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Stolper Co.

CIK:0001808195
Investment Adviser
$306M AUM
89 holdings
Tulsa, OK, United States
Founded:2020
5 employees
Latest filing:Sep 30, 2025

Stolper Co is an investment advisory and asset management firm headquartered in Tulsa, Oklahoma. It operates as an SEC-registered investment adviser, managing portfolios for institutional and individual investors. Regulatory filings date back to 2020, and as of 2024, the firm files quarterly Form 13F reports. Its operations are led by Jon Stolper as Chief Investment Officer. Employee count is likely small, reflecting a boutique investment advisory structure.

Investment Strategy

Stolper Co manages diversified portfolios that typically consist of equities, ETFs, and fixed income securities, including positions in large, liquid, and widely held public securities such as ETFs tracking international equities, U.S. treasuries, preferred stocks, and high-dividend equities. The firm appears to follow a disciplined, long-term-oriented strategy focused on asset allocation and risk diversification for its clients.

Top Buys
A
ALSNALLISON TRANSMISSION HLDGS INC
+$6.4M
G
GOOGALPHABET INCORPORATED CAP STK
+$3.2M
A
AAPLAPPLE INCORPORATED
+$2.8M
L
LMTLOCKHEED MARTIN CORPORATION
+$2.7M
T
TXNTEXAS INSTRS INCORPORATED
+$2.2M
Top Sells
H
HPQHP INCORPORATED
-$5.0M
M
MMM3M COMPANY
-$2.5M
N
NEMNEWMONT CORPORATION
-$2.3M
O
OKEONEOK INCORPORATED NEW
-$967.0K
S
SHYISHARES TR 1 3 YR TREAS BD
-$684.0K

Top Holdings

B
BRK-BBERKSHIRE HATHAWAY INCORPORATE
+5.7%$19.0M
J
JPMJPMORGAN CHASE & COMPANY.
+5.4%$17.7M
A
AAPLAPPLE INCORPORATED
+4.5%$14.9M
G
GOOGALPHABET INCORPORATED CAP STK
+3.6%$11.9M
C
COFCAPITAL ONE FINL CORPORATION
+3.3%$10.7M

Equity Positions (88)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
B
BRK-B
BERKSHIRE HATHAWAY INCORPORATE5.75%$19.0M37,719$197.28$502.74+$381.0K
J
JPM
JPMORGAN CHASE & COMPANY.5.37%$17.7M56,229$93.85$315.43+$1.2M
A
AAPL
APPLE INCORPORATED4.52%$14.9M58,528$67.23$254.63+$2.8M
G
GOOG
ALPHABET INCORPORATED CAP STK3.61%$11.9M48,960$106.25$243.55+$3.2M
C
COF
CAPITAL ONE FINL CORPORATION3.25%$10.7M50,476$212.76$212.58-$66.0K

Industry Allocation

NATIONAL COMMERCIAL BANKS
+12.0%
SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
+7.2%
FIRE, MARINE & CASUALTY INSURANCE
+5.7%
PETROLEUM REFINING
+5.2%
ELECTRONIC COMPUTERS
+4.5%