Polar Asset Management Partners’s NxStage Medical Inc. NXTM Stock Holding History

Polar Asset Management Partners’s Portfolio NXTM Stock Details NXTM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q4	–	Sell	-25,000	Closed	-$697K	–	404
2018 Q3	$697K	Sell	25,000 -75,000	-75%	-$2.11M	0.01%	281
2018 Q2	$2.79M	Sell	100,000 -100,000	-50%	-$2.68M	0.05%	244
2018 Q1	$4.97M	Hold	200,000	–	–	0.08%	179
2017 Q4	$4.85M	Buy	200,000 +167,500	+515%	+$4.41M	0.08%	208
2017 Q3	$897K	Buy	+32,500	New	+$867K	0.02%	252

Other funds holding NXTM

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

TAL

TIG Advisors LLC New York $2.16B AUM 72.99% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $6.09B AUM 26.7% 1-Year Est. Return

Magnetar Financial Evanston, Illinois $9.84B AUM 190.63% 1-Year Est. Return

AAM

Alpine Associates Management Palm Beach, Florida $1.6B AUM 93.19% 1-Year Est. Return

WCMNY

Westchester Capital Management (New York) Valhalla, New York $2.21B AUM 26.02% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Polar Asset Management Partners's NXTM Position: Q4 2018 in Review

Polar Asset Management Partners sold out of NxStage Medical Inc. (NXTM) in Q4 2018, closing a stake of 25,000 shares — an estimated $697K sold.

Polar Asset Management Partners first reported a position in NXTM in Q3 2017 and held it in 5 quarters. The position peaked at $4.97M in Q1 2018. 172 funds tracked by Wall St. Rank hold NXTM as of Q4 2018.

Polar Asset Management Partners reported no remaining NxStage Medical Inc. position as of Q4 2018 after selling out during the quarter.
Polar Asset Management Partners sold 25,000 NxStage Medical Inc. shares in Q4 2018, an estimated $697K.
Polar Asset Management Partners first reported a position in NxStage Medical Inc. in Q3 2017 and held it in 5 quarters.
Polar Asset Management Partners's NxStage Medical Inc. position peaked at $4.97M in Q1 2018.
172 funds tracked by Wall St. Rank held NxStage Medical Inc. as of Q4 2018.

Based on Polar Asset Management Partners's 13F filing for Q4 2018, filed 14 Feb 2019.