT
Roblox
RBLX
$27.1B
| $161M | 0.02% |
1,989,800
-882,900
| -31% | -$93.7M |
|
|
EXE
589
Expand Energy Corp
EXE
$21.9B
| $161M | 0.02% |
1,456,674
+449,269
| +45% | +$49.8M |
|
590
CALL
Nucor
NUE
$61.8B
| $161M | 0.02% |
985,400
+330,600
| +50% | +$49.7M |
|
591
PUT
Nu Holdings
NU
$67.3B
| $161M | 0.02% |
9,597,900
-4,325,300
| -31% | -$69.5M |
|
592
CALL
Elevance Health
ELV
$86.4B
| $160M | 0.02% |
455,300
-28,400
| -6% | -$9.6M |
|
593
HCA Healthcare
HCA
$89.1B
| $159M | 0.02% |
341,460
+263,650
| +339% | +$122M |
|
594
Mid-America Apartment Communities
MAA
$15.6B
| $159M | 0.02% |
1,146,574
+885,858
| +340% | +$118M |
|
595
McDonald's
MCD
$193B
| $159M | 0.02% |
518,932
+181,280
| +54% | +$55.5M |
|
|
SCHW
596
CALL
Charles Schwab
SCHW
$190B
| $159M | 0.02% |
1,586,900
+149,200
| +10% | +$14.2M |
|
597
PUT
Zscaler
ZS
$30.4B
| $158M | 0.02% |
703,400
-130,300
| -16% | -$36.8M |
|
598
CrowdStrike
CRWD
$230B
| $158M | 0.02% |
1,346,812
-111,612
| -8% | -$14.2M |
|
599
James Hardie Industries
JHX
$17.9B
| $158M | 0.02% |
7,602,079
+6,192,167
| +439% | +$124M |
|
600
Progressive
PGR
$121B
| $158M | 0.02% |
692,407
+439,594
| +174% | +$99.3M |
|
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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.