Great investors · Chris Bloomstran · Q3 2025
What Chris Bloomstran bought and sold in Q3 2025
Semper Augustus 13F portfolio as of Sep 30, 2025: 38 positions worth $801M. Largest: BRK/B, DG, KGC, NEM. Filed with the SEC on Nov 14, 2025.
The 13F is filed by Semper Augustus, not by Chris Bloomstran personally: these are the whole firm's positions. A “position” is a distinct security in the filing (by CUSIP); share classes of the same company are shown added together.
Buys in Q3 2025
- IncreasedOlinOLN+3.5 pp
- IncreasedDeckers OutdoorDECK+2.1 pp
Sells in Q3 2025
- ReducedSkydancePSKY−2.0 pp
- ReducedKinross GoldKGC−1.5 pp
4 companies with material moves, out of 17 positions with a change. Only moves of 0.5 points of the portfolio or more are listed, measured as “traded weight” (what was bought or sold, excluding price effects). Smaller changes exist and are not listed: a position may have gone up or down without appearing above.
The full 13F, line by line
Semper Augustus's Q3 2025 13F lists 38 lines of US-listed securities worth $801M; the largest is BRK/B at 15.7% of the portfolio. It was accepted by the SEC on Nov 14, 2025 at 4:00 PM ET.
Against the previous quarter, it opened 1 position (PSX), closed none, added to 8 (OLN, DECK, BRK/B and EQNR and 4 more) and trimmed 8 (KGC, PSKY, FIVE and COST and 4 more). 21 lines show the same number of shares.
| # | Company | Shares | Value | Weight | Change in shares |
|---|---|---|---|---|---|
| 1 | Berkshire Hathaway BRK/B | 250,239 | $126M | 15.7% | +1.4% |
| 2 | Dollar General DG | 925,826 | $95.7M | 11.9% | no change |
| 3 | Berkshire Hathaway BRK/A | 116 | $87.5M | 10.9% | no change |
| 4 | Kinross Gold KGC | 2.6 M | $64.4M | 8.03% | −16% |
| 5 | Newmont NEM | 678,207 | $57.2M | 7.14% | no change |
| 6 | Olin OLN | 1.9 M | $48.1M | 6.00% | +141% |
| 7 | Five Below FIVE | 308,341 | $47.7M | 5.95% | −4.5% |
| 8 | Dollar Tree DLTR | 505,157 | $47.7M | 5.95% | no change |
| 9 | Deckers Outdoor DECK | 374,841 | $38.0M | 4.74% | +78% |
| 10 | Valero Energy VLO | 199,527 | $34.0M | 4.24% | no change |
| 11 | Starbucks SBUX | 238,961 | $20.2M | 2.52% | no change |
| 12 | Alaska Air Group ALK | 378,591 | $18.8M | 2.35% | +1.8% |
| 13 | HF Sinclair DINO | 356,712 | $18.7M | 2.33% | +2.2% |
| 14 | Cummins CMI | 39,936 | $16.9M | 2.11% | no change |
| 15 | Walt Disney DIS | 145,536 | $16.7M | 2.08% | no change |
| 16 | Equinor ASA EQNR | 573,731 | $14.0M | 1.75% | +12% |
| 17 | Skydance PSKY | 659,284 | $12.5M | 1.56% | −56% |
| 18 | Exxon Mobil XOM | 57,840 | $6.5M | 0.81% | +1.8% |
| 19 | Travelers Companies TRV | 19,100 | $5.3M | 0.67% | no change |
| 20 | Merck MRK | 44,443 | $3.7M | 0.47% | no change |
| 21 | Costco Wholesale COST | 3,435 | $3.2M | 0.40% | −8.8% |
| 22 | NXP Semiconductors NXPI | 13,394 | $3.1M | 0.38% | −1.2% |
| 23 | GE Aerospace GE | 9,352 | $2.8M | 0.35% | no change |
| 24 | GE Vernova GEV | 3,436 | $2.1M | 0.26% | no change |
| 25 | SPDR Gold Minishares Trust ETF GLDM | 19,864 | $1.5M | 0.19% | +17% |
| 26 | SEACOR Marine Holdings SMHI | 211,480 | $1.4M | 0.17% | no change |
| 27 | American Express AXP | 4,106 | $1.4M | 0.17% | −7.4% |
| 28 | Apple AAPL | 4,140 | $1.1M | 0.13% | no change |
| 29 | Coca-Cola KO | 15,328 | $1.0M | 0.13% | −1.9% |
| 30 | Chevron CVX | 6,389 | $992K | 0.12% | no change |
| 31 | Sprott Asset Management PHYS | 23,869 | $707K | 0.09% | no change |
| 32 | Ovintiv OVV | 16,487 | $666K | 0.08% | no change |
| 33 | iShares 0-3 Month Treasury B ETF SGOV | 5,565 | $560K | 0.07% | −32% |
| 34 | Shell SHEL | 4,968 | $355K | 0.04% | no change |
| 35 | GE Healthcare Technologies GEHC | 4,581 | $344K | 0.04% | no change |
| 36 | Synchrony Financial SYF | 4,437 | $315K | 0.04% | no change |
| 37 | FLEX FLEX | 5,090 | $295K | 0.04% | no change |
| 38 | Phillips 66 PSX | 1,472 | $200K | 0.03% | new |
One row per line of the filing (by CUSIP): share classes of the same company are listed separately here. “Change in shares” compares the count with the previous quarter, split-adjusted; the value is the one reported in the 13F at quarter end, not today's price.
Original documents: Semper Augustus's 13F filings on EDGAR (SEC) ↗
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Source: 13F filings with the SEC. A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions. Not investment advice.