REGENTS OF THE UNIVERSITY OF CALIFORNIA 13F: Quarter-over-Quarter Portfolio Changes
Regents of the University of California reported a disclosed portfolio value of approximately $6.6 billion in its latest SEC Form 13F-HR filing for Q3 2026, up 52.2% quarter on quarter. Over the quarter, the endowment initiated 3 new positions, bought more shares in 1 holding, trimmed 3 holdings, and exited 3 positions.
Regents of the University of California's top buy was a new stake in State Street SPDR Uc Investmen (UCBG), equal to 37.6% of the disclosed portfolio. Its top sell was Blue Owl Technology Finance (OTF). The endowment sold 10.9% of its previously reported shares, reducing the position's portfolio weight by 4.6 percentage points.
New PositionsQ3 2026
Securities disclosed for the first time in Q3 2026 that were not present in the prior 13F-HR filing.
| Company | Ticker | Initial Portfolio Weight | History |
|---|---|---|---|
| STATE STREET SPDR UC INVESTMEN | UCBG | 37.6% | History → |
| BRIDGEBIO ONCOLOGY THERAPEUT | BBOT | 0.2% | History → |
| EIKON THERAPEUTICS INC | EIKN | 0.1% | History → |
Top BuysQ3 2026
The endowment's top buys among existing positions in Q3 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.
| Company | Ticker | Portfolio Weight Change | More Shares | History |
|---|---|---|---|---|
| SPACE EXPLORATION TECHNOLOGY | SPCX | -9.4% | +3.2% | History → |
Top SellsQ3 2026
The endowment's top sells among positions it retained in Q3 2026. Ranked by portfolio-weight impact. Full exits are listed separately.
| Company | Ticker | Portfolio Weight Change | Shares Sold | History |
|---|---|---|---|---|
| BLUE OWL TECHNOLOGY FINANCE | OTF | -4.6% | 10.9% | History → |
| STATE STR CORP | STT | -12.6% | 0.4% | History → |
| BLUE OWL CAPITAL INC | OWL | -0.0% | 0.0% | Holders → |
Full ExitsQ3 2026
Positions present in the prior 13F-HR filing that no longer appear in Q3 2026.
| Company | Ticker | Last-Reported Portfolio Weight |
|---|---|---|
| BILLIONTOONE INC CL A | BLLN | 0.1% |
| CHIME FINL INC | CHYM | 0.0% |
| SURROZEN INC | SRZNW | 0.0% |
Net Portfolio Value ChangeQ3 2026
- $4.4BPrior quarter
- $6.6BCurrent quarter
- +$2.3BNet delta
- +52.2%% change
Methodology & FAQ
How REGENTS OF THE UNIVERSITY OF CALIFORNIA Quarterly Changes Are Computed
All deltas are sourced from sequential SEC Form 13F-HR filings for REGENTS OF THE UNIVERSITY OF CALIFORNIA: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description, including how confidential treatment filings are handled, is documented in the Methodology.
What stocks did REGENTS OF THE UNIVERSITY OF CALIFORNIA buy in Q3 2026?
In Q3 2026, REGENTS OF THE UNIVERSITY OF CALIFORNIA initiated 3 new positions (STATE STREET SPDR UC INVESTMEN (UCBG), BRIDGEBIO ONCOLOGY THERAPEUT (BBOT), EIKON THERAPEUTICS INC (EIKN)); bought more shares of SPACE EXPLORATION TECHNOLOGY (SPCX).
What stocks did REGENTS OF THE UNIVERSITY OF CALIFORNIA sell in Q3 2026?
In Q3 2026, REGENTS OF THE UNIVERSITY OF CALIFORNIA fully sold 3 positions (BILLIONTOONE INC CL A (BLLN), CHIME FINL INC (CHYM), SURROZEN INC (SRZNW)); reduced holdings in BLUE OWL TECHNOLOGY FINANCE (OTF), STATE STR CORP (STT), BLUE OWL CAPITAL INC (OWL).
Which positions did REGENTS OF THE UNIVERSITY OF CALIFORNIA initiate in Q3 2026?
REGENTS OF THE UNIVERSITY OF CALIFORNIA established 3 new positions in Q3 2026: STATE STREET SPDR UC INVESTMEN (UCBG, 37.6%), BRIDGEBIO ONCOLOGY THERAPEUT (BBOT, 0.2%), EIKON THERAPEUTICS INC (EIKN, 0.1%).
Which existing positions saw the largest allocation increases for REGENTS OF THE UNIVERSITY OF CALIFORNIA in Q3 2026?
Of 1 existing position with share-count increases in Q3 2026, the largest were: SPACE EXPLORATION TECHNOLOGY (SPCX, -9.4% weight, +3.2% shares).
Which positions did REGENTS OF THE UNIVERSITY OF CALIFORNIA fully exit in Q3 2026?
REGENTS OF THE UNIVERSITY OF CALIFORNIA fully exited 3 positions in Q3 2026: BILLIONTOONE INC CL A (BLLN, last-reported weight 0.1%), CHIME FINL INC (CHYM, last-reported weight 0.0%), SURROZEN INC (SRZNW, last-reported weight 0.0%).
Which existing positions saw the largest allocation reductions for REGENTS OF THE UNIVERSITY OF CALIFORNIA in Q3 2026?
Of 3 existing positions with share-count reductions in Q3 2026, the largest were: BLUE OWL TECHNOLOGY FINANCE (OTF, -4.6% weight, -10.9% shares), STATE STR CORP (STT, -12.6% weight, -0.4% shares), BLUE OWL CAPITAL INC (OWL, -0.0% weight, -0.0% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.