Jane Street
MACK

Jane Street’s Merrimack Pharmaceuticals, Inc. MACK Stock Holding History

Jane Street’s Portfolio MACK Stock Details MACK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2024
Q2 		– Sell
-11,124
Closed -$164K – 10509
2024
Q1 		$164K Buy
+11,124
New +$156K ﹤0.01% 8289
2023
Q2 		– Sell
-37,307
Closed -$459K – 10048
2023
Q1 		$459K Buy
+37,307
New +$438K ﹤0.01% 6466
2018
Q1 		– Sell
-13,279
Closed -$107K – 5837
2017
Q4 		$107K Buy
+13,279
New +$124K ﹤0.01% 4336
2016
Q3 		– Sell
-2,257
Closed -$96K – 4836
2016
Q2 		$96K Sell
2,257
-3,440
-60% -$187K ﹤0.01% 3898
2016
Q1 		$375K Buy
5,697
+4,328
+316% +$226K ﹤0.01% 2946
2015
Q4 		$85K Sell
1,369
-7,857
-85% -$553K ﹤0.01% 3820
2015
Q3 		$618K Buy
9,226
+6,202
+205% +$506K ﹤0.01% 2093
2015
Q2 		$294K Buy
3,024
+804
+36% +$76.5K ﹤0.01% 2846
2015
Q1 		$207K Buy
+2,220
New +$189K ﹤0.01% 2871
2014
Q4 		– Sell
-40,947
Closed -$2.83M – 3340
2014
Q3 		$2.83M Buy
+40,947
New +$2.19M 0.03% 459
2014
Q2 		– Sell
-4,498
Closed -$178K – 3396
2014
Q1 		$178K Buy
4,498
+2,462
+121% +$105K ﹤0.01% 2402
2013
Q4 		$85K Buy
+2,036
New +$59K ﹤0.01% 2200
2013
Q3 		– Sell
-4,886
Closed -$259K – 3361
2013
Q2 		$259K Buy
+4,886
New +$214K ﹤0.01% 2019

Other funds holding MACK

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
RhumbLine Advisers
RhumbLine Advisers Boston, Massachusetts $117B AUM 29.66% 1-Year Est. Return
RA
Rise Advisors Rochester, New York $355M AUM 20.51% 1-Year Est. Return
JC
JBF Capital Aspen, Colorado $676M AUM 24.74% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Jane Street's MACK Position: Q2 2024 in Review

Jane Street sold out of Merrimack Pharmaceuticals, Inc. (MACK) in Q2 2024, closing a stake of 11,124 shares — an estimated $164K sold.

Jane Street first reported a position in MACK in Q2 2013 and held it in 13 quarters. The position peaked at $2.83M in Q3 2014. 12 funds tracked by Wall St. Rank hold MACK as of Q2 2024.

  • Jane Street reported no remaining Merrimack Pharmaceuticals, Inc. position as of Q2 2024 after selling out during the quarter.
  • Jane Street sold 11,124 Merrimack Pharmaceuticals, Inc. shares in Q2 2024, an estimated $164K.
  • Jane Street first reported a position in Merrimack Pharmaceuticals, Inc. in Q2 2013 and held it in 13 quarters.
  • Jane Street's Merrimack Pharmaceuticals, Inc. position peaked at $2.83M in Q3 2014.
  • 12 funds tracked by Wall St. Rank held Merrimack Pharmaceuticals, Inc. as of Q2 2024.

Based on Jane Street's 13F filing for Q2 2024, filed 15 Aug 2024.