Mary Throop Portfolio
Invests via Summerhill Capital Management lnc. | Managed by Mary Throop, Kevin Elliott
Invests via Summerhill Capital Management lnc.
Managed by Mary Throop, Kevin Elliott
Automatically Tracked
Mary Throop Profile
Seasoned investor and operator concentrating on growth-stage healthcare and consumer companies with experience in corporate strategy, board governance and capital markets. Mary Throop brings deal-sourcing, portfolio oversight and exit execution capabilities, having worked with PE/VC firms and founder-led businesses to scale revenue and optimize capital structure.
Seasoned investor and operator concentrating on growth-stage healthcare and consumer companies with experience in corporate strategy, board governance and capital markets. Mary Throop brings deal-sourcing, portfolio oversight and exit execution capabilities, having worked with PE/VC firms and founder-led businesses to scale revenue and optimize capital structure.
Investment Philosophy & Strategy
Focuses on growth-stage healthcare and consumer companies, prioritizing scalable revenue models, defensible market positions and disciplined capital structures. Invests with active board-level engagement, pairing strategic go-to-market initiatives with operational KPIs and milestone-based capital deployment. Emphasizes repeatable exit pathways—strategic sale or growth equity—while balancing upside through concentrated, thesis-driven stakes and downside protection via covenants, staged financing and tight governance.
Focuses on growth-stage healthcare and consumer companies, prioritizing scalable revenue models, defensible market positions and disciplined capital structures. Invests with active board-level engagement, pairing strategic go-to-market initiatives with operational KPIs and milestone-based capital deployment. Emphasizes repeatable exit pathways—strategic sale or growth equity—while balancing upside through concentrated, thesis-driven stakes and downside protection via covenants, staged financing and tight governance.
Disclaimer: This Portfolio is derived from and computed based on publicly available data from SEC filings.
Gain and growth charts are calculated per selected timeframe:
46.77%
Gain +1.12%
Monthly
1.32%
Yearly
16.96%
Drawdown
18.24%
$137.36M
Equity
Holdings
$137.36M
Investment
$94.23M
$48.85M
Profit +$807,521.53
Realized
$5.73M
Unrealized
$43.12M
Dividends
$3.37M
Goals
Avg. 100% completed goals
Yearly
Gain > 5% 2026
Yearly
Gain < 20% 2026
Today
Compared To Yesterday
Gain
1.12%
Profit
$807,521.53
Win %
84%
This Week
Compared To Last Week
Gain
0.71%
Profit
$966,185.75
Win %
84%
This Month
Compared to last month
Gain
1.08%
Profit
$1.46M
Win %
84%
This Year
Compared to last year
Gain
22.93%
Profit
$25.62M
Win %
82%
CLS Celestica Inc.
+7.17%
+$223,181.09 
AMD Advanced Micro Devices, Inc.
+6.28%
+$976,396.91 
FSLR First Solar, Inc.
+4.98%
+$217,925.97 
VRT Vertiv Holdings Co
+4.31%
+$189,637.51 
ETN Eaton Corporation plc
+4%
+$270,946.97 
CVE Cenovus Energy Inc.
+3%
+$80,337.34 
CNQ Canadian Natural Resources Limited
+1.21%
+$10,697.57 
TRP TC Energy Corporation
+1.2%
+$7,997.25 
PBA Pembina Pipeline Corporation
+1.1%
+$7,309.17 
XLE Energy Select Sector SPDR Fund
+0.94%
+$8,280.03 
BIP Brookfield Infrastructure Partners L.P.
+0.93%
+$80,181.45 
CVX Chevron Corporation
+0.79%
+$3,918.75 
SU Suncor Energy Inc.
+0.71%
+$6,125.28 
BMO Bank of Montreal
+0.35%
+$1,802.34 
XOM Exxon Mobil Corporation
+0.31%
+$3,034.84 
CP Canadian Pacific Kansas City Limited
+0.06%
+$3,040.45 
CDNMF EGR Exploration Ltd.
0%
$0 BAM
BAM
0%
$0 
BIRK Birkenstock Holding plc
-2.77%
-$89,751.2 
RELX Relx PLC Sponsored ADR
-2.17%
-$43,664.39 
BN Brookfield Corporation
-1.91%
-$6,007.54 
MA Mastercard Incorporated
-1.87%
-$7,433.34 
MSFT Microsoft Corp.
-1.42%
-$121,872.68 
CAE CAE Inc.
-1.27%
-$38,223.62 
AAPL Apple Inc.
-1.2%
-$5,709.55 
SLF Sun Life Financial Inc.
-1.2%
-$5,898.57 
GLD SPDR Gold Shares
-1.1%
-$16,822.36 
JPM JPMorgan Chase & Co.
-0.85%
-$97,999.99 
TXN Texas Instruments Inc
-0.6%
-$2,795.1 
AMZN Amazon.com Inc
-0.56%
-$52,769.17 
RY Royal Bank of Canada
-0.55%
-$66,646.15 
BRK-B Berkshire Hathaway Inc.
-0.21%
-$1,509.44 
CM Canadian Imperial Bank of Commerce
-0.18%
-$913.92 
META Meta Platforms Inc Class A
-0.04%
-$3,569.69 
GOOGL Alphabet Inc
-0.04%
-$7,279.95 Events
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Dividends
Dividend Analysis
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| Trades 187 | Longs Won 127/187 67% | Profit Factor 5.96 |
| Profitability | Shorts Won 0/0 0% | Standard Deviation $1.01M |
| Average Win $462,245.38 | Best Trade (Aug 13) $5.9M | Sharpe Ratio -10.72 |
| Average Loss -$164,196.17 | Worst Trade (Mar 31) -$1.37M | Z-Score 5.89 (100%) |
| Commissions $0 | Avg. Trade Length 1y 3d | Expectancy $261,248.09 |
| Loss Size | 100% | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
| Probability of Loss | <0.01% | <0.01% | <0.01% | <0.01% | <0.01% | <0.01% | <0.01% | <0.01% | <0.01% | 0.06% |
| Consecutive Losing Trades | 837 | 753 | 669 | 586 | 502 | 418 | 335 | 251 | 167 | 84 |
Hover over the desired column for a detailed explanation.
