Star Group Ownership | Who Owns Star Group?

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Star Group Ownership Summary

Star Group is owned by 8.03% institutional investors, 14.47% insiders, and 77.49% retail investors. Hartree partners, lp is the largest institutional shareholder, holding 9.90% of SGU shares. Brown Advisory Small-Cap Fdmtl Val Inv is the top mutual fund, with 0.55% of its assets in Star Group shares.

SGU Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Star Group	8.03%	14.47%	77.49%
Sector	Energy Stocks	147.73%	15.16%	-62.89%
Industry	Oil & Gas Refining & Marketing Stocks	31.60%	13.63%	54.77%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Hartree partners, lp	3.40M	9.90%	$40.23M
Bandera partners	2.75M	7.99%	$32.48M
Lubar	1.30M	3.92%	$15.34B
Oakcliff capital partners, lp	1.10M	3.20%	$13.00M
Renaissance	899.83K	2.72%	$10.65M
Jpmorgan chase	657.96K	1.99%	$7.79M
Joel isaacson	191.94K	0.58%	$2.27M
Blackstone	163.09K	0.47%	$1.93M
Doliver advisors, lp	139.94K	0.42%	$1.66M
Arrowstreet capital, limited partnership	104.08K	0.30%	$1.23M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bandera partners	2.75M	14.24%	$32.48M
Hartree partners, lp	3.40M	13.84%	$40.23M
Lubar	1.30M	11.43%	$15.34B
Oakcliff capital partners, lp	1.10M	5.61%	$13.00M
Doliver advisors, lp	139.94K	0.41%	$1.66M
Cove street capital	25.60K	0.40%	$302.85K
Hyperion capital advisors lp	25.40K	0.15%	$300.74K
Roxbury financial	9.86K	0.10%	$116.80K
Joel isaacson	191.94K	0.07%	$2.27M
Mtm investment management	12.13K	0.05%	$143.66K

Top Buyers

Holder	Shares	% Assets	Change
Lubar	1.30M	11.43%	1.30M
Arrowstreet capital, limited partnership	104.08K	0.00%	49.64K
Atom investors lp	18.48K	0.02%	18.48K
Walleye capital	14.96K	0.00%	14.96K
Goldman sachs group	31.89K	-	13.89K

Top Sellers

Holder	Shares	% Assets	Change
Brown advisory	76.48K	0.00%	-472.38K
Locust wood capital advisers	-	-	-138.60K
State street	-	-	-67.62K
Blackrock	11.01K	-	-60.91K
Swiss national bank	-	-	-59.70K

New Positions

Holder	Shares	% Assets	Change	Value
Lubar	1.30M	11.43%	1.30M	$15.34B
Atom investors lp	18.48K	0.02%	18.48K	$218.57K
Walleye capital	14.96K	0.00%	14.96K	$177.02K
Bnp paribas arbitrage, snc	2.65K	-	2.65K	$31.34K
Cwm	1.04K	-	1.04K	$12.00K

Sold Out

Holder	Change
First command advisory services	-5.00
Ridgewood investments	-79.00
Group one trading	-200.00
Royal bank of canada	-259.00
National bank of canada /fi/	-440.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	36	-44.62%	2,657,297	-74.81%	8	0.85%	16	-11.11%	6	-62.50%
Sep 30, 2025	34	-46.03%	4,235,527	-61.12%	12	1.23%	7	-66.67%	8	-60.00%
Jun 30, 2025	66	-	11,050,773	-7.69%	32	2.68%	22	10.00%	21	50.00%
Mar 31, 2025	2	-97.01%	1,111,520	-90.36%	3	0.29%	-	-100.00%	1	-95.00%
Dec 31, 2024	61	-7.58%	10,389,922	-11.56%	29	2.66%	15	-40.00%	19	46.15%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Brown Advisory Small-Cap Fdmtl Val Inv	183.97K	0.55%	-112.14K
Goldman Sachs Absolute Ret Trckr Instl	22.32K	0.07%	10.07K
THB Micro Cap	14.00K	0.04%	-
Brown Advisory US Small Cap Blend B $	12.08K	0.04%	-7.58K
Avantis US Small Cap Equity ETF	11.72K	0.04%	-
Six Circles Mgd Eq Port US Uncons	8.46K	0.03%	8.46K
Six Circles U.S. Unconstrained Equity	6.93K	0.02%	-
NT Col US SM Idx Fd - NL	6.10K	0.02%	-
NT United States IMI Fund - NL	6.10K	0.02%	-
PGIM US Micro Cap Quant Equity	3.70K	0.01%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 05, 2025	Hammond Jeffrey S	Chief Operating Officer	Buy	$1.26K
Aug 13, 2025	Baxter Scott	-	Buy	$176.85K
May 30, 2025	Bandera Partners LLC	See Footnote 1	Sell	$8.43M
Jun 15, 2023	Bandera Partners LLC	-	Sell	$10.72K
Jun 14, 2023	Bandera Partners LLC	-	Sell	$235.20K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	1	-
2025 Q2	-	1
2023 Q2	-	4
2022 Q3	-	-
2022 Q2	2	-

SGU Ownership FAQ

Who Owns Star Group?

Star Group shareholders are primarily institutional investors at 8.03%, followed by 14.47% insiders and 77.50% retail investors. The average institutional ownership in Star Group's industry, Oil & Gas Refining & Marketing Stocks, is 31.60%, which Star Group falls below.

Who owns the most shares of Star Group?

Star Group’s largest shareholders are Hartree partners, lp (3.4M shares, 9.90%), Bandera partners (2.75M shares, 7.99%), and Lubar (1.3M shares, 3.92%). Together, they hold 21.82% of Star Group’s total shares outstanding.

Does Blackrock own Star Group?

BlackRock is not among the top 10 institutional shareholders of Star Group.

Who is Star Group’s biggest shareholder by percentage of total assets invested?

Bandera partners is Star Group’s biggest shareholder by percentage of total assets invested, with 14.24% of its assets in 2.75M Star Group shares, valued at 32.48M$.

Who is the top mutual fund holder of Star Group shares?

Brown Advisory Small-Cap Fdmtl Val Inv is the top mutual fund holder of Star Group shares, with 0.55% of its total shares outstanding invested in 183.97K Star Group shares.

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