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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
ABVX icon
51
Abivax
ABVX
$8.16B
$16.3M 0.08%
122,000
+120,000
+6,000% +$13.6M
2025 Q3
3 quarters
VNET icon
52
VNET Group
VNET
$1.18B
$16M 0.07%
1,992,000
+1,368,653
+220% +$12.4M
2022 Q3
15 quarters
NTES icon
53
NetEase
NTES
$78.7B
$15.8M 0.07%
123,500
-167,719
-58% -$19.8M
2026 Q1
1 quarter
BIIB icon
54
Biogen
BIIB
$35.6B
$15.3M 0.07%
+71,000
New +$13.6M
2026 Q2
0 quarters
TSHA icon
55
Taysha Gene Therapies
TSHA
$1.34B
$15.3M 0.07%
+2,250,000
New +$13.3M
2026 Q2
0 quarters
MOBI icon
56
Mobia Medical
MOBI
$321M
$15.1M 0.07%
+1,128,557
New +$14.6M
2026 Q2
0 quarters
NERV icon
57
Minerva Neurosciences
NERV
$114M
$13.1M 0.06%
2,365,000
– –
2025 Q4
2 quarters
ALMR icon
58
Alamar Biosciences
ALMR
$2.18B
$12.5M 0.06%
+462,900
New +$10.5M
2026 Q2
0 quarters
ALVO icon
59
Alvotech
ALVO
$1.83B
$10.6M 0.05%
2,859,675
+2,660,000
+1,332% +$9.5M
2024 Q3
7 quarters
BBNX icon
60
Beta Bionics
BBNX
$993M
$9.32M 0.04%
595,000
-3,012,920
-84% -$35.8M
2025 Q1
5 quarters
IFRX icon
61
InflaRx
IFRX
$228M
$7.45M 0.03%
+3,325,000
New +$6.25M
2026 Q2
0 quarters
SMG icon
62
ScottsMiracle-Gro
SMG
$3.26B
$5.99M 0.03%
+88,000
New +$5.45M
2026 Q2
0 quarters
WAY icon
63
Waystar Holding Corp
WAY
$5.53B
$5.44M 0.03%
+264,900
New +$5.57M
2026 Q2
0 quarters
BC icon
64
Brunswick
BC
$4.24B
$5.14M 0.02%
+61,000
New +$4.89M
2026 Q2
0 quarters
GNTX icon
65
Gentex
GNTX
$4.42B
$5.03M 0.02%
+199,000
New +$4.71M
2026 Q2
0 quarters
IDXX icon
66
Idexx Laboratories
IDXX
$43.6B
$4.74M 0.02%
+9,000
New +$5.05M
2026 Q2
0 quarters
PRME icon
67
Prime Medicine
PRME
$691M
$4.58M 0.02%
1,240,843
– –
2024 Q1
9 quarters
CMC icon
68
Commercial Metals
CMC
$7.11B
$4.2M 0.02%
+67,000
New +$4.71M
2026 Q2
0 quarters
JATT icon
69
JATT II Acquisition Corp
JATT
$81.5M
$3.41M 0.02%
+300,000
New +$3.19M
2026 Q2
0 quarters
SGMT icon
70
Sagimet Biosciences
SGMT
$708M
$3.21M 0.01%
+415,000
New +$2.82M
2026 Q2
0 quarters
SMC icon
71
Summit Midstream
SMC
$422M
$1.66M 0.01%
58,214
– –
2022 Q1
17 quarters
TEVA icon
72
Teva Pharmaceutical Industries Limited
TEVA
$47.4B
$1.36M 0.01%
40,000
-314,000
-89% -$10.5M
2025 Q3
3 quarters
RVMDW icon
73
Revolution Medicines Inc Warrant
RVMDW
$114M
$1.13M 0.01%
120,085
– –
2023 Q4
10 quarters
COGT icon
74
Cogent Biosciences
COGT
$5.45B
$658K ﹤0.01%
17,000
– –
2020 Q4
22 quarters
ANNAW icon
75
AleAnna Inc Warrant
ANNAW
$8.52M
$297K ﹤0.01%
990,000
– –
2024 Q4
6 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.