Birnam Oak Advisors, LP
CIK 1997245 · View on SEC EDGAR ↗
- Portfolio value
- $388.3M
- Positions
- 40
- As of
- June 30, 2026
#4,444 of 9,443 by 13F value · top 47.1%
Portfolio value QoQ: +47.8% 13F does not disclose cash
- Top 10 holdings weight
- 75.67%
- Top 25 holdings weight
- 97.33%
- Positions above 1%
- 21
- Effective number of positions
- 13.7
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 21.89% Est. buys $180,148,495 · sells $71,274,236
Median holding: 2.0 quarters Tracked Q4 2024–Q2 2026 · 43.0% still held
- New positions
- 10
- Increased
- 17
- Decreased
- 3
- Closed
- 4
Put-notional exposure: 0.1% puts 13F reports option positions at underlying notional value — may include hedges, not necessarily bearish bets
On this page
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- High-conviction bets The holdings this manager is most concentrated in.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Sector breakdown
Industrials
24.2%
Communication Services
17.5%
Health Care
11.9%
Consumer products
7.9%
Technology
4.4%
Utilities
4.3%
Financial Services
1.0%
Retail
0.6%
Communications
0.5%
Financials
0.2%
Consumer Discretionary
0.1%
Other/Unmapped
27.5%
Full portfolio 40 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| ACWI iShares MSCI ACWI ETF | $60,445,380 | 15.57% | 385,076 | $22,144,564 | Up ×1 | ||
| GTLS Chart Industries, Inc. Common Stock | $37,863,689 | 9.75% | 181,218 | $21,163,664 | Up ×1 | ||
| NSC Norfolk Southern Corporation Common Stock | $37,242,737 | 9.59% | 118,385 | $21,343,798 | Up ×3 | ||
| PEN Penumbra, Inc. Common Stock | $33,539,597 | 8.64% | 106,222 | $14,840,239 | Up ×1 | ||
| WBD Warner Bros. Discovery, Inc. - Series A Common Stock | $32,131,139 | 8.27% | 1,205,219 | $17,314,876 | Up ×1 | ||
| ROKU Roku, Inc. - Class A Common Stock | $23,132,648 | 5.96% | 167,458 | Up ×1 | |||
| KVUE Kenvue Inc. Common Stock | $22,126,953 | 5.70% | 1,157,873 | $7,426,388 | Up ×1 | ||
| UNF Unifirst Corporation Common Stock | $16,948,712 | 4.36% | 64,088 | $9,457,117 | Up ×1 | ||
| VUG | $15,660,080 | 4.03% | 181,798 | $13,687,246 | Up ×1 | ||
| QRVO Qorvo, Inc. - Common Stock | $14,731,530 | 3.79% | 157,945 | $3,973,240 | Up ×1 | ||
| RVMD Revolution Medicines, Inc. - Common Stock | $12,635,782 | 3.25% | 67,470 | $6,872,455 | Up ×1 | ||
| BLD TopBuild Corp. Common Stock | $8,735,619 | 2.25% | 24,640 | Up ×1 | |||
| VTV | $8,473,118 | 2.18% | 38,880 | $1,998,518 | Up ×1 | ||
| BRKB | $7,505,850 | 1.93% | 15,000 | $797,050 | Up ×1 | ||
| SATS EchoStar Corporation - Common stock | $7,386,967 | 1.90% | 72,778 | $-6,801,098 | Down ×1 | ||
| AES The AES Corporation Common Stock | $6,262,884 | 1.61% | 427,209 | ||||
| D Dominion Energy, Inc. Common Stock | $6,140,159 | 1.58% | 89,913 | Up ×1 | |||
| BBJP | $4,544,431 | 1.17% | 60,343 | $754,381 | Up ×1 | ||
| TXNM TXNM Energy, Inc. Common Stock | $4,425,206 | 1.14% | 77,936 | $-445,214 | Down ×3 | ||
