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Thomas Steyer Farallon Capital Management

AUM $21.7B
1-Year Est. Return 79.24%
 

Thomas Steyer founded Farallon Capital Management, a pioneering multi-strategy firm spanning credit, equities, real estate, and event-driven investing. Farallon became known for rigorous research and opportunistic capital allocation across cycles. Although Steyer later focused on public advocacy, the Farallon name remains important in hedge fund history and ongoing 13F tracking.

This Fund
S&P 500
This Quarter Est. Return
-0.07%
1 Year Est. Return
+79.24%
3 Year Est. Return
+204.51%
5 Year Est. Return
+270.91%
10 Year Est. Return
+1,884.18%
AUM
$19.1B
AUM Growth
-$4.04B
Cap. Flow
-$3.24B
Cap. Flow %
-16.98%
Top 10 Hldgs %
50.33%
Holding
204
New
48
Increased
30
Reduced
30
Closed
31

Top Buys

Rank Stock Value
1
EA
Electronic Arts
EA
+$492M
2
AVGO icon
Broadcom
AVGO
+$292M
3
KKR icon
KKR & Co
KKR
+$280M
4
ROIV icon
Roivant Sciences
ROIV
+$248M
5
MA icon
Mastercard
MA
+$138M

Top Sells

Rank Stock Value
1
EXAS
Exact Sciences
EXAS
+$650M
2
CYBR
CyberArk
CYBR
+$470M
3
CRM icon
Salesforce
CRM
+$334M
4
NDAQ icon
Nasdaq
NDAQ
+$290M
5
RNAM
Avidity Biosciences
RNAM
+$233M

Sector Composition

Rank Sector Weight
1 Healthcare 46.53%
2 Communication Services 11.31%
3 Financials 11.23%
4 Technology 10.28%
5 Consumer Discretionary 4.69%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LFUS icon
76
Littelfuse
LFUS
$10.5B
$5.09M 0.03%
+15,000
New +$4.87M
PIPR icon
77
Piper Sandler
PIPR
$5.3B
$5.05M 0.03%
+66,000
New +$5.42M
AIR icon
78
AAR Corp
AIR
$5.43B
$5.04M 0.03%
+46,000
New +$4.95M
RIO icon
79
Rio Tinto
RIO
$171B
$5.02M 0.03%
+53,800
New +$4.9M
GTX icon
80
Garrett Motion
GTX
$4.96B
$5M 0.03%
+275,000
New +$5.13M
ROL icon
81
Rollins
ROL
$17.8B
$4.97M 0.03%
+93,000
New +$5.53M
AFRM icon
82
Affirm
AFRM
$25.8B
$4.95M 0.03%
+108,000
New +$6.24M
INTR icon
83
Inter&Co
INTR
$2.38B
$4.89M 0.03%
+614,500
New +$5.33M
CMI icon
84
Cummins
CMI
$80.9B
$4.84M 0.03%
+9,000
New +$5.09M
FISV
85
Fiserv Inc
FISV
$28B
$4.8M 0.03%
+86,000
New +$5.32M
VRT icon
86
Vertiv
VRT
$101B
$4.76M 0.03%
+19,000
New +$4.22M
AMKR icon
87
Amkor Technology
AMKR
$12.5B
$4.68M 0.02%
104,000
-360,000
-78% -$17.2M
RNA
88
Atrium Therapeutics
RNA
$226M
$4.67M 0.02%
+349,360
New +$4.91M
GFS icon
89
GlobalFoundries
GFS
$26.4B
$4.67M 0.02%
+105,000
New +$4.63M
MOH icon
90
Molina Healthcare
MOH
$10.5B
$4.67M 0.02%
+35,000
New +$5.57M
IRD
91
Opus Genetics
IRD
$337M
$4.55M 0.02%
+1,000,000
New +$3.46M
TENB icon
92
Tenable Holdings
TENB
$3.79B
$4.48M 0.02%
+265,000
New +$5.56M
PRME icon
93
Prime Medicine
PRME
$615M
$4.32M 0.02%
1,240,843
– –
NOW icon
94
ServiceNow
NOW
$133B
$4.29M 0.02%
+41,000
New +$4.82M
SMC
95
Summit Midstream
SMC
$470M
$1.76M 0.01%
58,214
– –
MDGL icon
96
Madrigal Pharmaceuticals
MDGL
$11.9B
$1.74M 0.01%
3,319
– –
CAPR icon
97
Capricor Therapeutics
CAPR
$366M
$1.25M 0.01%
41,000
– –
ARWR icon
98
Arrowhead Research
ARWR
$12.3B
$991K 0.01%
15,800
– –
ANNAW
99
AleAnna Inc Warrant
ANNAW
$7.3M
$802K ﹤0.01%
990,000
– –
GH icon
100
Guardant Health
GH
$22.9B
$739K ﹤0.01%
8,000
-101,000
-93% -$10.1M
2 3
4
5 6

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ETC
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Thomas Steyer's Q1 2026 Portfolio in Review

As of Q1 2026, Thomas Steyer held 204 positions worth $19.1B, down 17% from $23.1B the previous quarter. Its ten largest holdings account for 50% of the portfolio.

Thomas Steyer withdrew a net $3.24B in Q1 2026, closing 31 positions and reducing 30 holdings. Its most notable exit was Exact Sciences, an estimated $650M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 47% of assets, up from 41% a quarter earlier, followed by Communication Services and Financials.

Against the trend, Thomas Steyer opened a new position in Dianthus Therapeutics worth $70.2M.

  • Thomas Steyer's largest Q1 2026 buy was Dianthus Therapeutics: 836,000 shares worth $70.2M.
  • Thomas Steyer added most to Electronic Arts in Q1 2026, an estimated $492M increase.
  • Thomas Steyer's biggest Q1 2026 reduction was Wabtec, cutting an estimated $210M.
  • Thomas Steyer fully exited Exact Sciences in Q1 2026, selling an estimated $650M.
  • Thomas Steyer's ten largest holdings make up 50% of its $19.1B portfolio in Q1 2026.
  • Thomas Steyer opened 48 new positions and closed 31 in Q1 2026.
  • Thomas Steyer's portfolio value fell 17% quarter-over-quarter to $19.1B.

Based on Farallon Capital Management's 13F filing for Q1 2026, filed 15 May 2026.