potrero capital research llc

Hedge Fund • Long/Short

potrero capital research llc is a Long/Short Hedge Fund based in San Francisco, CA led by Jack R Ripsteen, reporting $381.9M in AUM as of Q3 2025 with 31% Technology concentration and 60% concentrated in top 10 holdings.

Managing PartnerJack R Ripsteen

Portfolio Value: $330.9M
Positions: 38
Top Holding: TLN at 12.02%
Last Reported: Q3 2025

Address235 Montgomery Street, Suite 1010, San Francisco, CA, 94104, United States

Top Holdings

Largest long holdings in potrero capital research llc's portfolio (59.7% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 Talen Energy Corporation TLN	Unknown Unknown	$39.8M	12.02%	—	0.20% 93.5K shares	Q3 2024 Held for 1y 2m
2 TransAlta TAC	Independent Power Producers Utilities	$34.4M	10.41%	—	0.85% 2.5M shares	Q3 2024 Held for 1y 2m
3 Microsoft MSFT	Software - Infrastructure Technology	$20.0M	6.06%	—	0.00% 38.7K shares	Q1 2020 Held for 5y 8m
4 Seagate Technology Holdings PLC STX	Computer Hardware Technology	$19.4M	5.86%	—	0.04% 82.1K shares	Q2 2025 Held for 5 months
5 Ivanhoe Electric IE	Software - Application Technology	$17.4M	5.25%	+$17.4M New	1.04% 1.4M shares	Q3 2025 Held for 2 months
6 DigitalBridge Group DBRG	REIT - Diversified Real Estate	$15.6M	4.70%	—	0.73% 1.3M shares	Q3 2024 Held for 1y 2m
7 Unity Software U	Software - Application Technology	$13.4M	4.06%	+$7.0M Bought	0.08% 335.3K shares	Q2 2025 Held for 5 months
8 Turning Point Brands TPB	Tobacco Consumer Defensive	$13.0M	3.94%	-$3.5M Sold	0.73% 131.8K shares	Q1 2025 Held for 8 months
9 Amrize Ltd AMRZ	Unknown Unknown	$12.4M	3.74%	+$9.2M Bought	0.05% 255.1K shares	Q2 2025 Held for 5 months
10 YETI Holdings, Inc. YETI	Leisure Consumer Cyclical	$12.3M	3.72%	+$12.3M New	0.46% 370.8K shares	Q3 2025 Held for 2 months

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in potrero capital research llc's latest filing

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Market Value

$330.9M

Prior: $212.3M

Q/Q Change

+55.9%

+$118.6M

Net Flows % of MV

+18.2%

Turnover Ratio

26.9%

New Purchases

18 stocks

$97.2M

Added To

2 stocks

+$16.2M

Sold Out Of

5 stocks

$31.3M

Reduced Holdings

6 stocks

-$21.9M

Increased Positions

Position	Shares Δ	Change
1 Ivanhoe Electric IE	New	0 → 1.4M +$17.4M
2 YETI Holdings, Inc. YETI	New	0 → 370.8K +$12.3M
3 Ramaco Resources METC	New	0 → 348.8K +$11.6M
4 BILL Holdings BILL	New	0 → 200.0K +$10.6M
5 Roku, Inc. ROKU	New	0 → 88.3K +$8.8M

Decreased Positions

Position	Shares Δ	Change
1 ADX Adams Diversified Equity Fund ADX	Sold	442.7K → 0 −$9.6M
2 DEFT Defi Technologies, Inc. DEFT	Sold	2.9M → 0 −$8.5M
3 Limbach Holdings, Inc. LMB	Sold	46.3K → 0 −$6.5M
4 Unifirst UNF	Sold	30.6K → 0 −$5.8M
5 LegalZoom.com, Inc. LZ	Sold	100.0K → 0 −$891.0K

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Analytics

Portfolio insights and performance metrics for potrero capital research llc

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Sector Allocation

Technology

31.00%

Utilities

13.40%

Communication Services

5.00%

Real Estate

4.70%

Consumer Cyclical

4.50%

Consumer Defensive

3.90%

Energy

3.50%

Industrials

3.20%

Market Cap Distribution

Mega Cap (> $200B)

6.06%

Large Cap ($10B - $200B)

33.67%

Mid Cap ($2B - $10B)

31.35%

Small Cap ($300M - $2B)

20.06%

Micro Cap ($50M - $300M)

1.05%

Nano Cap (< $50M)

2.71%

N/A (ETF or Unknown)

5.10%

Portfolio Concentration

Top 10 Holdings %

59.75%

Top 20 Holdings %

87.48%

Top 50 Holdings %

100.0%

Top 100 Holdings %