Silphium Asset Management’s Arrowhead Research ARWR Stock Holding History

Silphium Asset Management’s Portfolio ARWR Stock Details ARWR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q4	–	Sell	-23,012	Closed	-$441K	–	47
2018 Q3	$441K	Hold	23,012	–	–	0.13%	78
2018 Q2	$313K	Sell	23,012 -30,000	-57%	-$280K	0.1%	72
2018 Q1	$382K	Buy	+53,012	New	+$326K	0.21%	48

Other funds holding ARWR

OppenheimerFunds New York $80.4B AUM 15.1% 1-Year Est. Return

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

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

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

First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return

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

Vivo Capital Palo Alto, California $1.2B AUM 911.44% 1-Year Est. Return

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

Fiera Capital (Canada) Montreal, Quebec, Canada $29.2B AUM 20.16% 1-Year Est. Return

FCM

Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return

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

Silphium Asset Management sold out of Arrowhead Research (ARWR) in Q4 2018, closing a stake of 23,012 shares — an estimated $441K sold.

Silphium Asset Management first reported a position in ARWR in Q1 2018 and held it in 3 quarters. The position peaked at $441K in Q3 2018. 158 funds tracked by Wall St. Rank hold ARWR as of Q4 2018.

Silphium Asset Management reported no remaining Arrowhead Research position as of Q4 2018 after selling out during the quarter.
Silphium Asset Management sold 23,012 Arrowhead Research shares in Q4 2018, an estimated $441K.
Silphium Asset Management first reported a position in Arrowhead Research in Q1 2018 and held it in 3 quarters.
Silphium Asset Management's Arrowhead Research position peaked at $441K in Q3 2018.
158 funds tracked by Wall St. Rank held Arrowhead Research as of Q4 2018.

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