California State Teachers Retirement System Halozyme Therapeutics, Inc. Transaction History

California State Teachers Retirement System

  • $94.5 Billion
  • Q3 2025

A detailed history of California State Teachers Retirement System transactions in Halozyme Therapeutics, Inc. stock. As of the latest transaction made, California State Teachers Retirement System holds 116,670 shares of HALO stock, worth $8.17 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares
116,670
Previous 121,300 3.82%
Holding current value
$8.17 Million
Previous $6.31 Million 35.59%
% of portfolio
0.01%
Previous 0.01%

Shares

33 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025
SELL
$52.92 - $78.28 $245,019 - $362,436
-4,630 Reduced 3.82%
116,670 $8.56 Million
Q1 2025

May 15, 2025
BUY
$47.74 - $65.16 $142,360 - $194,307
2,982 Added 2.52%
121,300 $7.74 Million
Q4 2024

Feb 14, 2025
SELL
$42.57 - $61.09 $80,372 - $115,337
-1,888 Reduced 1.57%
118,318 $5.66 Million
Q3 2024

Apr 04, 2025
BUY
$51.3 - $64.42 $96,854 - $121,624
1,888 Added 1.6%
120,206 $6.88 Million
Q3 2024

Nov 14, 2024
SELL
$51.3 - $64.42 $191,554 - $240,544
-3,734 Reduced 3.01%
120,206 $6.88 Million
Q2 2024

Apr 08, 2025
BUY
$37.81 - $52.4 $212,567 - $294,592
5,622 Added 4.75%
123,940 $6.49 Million
Q2 2024

Aug 14, 2024
SELL
$37.81 - $52.4 $301,307 - $417,575
-7,969 Reduced 6.04%
123,940 $6.49 Million
Q1 2024

May 15, 2024
SELL
$33.68 - $41.95 $235,389 - $293,188
-6,989 Reduced 5.03%
131,909 $5.37 Million
Q4 2023

Feb 13, 2024
SELL
$33.32 - $42.1 $206,650 - $261,104
-6,202 Reduced 4.27%
138,898 $5.13 Million
Q3 2023

Nov 14, 2023
SELL
$36.46 - $44.03 $673,817 - $813,718
-18,481 Reduced 11.3%
145,100 $5.54 Million
Q2 2023

Aug 21, 2023
SELL
$30.28 - $38.74 $369,688 - $472,976
-12,209 Reduced 6.95%
163,581 $5.9 Million
Q1 2023

May 09, 2023
SELL
$32.86 - $55.7 $153,160 - $259,617
-4,661 Reduced 2.58%
175,790 $6.71 Million
Q4 2022

Feb 14, 2023
BUY
$40.06 - $59.44 $15,903 - $23,597
397 Added 0.22%
180,451 $10.3 Million
Q3 2022

Nov 18, 2022
SELL
$38.53 - $51.78 $68,313 - $91,805
-1,773 Reduced 0.98%
180,054 $7.12 Million
Q2 2022

Aug 15, 2022
BUY
$37.35 - $48.3 $56,697 - $73,319
1,518 Added 0.84%
181,827 $8 Million
Q1 2022

May 16, 2022
SELL
$31.97 - $41.06 $500,778 - $643,163
-15,664 Reduced 7.99%
180,309 $7.19 Million
Q4 2021

Feb 15, 2022
BUY
$31.82 - $40.75 $100,869 - $129,177
3,170 Added 1.64%
195,973 $7.88 Million
Q3 2021

Nov 15, 2021
SELL
$38.47 - $46.42 $56,320 - $67,958
-1,464 Reduced 0.75%
192,803 $7.84 Million
Q2 2021

Aug 16, 2021
SELL
$38.84 - $51.31 $245,235 - $323,971
-6,314 Reduced 3.15%
194,267 $8.82 Million
Q1 2021

May 18, 2021
SELL
$39.51 - $51.45 $30,778 - $40,079
-779 Reduced 0.39%
200,581 $8.36 Million
Q4 2020

Feb 16, 2021
SELL
$25.81 - $43.62 $107,937 - $182,418
-4,182 Reduced 2.03%
201,360 $8.6 Million
Q3 2020

Nov 17, 2020
BUY
$25.74 - $29.63 $29,498 - $33,955
1,146 Added 0.56%
205,542 $5.4 Million
Q1 2020

May 13, 2020
SELL
$13.9 - $21.83 $198,061 - $311,055
-14,249 Reduced 6.52%
204,396 $3.68 Million
Q4 2019

Feb 14, 2020
SELL
$14.93 - $19.53 $65,945 - $86,264
-4,417 Reduced 1.98%
218,645 $3.88 Million
Q3 2019

Nov 15, 2019
BUY
$15.2 - $17.69 $40,508 - $47,143
2,665 Added 1.21%
223,062 $3.46 Million
Q2 2019

Aug 14, 2019
BUY
$14.75 - $17.26 $432,838 - $506,494
29,345 Added 15.36%
220,397 $3.79 Million
Q1 2019

May 09, 2019
SELL
$13.94 - $17.58 $61,112 - $77,070
-4,384 Reduced 2.24%
191,052 $3.08 Million
Q4 2018

Feb 13, 2019
BUY
$13.33 - $18.66 $59,758 - $83,652
4,483 Added 2.35%
195,436 $2.86 Million
Q3 2018

Nov 14, 2018
SELL
$16.68 - $18.41 $183 - $202
-11 Reduced 0.01%
190,953 $3.47 Million
Q2 2018

Aug 14, 2018
BUY
$16.87 - $20.3 $155,406 - $187,003
9,212 Added 5.07%
190,964 $3.22 Million
Q1 2018

May 15, 2018
SELL
$17.06 - $21.2 $108,706 - $135,086
-6,372 Reduced 3.39%
181,752 $3.56 Million
Q4 2017

Feb 14, 2018
SELL
$16.75 - $20.8 $47,084 - $58,468
-2,811 Reduced 1.47%
188,124 $3.81 Million
Q3 2017

Nov 13, 2017
BUY
$11.76 - $17.4 $2.25 Million - $3.32 Million
190,935
190,935 $3.32 Million

Others Institutions Holding HALO

# of Institutions
669
Shares Held
128M
Call Options Held
599K
Put Options Held
455K
View Full List

About HALOZYME THERAPEUTICS, INC.

HALO Quotes by TradingView
  • Ticker HALO
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 139,288,992
  • Market Cap $9.75B
  • Description
  • Halozyme Therapeutics, Inc. operates as a biopharma technology platform company in the United States, Switzerland, Ireland, Belgium, Japan, and internationally. The company's products are based on the ENHANZE drug delivery technology, a patented recombinant human hyaluronidase enzyme (rHuPH20) that enables the subcutaneous delivery of injectable...
More about HALO
Track This Portfolio

Track California State Teachers Retirement System Portfolio

Follow California State Teachers Retirement System and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of California State Teachers Retirement System, based on Form 13F filings with the SEC.

News

Stay updated on California State Teachers Retirement System with notifications on news.

Choose your preferred platform and Sign Up 👇 Telegram Email