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Spark Investment Management’s MacroGenics MGNX Stock Holding History

Spark Investment Management’s Portfolio MGNX Stock Details MGNX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$79.5K Buy
+17,200
New +$65.1K 0.16% 51
2020
Q2 		– Sell
-26,620
Closed -$154K – 193
2020
Q1 		$154K Sell
26,620
-50,649
-66% -$460K 0.08% 247
2019
Q4 		$840K Sell
77,269
-17,746
-19% -$176K 0.1% 275
2019
Q3 		$1.21M Buy
95,015
+25,120
+36% +$362K 0.16% 165
2019
Q2 		$1.19M Sell
69,895
-170,505
-71% -$2.93M 0.08% 279
2019
Q1 		$4.32M Sell
240,400
-64,100
-21% -$1.11M 0.2% 143
2018
Q4 		$3.87M Buy
304,500
+15,800
+5% +$265K 0.27% 113
2018
Q3 		$6.19M Sell
288,700
-90,300
-24% -$1.93M 0.35% 78
2018
Q2 		$7.83M Buy
379,000
+153,000
+68% +$3.45M 0.46% 51
2018
Q1 		$5.69M Buy
226,000
+71,400
+46% +$1.73M 0.36% 80
2017
Q4 		$2.94M Sell
154,600
-35,300
-19% -$659K 0.16% 195
2017
Q3 		$3.51M Sell
189,900
-46,900
-20% -$812K 0.19% 184
2017
Q2 		$4.15M Sell
236,800
-153,600
-39% -$2.93M 0.26% 127
2017
Q1 		$7.26M Sell
390,400
-24,900
-6% -$480K 0.46% 43
2016
Q4 		$8.49M Buy
415,300
+24,700
+6% +$622K 0.7% 14
2016
Q3 		$11.7M Buy
390,600
+124,800
+47% +$3.71M 0.95% 2
2016
Q2 		$7.17M Sell
265,800
-29,800
-10% -$672K 0.67% 12
2016
Q1 		$5.54M Buy
295,600
+88,200
+43% +$1.68M 0.56% 21
2015
Q4 		$6.42M Sell
207,400
-6,700
-3% -$204K 0.82% 9
2015
Q3 		$4.58M Buy
214,100
+167,900
+363% +$5.27M 0.6% 25
2015
Q2 		$1.75M Buy
46,200
+27,900
+152% +$917K 0.25% 131
2015
Q1 		$574K Buy
+18,300
New +$620K 0.08% 340
2014
Q4 		– Sell
-33,316
Closed -$696K – 763
2014
Q3 		$696K Hold
33,316
– – 0.1% 276
2014
Q2 		$722K Buy
33,316
+22,316
+203% +$469K 0.11% 278
2014
Q1 		$306K Buy
+11,000
New +$388K 0.05% 445

Other funds holding MGNX

AC
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

Spark Investment Management's MGNX Position: Q2 2026 in Review

Spark Investment Management opened a new position in MacroGenics (MGNX) in Q2 2026: 17,200 shares worth $79.5K. The stake represents 0.16% of the portfolio and ranks #51 among its holdings. This is a return to the name: Spark Investment Management previously reported a position in MGNX as recently as Q1 2020.

Spark Investment Management first reported a position in MGNX in Q1 2014 and has held it in 25 quarters since. The position peaked at $11.7M in Q3 2016. 122 funds tracked by Wall St. Rank hold MGNX as of Q2 2026.

  • Spark Investment Management held 17,200 shares of MacroGenics worth $79.5K as of Q2 2026.
  • MacroGenics was a new Spark Investment Management position in Q2 2026.
  • MacroGenics made up 0.16% of Spark Investment Management's portfolio in Q2 2026, its #51 holding.
  • Spark Investment Management first reported a position in MacroGenics in Q1 2014 and has held it in 25 quarters since.
  • Spark Investment Management's MacroGenics position peaked at $11.7M in Q3 2016.
  • 122 funds tracked by Wall St. Rank held MacroGenics as of Q2 2026.

Based on Spark Investment Management's 13F filing for Q2 2026, filed 10 Aug 2026.