CIK: 0001845867
Total reported value
$207.4M
Reporting period: 2026-06-30 · Number of holdings: 28
BCK Partners, Inc. disclosed 28 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $207.4M and a quarterly turnover rate of 11.4%.
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BCK Partners, Inc.'s disclosed holdings carry a Herfindahl concentration index of 0.169 — mathematically equivalent to about 6 equally-sized positions, well below its 28 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.97), with a handful of outsized bets alongside many smaller positions.
Recent activity leans toward adding more aggressively to already-large existing positions than to newly initiated ones (a 7.5 percentage-point tilt) — a pattern consistent with a momentum-following approach.
Sector classification currently covers about 5% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
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Trim VCSH
+6.2% $2.7M
Add GLW
-4.7% $2.1M
Add VOO
-0.4% $6.7M
Trim IGIB
+6.9% $1.4M
Add VO
+303.7% $3.7M
Add VB
-1.8% $2.9M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | VOO | Vanguard S&p 500 ETF | ETF-Large Cap & Growth | 25.44% | +0.56% | -0.36% | |
| 2 | VCSH | Vanguard S/t CORP Bond ETF | ETF-Corp Bonds | 23.08% | -1.33% | +6.24% | |
| 3 | VO | Vanguard Mid-cap ETF | ETF-Other | 15.08% | +0.17% | +303.73% | |
| 4 | VB | Vanguard Small-cap ETF | ETF-Other | 11.76% | +0.17% | -1.82% | |
| 5 | IGIB | Ishares 5-10y Inv Grade CORP | ETF-Corp Bonds | 10.85% | -0.53% | +6.87% | |
| 6 | SCHF | Schwab Intl Equity ETF | ETF-Other | 3.97% | -0.11% | -2.79% | |
| 7 | GLW | Corning Inc | Stock-Tech | 2.30% | +0.86% | -4.65% | |
| 8 | SCHE | Schwab Emrg Mrkts Eqty ETF | ETF-Other | 1.69% | -0.03% | +0.25% | |
| 9 | VTI | Vanguard Total Stock Mkt ETF | ETF-Other | 0.85% | -0.02% | -5.40% | |
| 10 | SCHA | Schwab US Small-cap ETF | ETF-Other | 0.79% | +0.04% | -3.85% | |
| 11 | AAPL | Apple Inc | Stock-Tech | 0.55% | +0.01% | — | |
| 12 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 0.48% | -0.03% | — | |
| 13 | JNJ | Johnson & Johnson | Stock-Healthcare | 0.34% | -0.03% | -2.49% | |
| 14 | SPDW | Ste Str Spdr Pt Dw EU ETF | ETF-Other | 0.34% | -0.01% | -2.68% | |
| 15 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 0.31% | +0.01% | — | |
| 16 | AMAT | Applied Materials Inc | Stock-Tech | 0.24% | +0.09% | -12.72% | |
| 17 | NSC | Norfolk Southern CORP | Stock-Industrials | 0.23% | -0.01% | — | |
| 18 | UNH | Unitedhealth Group Inc | Stock-Healthcare | 0.23% | +0.06% | — | |
| 19 | SPTM | Ss Spdr P S&p 1500 Comp ETF | ETF-Other | 0.21% | +0.02% | +7.25% | |
| 20 | SPSB | Ss Spdr P St C CORP ETF | ETF-Other | 0.21% | -0.02% | — | |
| 21 | XOM | Exxon Mobil CORP | Stock-Energy | 0.18% | -0.06% | +2.08% | |
| 22 | NVDA | Nvidia CORP | Stock-Tech | 0.16% | +0.01% | +3.90% | |
| 23 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 0.16% | +0.01% | -4.24% | |
| 24 | MSFT | Microsoft CORP | Stock-Tech | 0.15% | -0.01% | — | |
| 25 | LLY | Eli Lilly & Co | Stock-Healthcare | 0.12% | +0.12% | NEW | |
| 26 | AMGN | Amgen Inc | Stock-Healthcare | 0.11% | -0.01% | — | |
| 27 | SPEM | State Street Sp Ptf Em ETF | ETF-Other | 0.10% | +0.10% | NEW | |
| 28 | SPIB | Ss Spdr P Int C CORP ETF | ETF-Other | 0.10% | -0.01% | — |
Performance for Q3 2026
+1.2%
Performance Last 4 Quarters
+15.6%
