SAM
ATHN

Silphium Asset Management’s Athenahealth, Inc. ATHN Stock Holding History

Silphium Asset Management’s Portfolio ATHN Stock Details ATHN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2018
Q4 		– Sell
-9,550
Closed -$1.28M – 121
2018
Q3 		$1.28M Sell
9,550
-2,950
-24% -$442K 0.36% 51
2018
Q2 		$1.99M Buy
+12,500
New +$1.85M 0.63% 35

Other funds holding ATHN

Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return
CS
Credit Suisse Zurich, Switzerland $104B AUM 34.76% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return

Silphium Asset Management's ATHN Position: Q4 2018 in Review

Silphium Asset Management sold out of Athenahealth, Inc. (ATHN) in Q4 2018, closing a stake of 9,550 shares — an estimated $1.28M sold.

Silphium Asset Management first reported a position in ATHN in Q2 2018 and held it in 2 quarters. The position peaked at $1.99M in Q2 2018. 263 funds tracked by Wall St. Rank hold ATHN as of Q4 2018.

  • Silphium Asset Management reported no remaining Athenahealth, Inc. position as of Q4 2018 after selling out during the quarter.
  • Silphium Asset Management sold 9,550 Athenahealth, Inc. shares in Q4 2018, an estimated $1.28M.
  • Silphium Asset Management first reported a position in Athenahealth, Inc. in Q2 2018 and held it in 2 quarters.
  • Silphium Asset Management's Athenahealth, Inc. position peaked at $1.99M in Q2 2018.
  • 263 funds tracked by Wall St. Rank held Athenahealth, Inc. as of Q4 2018.

Based on Silphium Asset Management's 13F filing for Q4 2018, filed 30 Jan 2025.