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Bayesian Capital Management’s Halozyme HALO Stock Holding History

Bayesian Capital 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
2026
Q1 		– Sell
-4,804
Closed -$323K – 175
2025
Q4 		$323K Sell
4,804
-29,678
-86% -$2M 0.74% 45
2025
Q3 		$2.53M Buy
34,482
+6,400
+23% +$425K 0.52% 42
2025
Q2 		$1.46M Buy
28,082
+11,682
+71% +$665K 0.23% 132
2025
Q1 		$1.05M Buy
+16,400
New +$953K 0.17% 156
2024
Q3 		– Sell
-31,260
Closed -$1.64M – 821
2024
Q2 		$1.64M Buy
+31,260
New +$1.37M 0.19% 145
2024
Q1 		– Sell
-31,500
Closed -$1.16M – 907
2023
Q4 		$1.16M Buy
+31,500
New +$1.19M 0.12% 203
2023
Q3 		– Sell
-46,100
Closed -$1.66M – 820
2023
Q2 		$1.66M Buy
46,100
+8,600
+23% +$293K 0.18% 159
2023
Q1 		$1.43M Buy
37,500
+29,900
+393% +$1.4M 0.18% 168
2022
Q4 		$432K Sell
7,600
-8,500
-53% -$435K 0.06% 394
2022
Q3 		$637K Sell
16,100
-3,800
-19% -$168K 0.13% 221
2022
Q2 		$876K Buy
+19,900
New +$861K 0.16% 186
2021
Q3 		– Sell
-7,800
Closed -$354K – 450
2021
Q2 		$354K Sell
7,800
-665
-8% -$29.4K 0.09% 239
2021
Q1 		$353K Buy
+8,465
New +$386K 0.08% 317
2018
Q1 		– Sell
-22,800
Closed -$462K – 687
2017
Q4 		$462K Buy
+22,800
New +$419K 0.09% 337
2016
Q3 		– Sell
-11,200
Closed -$97K – 412
2016
Q2 		$97K Buy
+11,200
New +$111K 0.06% 365

Other funds holding HALO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Bayesian Capital Management's HALO Position: Q1 2026 in Review

Bayesian Capital Management sold out of Halozyme (HALO) in Q1 2026, closing a stake of 4,804 shares — an estimated $323K sold.

Bayesian Capital Management first reported a position in HALO in Q2 2016 and held it in 15 quarters. The position peaked at $2.53M in Q3 2025. 634 funds tracked by Wall St. Rank hold HALO as of Q1 2026.

  • Bayesian Capital Management reported no remaining Halozyme position as of Q1 2026 after selling out during the quarter.
  • Bayesian Capital Management sold 4,804 Halozyme shares in Q1 2026, an estimated $323K.
  • Bayesian Capital Management first reported a position in Halozyme in Q2 2016 and held it in 15 quarters.
  • Bayesian Capital Management's Halozyme position peaked at $2.53M in Q3 2025.
  • 634 funds tracked by Wall St. Rank held Halozyme as of Q1 2026.

Based on Bayesian Capital Management's 13F filing for Q1 2026, filed 15 May 2026.