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California State Teachers Retirement System (CalSTRS)

California State Teachers Retirement System (CalSTRS) Portfolio holdings

AUM $94.5B
1-Year Est. Return 29.33%
This Fund
S&P 500
This Quarter Est. Return
+4.01%
1 Year Est. Return
+29.33%
3 Year Est. Return
+103.37%
5 Year Est. Return
+138.35%
10 Year Est. Return
+544.89%
AUM
$100B
AUM Growth
+$2.46B
Cap. Flow
+$416M
Cap. Flow %
0.42%
Top 10 Hldgs %
35.83%
Holding
3,102
New
56
Increased
1,015
Reduced
1,958
Closed
48

Top Buys

Rank Stock Value
1
IVV icon
iShares Core S&P 500 ETF
IVV
+$2.01B
2
AMRZ
Amrize Ltd
AMRZ
+$28.7M
3
NBIS
Nebius Group N.V.
NBIS
+$27.9M
4
CRWV
CoreWeave
CRWV
+$25.9M
5
INSM icon
Insmed
INSM
+$23.9M

Top Sells

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$142M
2
AAPL icon
Apple
AAPL
+$141M
3
MSFT icon
Microsoft
MSFT
+$86.5M
4
TSLA icon
Tesla
TSLA
+$79.8M
5
GOOG icon
Alphabet (Google) Class C
GOOG
+$72.5M

Sector Composition

Rank Sector Weight
1 Technology 33.29%
2 Financials 13.13%
3 Communication Services 10.48%
4 Consumer Discretionary 10.45%
5 Healthcare 9.85%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
KALU icon
1451
Kaiser Aluminum
KALU
$2.99B
$1.87M ﹤0.01%
16,303
-14
-0.1% -$1.33K
POWI icon
1452
Power Integrations
POWI
$3.57B
$1.86M ﹤0.01%
52,426
-95
-0.2% -$3.6K
CRK icon
1453
Comstock Resources
CRK
$3.99B
$1.86M ﹤0.01%
80,169
-65
-0.1% -$1.43K
STC icon
1454
Stewart Information Services
STC
$2B
$1.85M ﹤0.01%
26,350
-792
-3% -$57K
SONO icon
1455
Sonos
SONO
$1.86B
$1.85M ﹤0.01%
105,383
+4,697
+5% +$81.9K
TWST icon
1456
Twist Bioscience
TWST
$7.86B
$1.85M ﹤0.01%
58,337
-8
-0% -$250
IRON icon
1457
Disc Medicine
IRON
$3.07B
$1.85M ﹤0.01%
23,256
+1,163
+5% +$98.3K
LION icon
1458
Lionsgate Studios
LION
$3.49B
$1.85M ﹤0.01%
202,101
-4,144
-2% -$29.5K
APLS
1459
DELISTED
Apellis Pharmaceuticals
APLS
$1.84M ﹤0.01%
73,203
-95
-0.1% -$2.23K
WVE icon
1460
Wave Life Sciences
WVE
$1.02B
$1.83M ﹤0.01%
107,680
+9,185
+9% +$93.3K
OCUL icon
1461
Ocular Therapeutix
OCUL
$2.22B
$1.83M ﹤0.01%
150,701
+50,437
+50% +$613K
WRBY icon
1462
Warby Parker
WRBY
$3.2B
$1.83M ﹤0.01%
83,899
-87
-0.1% -$1.89K
IOSP icon
1463
Innospec
IOSP
$2.31B
$1.82M ﹤0.01%
23,800
+737
+3% +$55.6K
ADPT icon
1464
Adaptive Biotechnologies
ADPT
$3.89B
$1.82M ﹤0.01%
111,876
+13,548
+14% +$221K
KWR icon
1465
Quaker Houghton
KWR
$2.95B
$1.81M ﹤0.01%
13,199
-27
-0.2% -$3.65K
RAMP icon
1466
LiveRamp
RAMP
$2.3B
$1.8M ﹤0.01%
61,378
-57
-0.1% -$1.64K
KN icon
1467
Knowles
KN
$3.23B
$1.8M ﹤0.01%
83,957
+2,351
+3% +$53.6K
PLAB icon
1468
Photronics
PLAB
$1.97B
$1.8M ﹤0.01%
56,147
+2,970
+6% +$76.6K
PRDO icon
1469
Perdoceo Education
PRDO
$1.96B
$1.79M ﹤0.01%
61,175
+191
+0.3% +$6.04K
RSI icon
1470
Rush Street Interactive
RSI
$2.85B
$1.79M ﹤0.01%
92,334
+3,241
+4% +$59.9K
PPTA
1471
Perpetua Resources
PPTA
$3.1B
$1.79M ﹤0.01%
74,084
+2,408
+3% +$59.2K
SUNC
1472
SunocoCorp LLC
SUNC
$3.89B
$1.79M ﹤0.01%
+36,394
New +$1.83M
STRA icon
1473
Strategic Education
STRA
$1.81B
$1.79M ﹤0.01%
22,307
+669
+3% +$53.4K
AVDL
1474
DELISTED
Avadel Pharmaceuticals
AVDL
$1.79M ﹤0.01%
82,996
-4,682
-5% -$90.9K
GSHD icon
1475
Goosehead Insurance
GSHD
$2.33B
$1.79M ﹤0.01%
24,279
+775
+3% +$55.2K
57 58
59
60 61

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California State Teachers Retirement System (CalSTRS)'s Q4 2025 Portfolio in Review

As of Q4 2025, California State Teachers Retirement System (CalSTRS) held 3,102 positions worth $100B, up 2.5% from $97.5B the previous quarter. Its ten largest holdings account for 36% of the portfolio.

Trading was light in Q4 2025: portfolio turnover was 3.4%. California State Teachers Retirement System (CalSTRS) opened 56 new positions and exited 48, leaving the 3,102-position portfolio largely intact.

By sector, the portfolio is most concentrated in Technology at 33% of assets, down from 34% a quarter earlier, followed by Financials and Communication Services.

  • California State Teachers Retirement System (CalSTRS)'s largest Q4 2025 buy was iShares Core S&P 500 ETF: 2,958,300 shares worth $2.03B.
  • California State Teachers Retirement System (CalSTRS) added most to Insmed in Q4 2025, an estimated $23.9M increase.
  • California State Teachers Retirement System (CalSTRS)'s biggest Q4 2025 reduction was NVIDIA, cutting an estimated $142M.
  • California State Teachers Retirement System (CalSTRS) fully exited Blue Owl Technology Finance Corp in Q4 2025, selling an estimated $61.7M.
  • California State Teachers Retirement System (CalSTRS)'s ten largest holdings make up 36% of its $100B portfolio in Q4 2025.
  • California State Teachers Retirement System (CalSTRS) opened 56 new positions and closed 48 in Q4 2025.
  • California State Teachers Retirement System (CalSTRS)'s portfolio value rose 2.5% quarter-over-quarter to $100B.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q4 2025, filed 17 Feb 2026.