Essex Investment Management’s Magnite MGNI Stock Holding History

Essex Investment Management’s Portfolio MGNI Stock Details MGNI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q4	–	Sell	-9,049	Closed	-$253K	–	420
2021 Q3	$253K	Buy	+9,049	New	+$272K	0.03%	307
2021 Q2	–	Sell	-34,422	Closed	-$1.43M	–	454
2021 Q1	$1.43M	Sell	34,422 -20,782	-38%	-$900K	0.17%	188
2020 Q4	$1.7M	Sell	55,204 -16,796	-23%	-$254K	0.21%	153
2020 Q3	$500K	Hold	72,000	–	–	0.07%	303
2020 Q2	$480K	Buy	+72,000	New	+$450K	0.08%	263
2018 Q4	–	Sell	-93,155	Closed	-$335K	–	506
2018 Q3	$335K	Buy	93,155 +2,533	+3%	+$8.95K	0.04%	335
2018 Q2	$258K	Buy	90,622 +20,382	+29%	+$48.5K	0.03%	352
2018 Q1	$126K	Buy	70,240 +20,852	+42%	+$39.5K	0.02%	361
2017 Q4	$92K	Buy	+49,388	New	+$123K	0.01%	351
2014 Q4	–	Sell	-19,356	Closed	-$227K	–	341
2014 Q3	$227K	Buy	+19,356	New	+$212K	0.03%	318

Other funds holding MGNI

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

GIM

Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return

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

Allianz Asset Management Munich, Germany $95.4B AUM 38.74% 1-Year Est. Return

Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return

Edenbrook Capital Mt. Kisco, New York $321M AUM 79.21% 1-Year Est. Return

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

NTCM

Nine Ten Capital Management Chicago, Illinois $315M AUM 62.95% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Essex Investment Management's MGNI Position: Q4 2021 in Review

Essex Investment Management sold out of Magnite (MGNI) in Q4 2021, closing a stake of 9,049 shares — an estimated $253K sold.

Essex Investment Management first reported a position in MGNI in Q3 2014 and held it in 10 quarters. The position peaked at $1.7M in Q4 2020. 247 funds tracked by Wall St. Rank hold MGNI as of Q4 2021.

Essex Investment Management reported no remaining Magnite position as of Q4 2021 after selling out during the quarter.
Essex Investment Management sold 9,049 Magnite shares in Q4 2021, an estimated $253K.
Essex Investment Management first reported a position in Magnite in Q3 2014 and held it in 10 quarters.
Essex Investment Management's Magnite position peaked at $1.7M in Q4 2020.
247 funds tracked by Wall St. Rank held Magnite as of Q4 2021.

Based on Essex Investment Management's 13F filing for Q4 2021, filed 10 Feb 2022.