Returns
Overall, Monthly| Symbol | Quantity | Cost | Value | Comm. | Profit ($) | Gain (%) | Change |
|---|---|---|---|---|---|---|---|
| AAPL Apple Inc. | 1,483 | $376,371 | $468,805.96 | - | $92,434.96 | 24.56% | -1.203% |
| AMD Advanced Micro Devices, Inc. | 32,552 | $6.83M | $16.52M | - | $9.7M | 142.03% | +6.281% |
| AMZN Amazon.com Inc | 36,645 | $6.71M | $9.42M | - | $2.71M | 40.44% | -0.557% |
| BAM BAM | 6,652 | $295,162 | $295,162 | - | - | - | 0.0 |
| BIP Brookfield Infrastructure Partners L.P. | 232,410 | $7.28M | $8.71M | - | $1.43M | 19.71% | +0.929% |
| BIRK Birkenstock Holding plc | 95,480 | $3.9M | $3.16M | - | -$748,339.72 | -19.16% | -2.765% |
| BMO Bank of Montreal | 2,907 | $392,953 | $511,690.14 | - | $118,737.14 | 30.22% | +0.353% |
| BN Brookfield Corporation | 7,802 | $315,517 | $308,491.08 | - | -$7,025.92 | -2.23% | -1.91% |
| BRK-B Berkshire Hathaway Inc. | 1,424 | $682,381 | $719,077.28 | - | $36,696.28 | 5.38% | -0.209% |
| CAE CAE Inc. | 123,302 | $2.84M | $2.97M | - | $136,332.24 | 4.81% | -1.27% |
| CDNMF EGR Exploration Ltd. | 27,620 | $639.53 | $2,762 | - | $2,122.47 | 331.88% | 0.0 |
| CLS Celestica Inc. | 9,959 | $804,844.85 | $3.33M | - | $2.53M | 314.23% | +7.175% |
| CM Canadian Imperial Bank of Commerce | 4,352 | $411,628 | $510,446.08 | - | $98,818.08 | 24.01% | -0.179% |
| CNQ Canadian Natural Resources Limited | 17,537 | $853,763 | $895,614.59 | - | $41,851.59 | 4.9% | +1.209% |
| CP Canadian Pacific Kansas City Limited | 55,281 | $4.81M | $5.07M | - | $260,663.72 | 5.42% | +0.06% |
| CVE Cenovus Energy Inc. | 82,822 | $2.19M | $2.76M | - | $567,592.48 | 25.87% | +2.997% |
| CVX Chevron Corporation | 2,375 | $491,388 | $499,343.75 | - | $7,955.75 | 1.62% | +0.791% |
| ETN Eaton Corporation plc | 16,491 | $5.42M | $7.05M | - | $1.63M | 30.11% | +3.999% |
| FSLR First Solar, Inc. | 21,410 | $3.73M | $4.6M | - | $860,353.52 | 23.04% | +4.979% |
| GLD SPDR Gold Shares | 3,755 | $1.62M | $1.51M | - | -$105,140.05 | -6.51% | -1.101% |
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Option values are updated at end of day.
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FAQ
Which stocks have generated the highest profits for Mary Throop?
The largest contributions to the portfolio's profits come from the following stocks: SharkNinja, Inc - $4.89M, Celestica Inc - $3.6M, NVIDIA Corporation - $1.94M, Alphabet Inc - $909,410.98, and JPMorgan Chase & Co - $899,632.69. These positions have been the main drivers of growth and have significantly impacted the investor's overall performance.
Which stocks have generated the largest losses for this investor?
The largest losses in the portfolio are associated with the following stocks: Adobe Inc - $1.79M, Advanced Micro Devices, Inc - $1.18M, Canadian Pacific Kansas City Limited - $908,368.57, PayPal Holdings Inc - $704,996.2, and TELUS Corporation - $626,409.18. These positions have had the most negative impact on overall performance and highlight the weaker areas of the portfolio.
What dividends does Mary Throop's portfolio generate?
The portfolio generates substantial dividend income, with a total of $3.37M earned over time. The largest contributors to dividend income include Brookfield Infrastructure Partners L.P - $1.03M, Royal Bank of Canada - $562,220.33, JPMorgan Chase & Co - $464,324.4, TELUS Corporation - $352,638.28, and Microsoft Corp - $174,160.56. This indicates that dividends play a meaningful role in the investor's overall strategy.
How stable are Mary Throop's monthly returns?
Mary Throop's monthly returns show a mixed pattern. Some months are relatively calm, while others are noticeably stronger or weaker, which suggests that performance is not fully consistent over time. This points to a strategy that may offer attractive upside but can also experience uneven short-term results.
Can Mary Throop's strategy be considered aggressive or moderate?
Mary Throop's strategy leans toward a moderately conservative profile. While there is still some exposure to market fluctuations, the overall structure and risk levels suggest a focus on maintaining stability rather than pursuing aggressive growth.
Should beginners follow Mary Throop's strategy?
Mary Throop's strategy may be suitable for beginners, but with some caution. While the overall approach is not overly complex, it still involves a certain level of risk and variability. Beginners should be prepared for occasional fluctuations and ensure they understand the strategy before trying to follow it.
