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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
(+2.5%)
Cap. Flow
+$416M
Cap. Flow
% of AUM
0.42%
Top 10 Holdings %
Top 10 Hldgs %
35.83%
Holding
3,102
New
56
Increased
1,015
Reduced
1,958
Closed
48
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
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 |
Insmed
INSM
|
+$23.9M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$142M |
| 2 |
Apple
AAPL
|
+$141M |
| 3 |
Microsoft
MSFT
|
+$86.5M |
| 4 |
Tesla
TSLA
|
+$79.8M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
2151
Tango Therapeutics
TNGX
$4.32B
| $427K | ﹤0.01% |
48,210
+43,422
| +907% | +$374K |
|
2152
OneSpan
OSPN
$624M
| $426K | ﹤0.01% |
33,191
-32
| -0.1% | -$434 |
|
2153
AdvanSix
ASIX
$446M
| $426K | ﹤0.01% |
24,627
-236
| -0.9% | -$4.12K |
|
2154
JetBlue
JBLU
$2.19B
| $423K | ﹤0.01% |
92,982
-1,854
| -2% | -$8.45K |
|
2155
Aveanna Healthcare
AVAH
$2.46B
| $422K | ﹤0.01% |
51,604
-9,436
| -15% | -$85.2K |
|
2156
Dave & Buster's
PLAY
$370M
| $416K | ﹤0.01% |
25,649
-4,847
| -16% | -$81.1K |
|
|
TMQ
2157
Trilogy Metals
TMQ
$653M
| $415K | ﹤0.01% |
+96,400
| New | +$454K |
|
2158
World Acceptance Corp
WRLD
$875M
| $415K | ﹤0.01% |
2,954
-28
| -0.9% | -$4.21K |
|
|
VOYG
2159
Voyager Technologies
VOYG
$2.68B
| $414K | ﹤0.01% |
15,850
+14,520
| +1,092% | +$394K |
|
2160
ASP Isotopes
ASPI
$539M
| $413K | ﹤0.01% |
77,208
+73,441
| +1,950% | +$584K |
|
2161
Allegiant Air
ALGT
$2.36B
| $412K | ﹤0.01% |
4,835
-13
| -0.3% | -$929 |
|
2162
Tiptree Inc
TIPT
$677M
| $402K | ﹤0.01% |
22,015
-21
| -0.1% | -$383 |
|
|
NXDR
2163
Nextdoor Holdings
NXDR
$998M
| $402K | ﹤0.01% |
191,433
+763
| +0.4% | +$1.5K |
|
|
OPTU
2164
Optimum Communications Inc
OPTU
$228M
| $401K | ﹤0.01% |
243,320
-233
| -0.1% | -$474 |
|
2165
Heartland Express
HTLD
$979M
| $401K | ﹤0.01% |
44,460
+7,275
| +20% | +$60.5K |
|
2166
Akebia Therapeutics
AKBA
$241M
| $400K | ﹤0.01% |
248,204
+504
| +0.2% | +$1.05K |
|
|
UPB
2167
Upstream Bio Inc
UPB
$378M
| $398K | ﹤0.01% |
14,652
+12,476
| +573% | +$311K |
|
2168
Kosmos Energy
KOS
$1.51B
| $396K | ﹤0.01% |
435,939
-451
| -0.1% | -$595 |
|
2169
Peapack-Gladstone Financial
PGC
$822M
| $388K | ﹤0.01% |
13,921
-226
| -2% | -$6.16K |
|
2170
American Battery Technology Co
ABAT
$342M
| $387K | ﹤0.01% |
116,002
+110,935
| +2,189% | +$519K |
|
2171
MoonLake Immunotherapeutics
MLTX
$1.4B
| $386K | ﹤0.01% |
29,296
+10,324
| +54% | +$122K |
|
|
RC
2172
Ready Capital
RC
$294M
| $380K | ﹤0.01% |
174,089
-1,262
| -0.7% | -$3.54K |
|
2173
Savers
SVV
$1.67B
| $372K | ﹤0.01% |
39,844
+668
| +2% | +$6.87K |
|
2174
Willis Lease Finance
WLFC
$1.15B
| $369K | ﹤0.01% |
8,166
-114
| -1% | -$4.92K |
|
2175
Atlanticus Holdings
ATLC
$1.47B
| $364K | ﹤0.01% |
5,431
-71
| -1% | -$4.18K |
|
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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.