Eric Mandelblatt Soroban Capital Partners
Eric Mandelblatt is the founder of Soroban Capital Partners, a fundamental long/short equity firm. Soroban is known for research-intensive positions and a flexible approach across sectors. Mandelblatt’s public portfolio is followed among large fundamental hedge fund managers.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Domino's
DPZ
|
+$985M |
| 2 |
Equifax
EFX
|
+$629M |
| 3 |
S&P Global
SPGI
|
+$566M |
| 4 |
Amazon
AMZN
|
+$538M |
| 5 |
Mastercard
MA
|
+$303M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Alphabet (Google) Class C
GOOG
|
+$454M |
| 2 |
Southern Company
SO
|
+$344M |
| 3 |
Brookfield
BN
|
+$263M |
| 4 |
TSMC
TSM
|
+$245M |
| 5 |
Union Pacific
UNP
|
+$242M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Financials | 5.49% |
| 2 | Technology | 5.15% |
| 3 | Consumer Discretionary | 5.12% |
| 4 | Industrials | 4.45% |
| 5 | Utilities | 3.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1
CALL
Microsoft
MSFT
$3.59T
| $22.2B | 42.88% |
+60,000,000
| New | +$25.1B |
|
2
CALL
Meta Platforms (Facebook)
META
$1.4T
| $11.4B | 22.09% |
+20,000,000
| New | +$12.8B |
|
|
3
CALL
Amazon
AMZN
$2.79T
| $4.17B | 8.04% |
20,000,000
+17,000,000
| +567% | +$3.74B |
|
|
4
Amazon
AMZN
$2.79T
| $1.74B | 3.36% |
8,367,474
+2,441,478
| +41% | +$538M |
|
|
5
Microsoft
MSFT
$3.59T
| $1.33B | 2.56% |
3,584,691
-302,444
| -8% | -$127M |
|
|
6
Mastercard
MA
$509B
| $1.23B | 2.38% |
2,464,499
+575,412
| +30% | +$303M |
|
7
TransDigm Group
TDG
$66.4B
| $992M | 1.92% |
856,197
+108,227
| +14% | +$142M |
|
|
8
Domino's
DPZ
$11.3B
| $895M | 1.73% |
+2,495,194
| New | +$985M |
|
9
Visa
V
$693B
| $895M | 1.73% |
2,961,240
+476,622
| +19% | +$153M |
|
|
10
Meta Platforms (Facebook)
META
$1.4T
| $801M | 1.55% |
1,400,083
+227,117
| +19% | +$146M |
|
|
11
Equifax
EFX
$22.6B
| $754M | 1.45% |
4,184,569
+3,165,120
| +310% | +$629M |
|
|
12
S&P Global
SPGI
$127B
| $718M | 1.39% |
1,688,643
+1,219,990
| +260% | +$566M |
|
|
13
TSMC
TSM
$2.17T
| $653M | 1.26% |
1,931,530
-711,534
| -27% | -$245M |
|
|
14
Alphabet (Google) Class C
GOOG
$4.18T
| $611M | 1.18% |
2,131,498
-1,444,082
| -40% | -$454M |
|
15
Ferguson
FERG
$46.9B
| $559M | 1.08% |
2,398,367
-579,825
| -19% | -$141M |
|
16
Pinnacle West Capital
PNW
$11.8B
| $388M | 0.75% |
3,854,815
+977,411
| +34% | +$94.3M |
|
17
Western Digital
WDC
$166B
| $310M | 0.6% |
1,146,273
| – | – |
|
18
DTE Energy
DTE
$28.1B
| $298M | 0.58% |
2,038,473
+39,963
| +2% | +$5.62M |
|
|
19
Southern Company
SO
$102B
| $229M | 0.44% |
2,375,511
-3,718,097
| -61% | -$344M |
|
20
NiSource
NI
$19.5B
| $210M | 0.4% |
4,493,353
-894,427
| -17% | -$40.3M |
|
21
Seagate
STX
$193B
| $209M | 0.4% |
534,364
| – | – |
|
22
Entergy
ETR
$48.8B
| $194M | 0.37% |
1,723,304
-1,499,230
| -47% | -$151M |
|
23
NXP Semiconductors
NXPI
$56.9B
| $170M | 0.33% |
+863,266
| New | +$191M |
|
|
24
Alphabet (Google) Class A
GOOGL
$4.22T
| $153M | 0.3% |
531,870
-308,000
| -37% | -$96.8M |
|
25
American Electric Power
AEP
$65.8B
| $148M | 0.29% |
1,131,523
-1,434,464
| -56% | -$179M |
|
Similar funds
Eric Mandelblatt's Q1 2026 Portfolio in Review
As of Q1 2026, Eric Mandelblatt held 33 positions worth $51.8B, up 261% from $14.3B the previous quarter. Its ten largest holdings account for 88% of the portfolio.
Eric Mandelblatt deployed $42.8B of net new capital in Q1 2026, opening 4 new positions and adding to 10 existing holdings. Its largest new stake was Domino's: 2,495,194 shares worth $895M.
By sector, the portfolio is most concentrated in Financials at 5.5% of assets, down from 17% a quarter earlier, followed by Technology and Consumer Discretionary.
On the sell side, the largest reduction was Alphabet (Google) Class C, an estimated $454M trimmed.
- Eric Mandelblatt's largest Q1 2026 buy was Domino's: 2,495,194 shares worth $895M.
- Eric Mandelblatt added most to Equifax in Q1 2026, an estimated $629M increase.
- Eric Mandelblatt's biggest Q1 2026 reduction was Alphabet (Google) Class C, cutting an estimated $454M.
- Eric Mandelblatt fully exited Brookfield in Q1 2026, selling an estimated $263M.
- Eric Mandelblatt's ten largest holdings make up 88% of its $51.8B portfolio in Q1 2026.
- Eric Mandelblatt opened 4 new positions and closed 3 in Q1 2026.
- Eric Mandelblatt's portfolio value rose 261% quarter-over-quarter to $51.8B.
Based on Soroban Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.