Harbor Capital Advisors’s Magnolia Oil & Gas MGY Stock Holding History

Harbor Capital Advisors’s Portfolio MGY Stock Details MGY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.81M	Sell	110,051 -3,070	-3%	-$87.7K	0.19%	144
2026 Q1	$3.57M	Buy	113,121 +111,868	+8,928%	+$2.99M	0.29%	70
2025 Q4	$27K	Sell	1,253 -21	-2%	-$478	﹤0.01%	780
2025 Q3	$30K	Sell	1,274 -124	-9%	-$2.96K	﹤0.01%	732
2025 Q2	$31K	Sell	1,398 -117	-8%	-$2.59K	﹤0.01%	746
2025 Q1	$38K	Buy	1,515 +426	+39%	+$10.3K	﹤0.01%	741
2024 Q4	$25K	Buy	1,089 +83	+8%	+$2.16K	﹤0.01%	791
2024 Q3	$25K	Buy	+1,006	New	+$25.3K	﹤0.01%	803

Other funds holding MGY

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

TD Asset Management Toronto, Ontario, Canada $115B AUM 41.58% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

BTW

Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return

Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

SIMG

Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Harbor Capital Advisors's MGY Position: Q2 2026 in Review

Harbor Capital Advisors reduced its Magnolia Oil & Gas (MGY) stake by 2.7% in Q2 2026, selling an estimated $87.7K and leaving 110,051 shares worth $2.81M. The position accounts for 0.19% of the portfolio, ranked #144.

Harbor Capital Advisors first reported a position in MGY in Q3 2024 and has held it in 8 quarters since. The position peaked at $3.57M in Q1 2026. 206 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

Harbor Capital Advisors held 110,051 shares of Magnolia Oil & Gas worth $2.81M as of Q2 2026.
Harbor Capital Advisors sold 3,070 Magnolia Oil & Gas shares in Q2 2026, an estimated $87.7K.
Magnolia Oil & Gas made up 0.19% of Harbor Capital Advisors's portfolio in Q2 2026, its #144 holding.
Harbor Capital Advisors first reported a position in Magnolia Oil & Gas in Q3 2024 and has held it in 8 quarters since.
Harbor Capital Advisors's Magnolia Oil & Gas position peaked at $3.57M in Q1 2026.
206 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

Based on Harbor Capital Advisors's 13F filing for Q2 2026, filed 7 Aug 2026.