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Weiss Asset Management’s Halozyme HALO Stock Holding History

Weiss Asset Management’s Portfolio HALO Stock Details HALO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-5,410
Closed -$397K – 701
2025
Q3 		$397K Sell
5,410
-205,842
-97% -$13.7M ﹤0.01% 492
2025
Q2 		$11M Buy
+211,252
New +$12M 0.13% 105
2018
Q4 		– Sell
-20,814
Closed -$378K – 465
2018
Q3 		$378K Hold
20,814
– – 0.03% 124
2018
Q2 		$351K Hold
20,814
– – 0.03% 125
2018
Q1 		$408K Hold
20,814
– – 0.03% 127
2017
Q4 		$422K Buy
+20,814
New +$383K 0.04% 138

Other funds holding HALO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
SCM
Snyder Capital Management San Francisco, California $5.79B AUM 33.56% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Weiss Asset Management's HALO Position: Q4 2025 in Review

Weiss Asset Management sold out of Halozyme (HALO) in Q4 2025, closing a stake of 5,410 shares — an estimated $397K sold.

Weiss Asset Management first reported a position in HALO in Q4 2017 and held it in 6 quarters. The position peaked at $11M in Q2 2025. 619 funds tracked by Wall St. Rank hold HALO as of Q4 2025.

  • Weiss Asset Management reported no remaining Halozyme position as of Q4 2025 after selling out during the quarter.
  • Weiss Asset Management sold 5,410 Halozyme shares in Q4 2025, an estimated $397K.
  • Weiss Asset Management first reported a position in Halozyme in Q4 2017 and held it in 6 quarters.
  • Weiss Asset Management's Halozyme position peaked at $11M in Q2 2025.
  • 619 funds tracked by Wall St. Rank held Halozyme as of Q4 2025.

Based on Weiss Asset Management's 13F filing for Q4 2025, filed 17 Feb 2026.