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PSC
Portman Square Capital Portfolio holdings
AUM
$2.11B
1-Year Est. Return
19.71%
This Fund
S&P 500
This Quarter
Est. Return
+3.33%
1 Year Est. Return
+19.71%
3 Year Est. Return
+20.03%
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$2.26B
AUM Growth
-$1.16B
(-34%)
Cap. Flow
-$1.21B
Cap. Flow
% of AUM
-53.59%
Top 10 Holdings %
Top 10 Hldgs %
44.7%
Holding
186
New
14
Increased
22
Reduced
57
Closed
79
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
PCG.PRX
PG&E Corp 6.000% Series A Preferred Stock
PCG.PRX
|
+$46.8M |
| 2 |
Itron
ITRI
|
+$3.84M |
| 3 |
BlackLine
BL
|
+$3.14M |
| 4 |
Tetra Tech
TTEK
|
+$3.14M |
| 5 |
Global Payments
GPN
|
+$2.71M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
BA.PRA
Boeing Co 6.00% Series A Preferred Stock
BA.PRA
|
+$36.1M |
| 2 |
Insulet
PODD
|
+$13.1M |
| 3 |
Wayfair
W
|
+$8.99M |
| 4 |
Alnylam Pharmaceuticals
ALNY
|
+$2.84M |
| 5 |
Lowe's Companies
LOW
|
+$2.04M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.82% |
| 2 | Consumer Discretionary | 0.41% |
| 3 | Industrials | 0.33% |
| 4 | Healthcare | 0.27% |
| 5 | Materials | 0.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
151
CALL
Cloudflare
NET
$107B
| – | – |
-27,700
| Closed | -$5.42M |
|
152
CALL
Netflix
NFLX
$309B
| – | – |
-87,000
| Closed | -$11.7M |
|
|
153
Netflix
NFLX
$309B
| – | – |
-1,720
| Closed | -$210K |
|
154
CALL
ServiceNow
NOW
$129B
| – | – |
-25,000
| Closed | -$5.14M |
|
|
155
PUT
ServiceNow
NOW
$129B
| – | – |
-35,000
| Closed | -$7.2M |
|
156
PG&E
PCG
$38.5B
| – | – |
-52,020
| Closed | -$759K |
|
|
157
Insulet
PODD
$9.79B
| – | – |
-41,723
| Closed | -$13.1M |
|
|
158
PUT
Insulet
PODD
$9.79B
| – | – |
-164,300
| Closed | -$51.6M |
|
159
CALL
Phillips 66
PSX
$81.4B
| – | – |
-32,500
| Closed | -$3.88M |
|
|
160
Phillips 66
PSX
$81.4B
| – | – |
-6,584
| Closed | -$843K |
|
161
CALL
Rio Tinto
RIO
$164B
| – | – |
-85,100
| Closed | -$4.96M |
|
|
162
Rio Tinto
RIO
$164B
| – | – |
-9,523
| Closed | -$555K |
|
|
163
PUT
Rio Tinto
RIO
$164B
| – | – |
-131,900
| Closed | -$7.69M |
|
|
SCHW
164
CALL
Charles Schwab
SCHW
$187B
| – | – |
-52,300
| Closed | -$4.77M |
|
165
CALL
iShares Silver Trust
SLV
$30.7B
| – | – |
-100,000
| Closed | -$3.28M |
|
166
Super Micro Computer
SMCI
$20.1B
| – | – |
-11,285
| Closed | -$539K |
|
167
PUT
Semtech
SMTC
$13B
| – | – |
-150,000
| Closed | -$6.77M |
|
168
CALL
State Street
STT
$50.7B
| – | – |
-58,700
| Closed | -$6.24M |
|
|
169
PUT
State Street
STT
$50.7B
| – | – |
-98,700
| Closed | -$10.5M |
|
170
PUT
Seagate
STX
$184B
| – | – |
-112,500
| Closed | -$16.2M |
|
171
CALL
Teck Resources
TECK
$32.6B
| – | – |
-106,000
| Closed | -$4.28M |
|
|
172
PUT
Teck Resources
TECK
$32.6B
| – | – |
-172,700
| Closed | -$6.97M |
|
173
CALL
Uber
UBER
$153B
| – | – |
-46,600
| Closed | -$4.35M |
|
174
Union Pacific
UNP
$174B
| – | – |
-939
| Closed | -$212K |
|
175
CALL
United Rentals
URI
$72.4B
| – | – |
-5,900
| Closed | -$4.45M |
|
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Portman Square Capital's Q3 2025 Portfolio in Review
As of Q3 2025, Portman Square Capital held 186 positions worth $2.26B, down 34% from $3.42B the previous quarter. Its ten largest holdings account for 45% of the portfolio.
Portman Square Capital withdrew a net $1.21B in Q3 2025, closing 79 positions and reducing 57 holdings. Its most notable exit was Insulet, an estimated $13.1M position sold in full.
By sector, the portfolio is most concentrated in Technology at 0.82% of assets, up from 0.32% a quarter earlier, followed by Consumer Discretionary and Industrials.
Against the trend, Portman Square Capital opened a new position in PG&E Corp 6.000% Series A Preferred Stock worth $47.7M.
- Portman Square Capital's largest Q3 2025 buy was PG&E Corp 6.000% Series A Preferred Stock: 1,201,000 shares worth $47.7M.
- Portman Square Capital added most to BlackLine in Q3 2025, an estimated $3.14M increase.
- Portman Square Capital's biggest Q3 2025 reduction was Boeing Co 6.00% Series A Preferred Stock, cutting an estimated $36.1M.
- Portman Square Capital fully exited Insulet in Q3 2025, selling an estimated $13.1M.
- Portman Square Capital's ten largest holdings make up 45% of its $2.26B portfolio in Q3 2025.
- Portman Square Capital opened 14 new positions and closed 79 in Q3 2025.
- Portman Square Capital's portfolio value fell 34% quarter-over-quarter to $2.26B.
Based on Portman Square Capital's 13F filing for Q3 2025, filed 16 Oct 2025.