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 28 | $207.4M | 11 | ||
| 2026 Q1 | 26 | $185.2M | 3 | ||
| 2025 Q4 | 27 | $185.0M | 3 | ||
| 2025 Q3 | 26 | $185.7M | 15 | ||
| 2025 Q2 | 26 | $170.4M | 0 | ||
| 2025 Q1 | 25 | $160.3M | 100 | ||
| 2024 Q4 | 26 | $163.1M | 0 | ||
| 2024 Q3 | 29 | $209.6M | 0 | ||
| 2024 Q2 | 30 | $193.4M | 0 | ||
| 2024 Q1 | 29 | $186.9M | 0 | ||
| 2023 Q4 | 28 | $176.1M | 0 | ||
| 2023 Q3 | 28 | $160.4M | 0 | ||
| 2023 Q2 | 25 | $159.9M | 0 | ||
| 2023 Q1 | 28 | $153.8M | 0 | ||
| 2022 Q4 | 27 | $147.5M | 0 | ||
| 2022 Q3 | 28 | $138.2M | 0 | ||
| 2022 Q2 | 24 | $142.9M | 0 | ||
| 2022 Q1 | 26 | $162.2M | 0 | ||
| 2021 Q4 | 28 | $167.0M | 0 | ||
| 2021 Q3 | 28 | $157.5M | 0 | ||
| 2021 Q2 | 28 | $151.2M | 96 | ||
| 2021 Q1 | 27 | $140.2M | 20 | ||
| 2020 Q4 | 25 | $114.9M | 0 |
BCK Partners, Inc.'s most significant position changes for 2026-06-30: New buy: Eli Lilly & Co (LLY); New buy: State Street Sp Ptf Em ETF (SPEM); Add: Vanguard S/t CORP Bond ETF (VCSH) — shares +6.24%; Trim: Corning Inc (GLW) — shares -4.65%; Trim: Vanguard S&p 500 ETF (VOO) — shares -0.36%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | GLW | Corning Inc | +0.9% | -4.65% | Trim |
| 2 | VOO | Vanguard S&p 500 ETF | +0.6% | -0.36% | Trim |
| 3 | VO | Vanguard Mid-cap ETF | +0.2% | +303.73% | Add |
| 4 | VB | Vanguard Small-cap ETF | +0.2% | -1.82% | Trim |
| 5 | LLY | Eli Lilly & Co | +0.1% | NEW | New buy |
| 6 | SPEM | State Street Sp Ptf Em ETF | +0.1% | NEW | New buy |
| 7 | AMAT | Applied Materials Inc | +0.1% | -12.72% | Trim |
| 8 | UNH | Unitedhealth Group Inc | +0.1% | — | Unchanged |
| 9 | SCHA | Schwab US Small-cap ETF | 0% | -3.85% | Trim |
| 10 | SPTM | Ss Spdr P S&p 1500 Comp ETF | 0% | +7.25% | Add |
| 11 | AAPL | Apple Inc | 0% | — | Unchanged |
| 12 | AMZN | Amazon.com Inc | 0% | — | Unchanged |
| 13 | NVDA | Nvidia CORP | 0% | +3.90% | Add |
| 14 | GOOGL | Alphabet Inc-cl A | 0% | -4.24% | Trim |
| 15 | SPDW | Ste Str Spdr Pt Dw EU ETF | 0% | -2.68% | Trim |
| 16 | NSC | Norfolk Southern CORP | 0% | — | Unchanged |
| 17 | AMGN | Amgen Inc | 0% | — | Unchanged |
| 18 | MSFT | Microsoft CORP | 0% | — | Unchanged |
| 19 | SPIB | Ss Spdr P Int C CORP ETF | 0% | — | Unchanged |
| 20 | VTI | Vanguard Total Stock Mkt ETF | 0% | -5.40% | Trim |
| 21 | SPSB | Ss Spdr P St C CORP ETF | 0% | — | Unchanged |
| 22 | SCHE | Schwab Emrg Mrkts Eqty ETF | 0% | +0.25% | Add |
| 23 | BRK-B | Berkshire Hathaway Inc-cl B | 0% | — | Unchanged |
| 24 | JNJ | Johnson & Johnson | 0% | -2.49% | Trim |
| 25 | XOM | Exxon Mobil CORP | -0.1% | +2.08% | Add |
| 26 | SCHF | Schwab Intl Equity ETF | -0.1% | -2.79% | Trim |
| 27 | IGIB | Ishares 5-10y Inv Grade CORP | -0.5% | +6.87% | Add |
| 28 | VCSH | Vanguard S/t CORP Bond ETF | -1.3% | +6.24% | Add |
BCK Partners, Inc. returned an annualized 14.8% over the trailing 36 months — outperforming the S&P 500 by 1.0 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.66 (less volatile than the market) and a 39% quarterly batting average against the index.
Its portfolio is concentrated and long-term-holding, with 67.2% of the portfolio concentrated in Information Technology.
It has added to its VCSH position over the past two quarters (+$3.7M, now $47.9M), while trimming SPSB over the same stretch (-$2.7K, still holding $426.7K).
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