CJ
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Caitlin John’s Halozyme HALO Stock Holding History

Caitlin John’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
Q2 		$43.8K Sell
560
-3,742
-87% -$255K 0.02% 384
2026
Q1 		$278K Sell
4,302
-2,609
-38% -$184K 0.17% 121
2025
Q4 		$465K Buy
+6,911
New +$465K 0.3% 74

Other funds holding HALO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

Caitlin John's HALO Position: Q2 2026 in Review

Caitlin John reduced its Halozyme (HALO) stake by 87% in Q2 2026, selling an estimated $255K and leaving 560 shares worth $43.8K. The position accounts for 0.02% of the portfolio, ranked #384.

Caitlin John first reported a position in HALO in Q4 2025 and has held it in 3 quarters since. The position peaked at $465K in Q4 2025. 671 funds tracked by Wall St. Rank hold HALO as of Q2 2026.

  • Caitlin John held 560 shares of Halozyme worth $43.8K as of Q2 2026.
  • Caitlin John sold 3,742 Halozyme shares in Q2 2026, an estimated $255K.
  • Halozyme made up 0.02% of Caitlin John's portfolio in Q2 2026, its #384 holding.
  • Caitlin John first reported a position in Halozyme in Q4 2025 and has held it in 3 quarters since.
  • Caitlin John's Halozyme position peaked at $465K in Q4 2025.
  • 671 funds tracked by Wall St. Rank held Halozyme as of Q2 2026.

Based on Caitlin John's 13F filing for Q2 2026, filed 17 Aug 2026.