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ArrowMark Colorado Holdings’s Halozyme HALO Stock Holding History

ArrowMark Colorado Holdings’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 		$36.8M Sell
569,789
-56,429
-9% -$3.98M 0.98% 27
2025
Q4 		$42.1M Sell
626,218
-298,657
-32% -$20.1M 0.93% 34
2025
Q3 		$67.8M Buy
924,875
+58,034
+7% +$3.85M 1.26% 20
2025
Q2 		$45.1M Sell
866,841
-496,598
-36% -$28.3M 0.81% 40
2025
Q1 		$87M Sell
1,363,439
-147,072
-10% -$8.54M 1.41% 17
2024
Q4 		$72.2M Sell
1,510,511
-500,144
-25% -$25.6M 0.97% 32
2024
Q3 		$115M Sell
2,010,655
-80,046
-4% -$4.59M 1.47% 17
2024
Q2 		$109M Buy
2,090,701
+231,860
+12% +$10.2M 1.31% 19
2024
Q1 		$75.6M Buy
1,858,841
+282,758
+18% +$10.6M 0.85% 37
2023
Q4 		$58.3M Buy
1,576,083
+48,370
+3% +$1.82M 0.64% 53
2023
Q3 		$58.4M Buy
1,527,713
+205,473
+16% +$8.42M 0.71% 46
2023
Q2 		$47.7M Buy
1,322,240
+165,642
+14% +$5.65M 0.52% 61
2023
Q1 		$44.2M Buy
+1,156,598
New +$54.3M 0.5% 59
2014
Q3 		– Sell
-20,000
Closed -$198K – 304
2014
Q2 		$198K Sell
20,000
-15,076
-43% -$128K 0.01% 316
2014
Q1 		$446K Buy
35,076
+4,076
+13% +$60.5K 0.01% 247
2013
Q4 		$465K Buy
31,000
+14,237
+85% +$183K 0.01% 245
2013
Q3 		$185K Buy
+16,763
New +$140K 0.01% 292

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

ArrowMark Colorado Holdings's HALO Position: Q1 2026 in Review

ArrowMark Colorado Holdings reduced its Halozyme (HALO) stake by 9% in Q1 2026, selling an estimated $3.98M and leaving 569,789 shares worth $36.8M. The position accounts for 0.98% of the portfolio, ranked #27.

ArrowMark Colorado Holdings first reported a position in HALO in Q3 2013 and has held it in 17 quarters since. The position peaked at $115M in Q3 2024. 634 funds tracked by Wall St. Rank hold HALO as of Q1 2026.

  • ArrowMark Colorado Holdings held 569,789 shares of Halozyme worth $36.8M as of Q1 2026.
  • ArrowMark Colorado Holdings sold 56,429 Halozyme shares in Q1 2026, an estimated $3.98M.
  • Halozyme made up 0.98% of ArrowMark Colorado Holdings's portfolio in Q1 2026, its #27 holding.
  • ArrowMark Colorado Holdings first reported a position in Halozyme in Q3 2013 and has held it in 17 quarters since.
  • ArrowMark Colorado Holdings's Halozyme position peaked at $115M in Q3 2024.
  • 634 funds tracked by Wall St. Rank held Halozyme as of Q1 2026.

Based on ArrowMark Colorado Holdings's 13F filing for Q1 2026, filed 15 May 2026.