Magnetar Financial’s GFL Environmental GFL Stock Holding History

Magnetar Financial’s Portfolio GFL Stock Details GFL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-18,276	Closed	-$785K	–	1248
2025 Q4	$785K	Sell	18,276 -61,228	-77%	-$2.74M	0.01%	481
2025 Q3	$3.77M	Buy	79,504 +70,328	+766%	+$3.41M	0.02%	272
2025 Q2	$463K	Buy	+9,176	New	+$451K	﹤0.01%	588
2023 Q4	–	Sell	-27,791	Closed	-$883K	–	434
2023 Q3	$883K	Buy	27,791 +16,220	+140%	+$557K	0.02%	266
2023 Q2	$449K	Buy	+11,571	New	+$420K	0.01%	355
2022 Q4	–	Sell	-22,678	Closed	-$574K	–	836
2022 Q3	$574K	Buy	22,678 +13,737	+154%	+$380K	0.01%	802
2022 Q2	$231K	Buy	+8,941	New	+$265K	﹤0.01%	1281
2021 Q3	–	Sell	-13,294	Closed	-$424K	–	1383
2021 Q2	$424K	Buy	+13,294	New	+$435K	﹤0.01%	931
2020 Q2	–	Sell	-10,000	Closed	-$151K	–	498
2020 Q1	$151K	Buy	+10,000	New	+$157K	﹤0.01%	419

Other funds holding GFL

BC Partners New York $4.43B AUM 49.12% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

OTPPB

Ontario Teachers' Pension Plan Board Toronto, Ontario, Canada $15.8B AUM 1.29% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

Nordea Investment Management Stockholm, Sweden $123B AUM 38.85% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

BGC

Beutel, Goodman & Co Toronto, Ontario, Canada $13.6B AUM 17.82% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

Magnetar Financial's GFL Position: Q1 2026 in Review

Magnetar Financial sold out of GFL Environmental (GFL) in Q1 2026, closing a stake of 18,276 shares — an estimated $785K sold.

Magnetar Financial first reported a position in GFL in Q1 2020 and held it in 9 quarters. The position peaked at $3.77M in Q3 2025. 329 funds tracked by Wall St. Rank hold GFL as of Q1 2026.

Magnetar Financial reported no remaining GFL Environmental position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 18,276 GFL Environmental shares in Q1 2026, an estimated $785K.
Magnetar Financial first reported a position in GFL Environmental in Q1 2020 and held it in 9 quarters.
Magnetar Financial's GFL Environmental position peaked at $3.77M in Q3 2025.
329 funds tracked by Wall St. Rank held GFL Environmental as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.