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Thomas Steyer

Thomas Steyer Farallon Capital Management

AUM $21.7B Turnover 63.92%
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
+33.18%
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
$21.7B
AUM Growth
+$2.61B
Cap. Flow
-$3.46B
Cap. Flow %
-15.95%
Top 10 Hldgs %
62.14%
Holding
194
New
19
Increased
30
Reduced
23
Closed
105
Avg Time Held Equity + Options
1.9 years
Top 10 Avg Time Held Equity + Options
0.5 years
Top 20 Avg Time Held Equity + Options
1 year
Avg Time Held Equity only
2 years
Top 10 Avg Time Held Equity only
0.8 years
Top 20 Avg Time Held Equity only
1.4 years

Top Buys

Rank Stock Value
1
BSX icon
Boston Scientific
BSX
+$166M
2
ROIV icon
Roivant Sciences
ROIV
+$137M
3
IMVT icon
Immunovant
IMVT
+$130M
4
BBIO icon
BridgeBio Pharma
BBIO
+$96.5M
5
BIDU icon
Baidu
BIDU
+$94.1M

Top Sells

Rank Stock Value
1
MSFT icon
Microsoft
MSFT
+$498M
2
AMZN icon
Amazon
AMZN
+$398M
3
SCHW icon
Charles Schwab
SCHW
+$372M
4
AON icon
Aon
AON
+$365M
5
GOOG icon
Alphabet (Google) Class C
GOOG
+$286M

Sector Composition

Rank Sector Weight
1 Healthcare 54.84%
2 Miscellaneous 21.83%
3 Communication Services 8.41%
4 Technology 5.7%
5 Financials 3.99%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow Held Since
SPY icon
1
PUT
State Street SPDR S&P 500 ETF Trust
SPY
$806B
$4.48B 20.67%
6,000,000
+3,700,000
+161% +$2.68B
2025 Q3
3 quarters
RVMD icon
2
Revolution Medicines
RVMD
$38.1B
$2.54B 11.71%
13,550,796
-54,000
-0.4% -$7.89M
2021 Q1
21 quarters
EA icon
3
DELISTED
Electronic Arts
EA
$1.62B 7.49%
7,919,500
+449,500
+6% +$91M
2025 Q4
2 quarters
BBIO icon
4
BridgeBio Pharma
BBIO
$13B
$800M 3.69%
10,743,063
+1,377,600
+15% +$96.5M
2024 Q3
7 quarters
PTGX icon
5
Protagonist Therapeutics
PTGX
$8.33B
$778M 3.59%
6,348,906
– –
2017 Q4
34 quarters
EXEL icon
6
Exelixis
EXEL
$15.4B
$733M 3.38%
13,468,010
+357,000
+3% +$17.4M
2018 Q3
31 quarters
LQDA icon
7
Liquidia Corp
LQDA
$3.07B
$667M 3.08%
8,365,038
-291,000
-3% -$15.6M
2024 Q1
9 quarters
AMZN icon
8
Amazon
AMZN
$2.7T
$628M 2.9%
2,632,994
-1,585,400
-38% -$398M
2025 Q2
4 quarters
LNTH icon
9
Lantheus
LNTH
$6.51B
$619M 2.86%
5,583,479
– –
2023 Q1
13 quarters
NTRA icon
10
Natera
NTRA
$56.7B
$602M 2.78%
2,218,366
-989,000
-31% -$211M
2021 Q2
20 quarters
UNH icon
11
UnitedHealth
UNH
$360B
$528M 2.44%
1,270,532
-551,174
-30% -$204M
2023 Q1
13 quarters
TMO icon
12
Thermo Fisher Scientific
TMO
$255B
$526M 2.43%
1,049,185
+167,700
+19% +$80.5M
2019 Q4
26 quarters
ROIV icon
13
Roivant Sciences
ROIV
$24.2B
$506M 2.34%
14,309,000
+4,634,000
+48% +$137M
2023 Q2
12 quarters
AON icon
14
Aon
AON
$62.1B
$459M 2.12%
1,382,562
-1,130,076
-45% -$365M
2024 Q1
9 quarters
BSX icon
15
Boston Scientific
BSX
$64.3B
$449M 2.07%
10,521,184
+3,050,500
+41% +$166M
2020 Q3
23 quarters
AVGO icon
16
Broadcom
AVGO
$1.57T
$435M 2.01%
1,151,800
-627,700
-35% -$252M
2025 Q4
2 quarters
MSFT icon
17
Microsoft
MSFT
$3.93T
$415M 1.92%
1,112,863
-1,231,916
-53% -$498M
2013 Q3
51 quarters
TNGX icon
18
Tango Therapeutics
TNGX
$3.72B
$384M 1.77%
12,277,000
+3,179,589
+35% +$78.6M
2024 Q4
6 quarters
KKR icon
19
KKR & Co
KKR
$77.4B
$378M 1.74%
4,118,300
-553,500
-12% -$53.7M
2025 Q4
2 quarters
SNPS icon
20
Synopsys
SNPS
$87.1B
$370M 1.71%
829,600
-383,700
-32% -$180M
2025 Q4
2 quarters
BEAM icon
21
Beam Therapeutics
BEAM
$2.42B
$351M 1.62%
10,236,396
+101,700
+1% +$3.07M
2021 Q1
21 quarters
CRNX icon
22
DELISTED
Crinetics Pharmaceuticals
CRNX
$336M 1.55%
8,989,098
+651,000
+8% +$24.2M
2023 Q3
11 quarters
GRAL icon
23
GRAIL Inc
GRAL
$5.26B
$284M 1.31%
4,161,584
+907,900
+28% +$53.5M
2025 Q2
4 quarters
WAB icon
24
Wabtec
WAB
$48.4B
$241M 1.11%
894,503
-714,900
-44% -$189M
2017 Q1
37 quarters
IMVT icon
25
Immunovant
IMVT
$5.52B
$224M 1.03%
5,805,000
+4,259,000
+275% +$130M
2024 Q2
8 quarters

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Thomas Steyer's Q2 2026 Portfolio in Review

As of Q2 2026, Thomas Steyer held 194 positions worth $21.7B, up 14% from $19.1B the previous quarter. Its ten largest holdings account for 62% of the portfolio.

Thomas Steyer withdrew a net $3.46B in Q2 2026, closing 105 positions and reducing 23 holdings. Its most notable exit was Charles Schwab, an estimated $372M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 55% of assets, up from 47% a quarter earlier, followed by Miscellaneous and Communication Services.

Against the trend, Thomas Steyer opened a new position in Parabilis Medicines Inc worth $64.8M.

  • Thomas Steyer's largest Q2 2026 buy was Parabilis Medicines Inc: 2,368,200 shares worth $64.8M.
  • Thomas Steyer added most to Boston Scientific in Q2 2026, an estimated $166M increase.
  • Thomas Steyer's biggest Q2 2026 reduction was Microsoft, cutting an estimated $498M.
  • Thomas Steyer fully exited Charles Schwab in Q2 2026, selling an estimated $372M.
  • Thomas Steyer's ten largest holdings make up 62% of its $21.7B portfolio in Q2 2026.
  • Thomas Steyer opened 19 new positions and closed 105 in Q2 2026.
  • Thomas Steyer's portfolio value rose 14% quarter-over-quarter to $21.7B.

Based on Farallon Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.