| VGK | $4,387,511 | 1.13% | 49,554 | $1,502,461 | Up ×1 | ||
| IEUR | $4,134,350 | 1.06% | 55,000 | $269,500 | |||
| EA Electronic Arts Inc. - Common Stock | $3,266,287 | 0.84% | 15,930 | ||||
| AMZN Amazon.com, Inc. - Common Stock | $2,264,230 | 0.58% | 9,500 | $285,665 | |||
| VSAT ViaSat, Inc. - Common Stock | $2,092,483 | 0.54% | 23,299 | Up ×1 | |||
| SATS EchoStar Corporation - Common stock | $1,867,600 | 0.48% | 18,400 | Call option | Up ×1 | ||
| VLRS Controladora Vuela Compania de Aviacion, S.A.B. de C.V. American Depositary Shares, each representing ten (10) Ordinary Participation Certificates | $1,219,580 | 0.31% | 130,158 | $675,436 | Up ×1 | ||
| IVE | $1,135,300 | 0.29% | 5,000 | $79,550 | |||
| MSFT Microsoft Corporation - Common Stock | $1,119,060 | 0.29% | 3,000 | $8,550 | |||
| GS Goldman Sachs Group, Inc. (The) Common Stock | $1,011,370 | 0.26% | 1,000 | $165,380 | |||
| AAPL Apple Inc. - Common Stock | $868,080 | 0.22% | 3,000 | Up ×1 | |||
| MS Morgan Stanley Common Stock | $836,160 | 0.22% | 4,000 | $177,880 | |||
| COF Capital One Financial Corporation Common Stock | $768,976 | 0.20% | 3,833 | $69,722 | |||
| V Visa Inc. | $686,180 | 0.18% | 2,000 | $81,700 | |||
| AXP American Express Company Common Stock | $676,500 | 0.17% | 2,000 | $374,020 | Up ×1 | ||
| JPM JP Morgan Chase & Co. Common Stock | $654,660 | 0.17% | 2,000 | $66,340 | |||
| CAR Avis Budget Group, Inc. - Common Stock | $517,405 | 0.13% | 3,500 | Put option | Up ×1 | ||
| EWJ | $373,080 | 0.10% | 4,000 | $35,320 | |||
| NVDA NVIDIA Corporation - Common Stock | $200,090 | 0.05% | 1,000 | Up ×1 | |||
| CZR Caesars Entertainment, Inc. - Common Stock | $165,990 | 0.04% | 5,500 | Call option | $-267,462 | Down ×1 | |
| FLL Full House Resorts, Inc. - Common Stock | $117,791 | 0.03% | 42,219 | $102,936 | Up ×1 | ||
| No matches | |||||||
Conviction holdings
Positions increased for 3+ consecutive quarters.
Share counts are as reported in 13F filings (not split-adjusted)
| Security | Value | % of portfolio | Streak |
|---|---|---|---|
| NSC | $37,242,737 | 9.59% | up ×3 |
Biggest new bets
New positions opened this quarter, largest first.
| Security | Value | Shares | % of portfolio |
|---|---|---|---|
| ROKU | $23,132,648 | 167,458 | 5.96% |
| BLD | $8,735,619 | 24,640 | 2.25% |
| AES | $6,262,884 | 427,209 | 1.61% |
| D | $6,140,159 | 89,913 | 1.58% |
| EA | $3,266,287 | 15,930 | 0.84% |
| VSAT | $2,092,483 | 23,299 | 0.54% |
| SATS | $1,867,600 | 18,400 | 0.48% |
| AAPL | $868,080 | 3,000 | 0.22% |
| CAR | $517,405 | 3,500 | 0.13% |
| NVDA | $200,090 | 1,000 | 0.05% |
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| ACWI | Bought more | +108K | +$22.1M |
| NSC | Bought more | +63K | +$21.3M |
| GTLS | Bought more | +100K | +$21.2M |
| WBD | Bought more | +666K | +$17.3M |
| PEN | Bought more | +49K | +$14.8M |
| UNF | Bought more | +34K | +$9.5M |
| KVUE | Bought more | +305K | +$7.4M |
| RVMD | Bought more | +8K | +$6.9M |
| SATS | Trimmed | -48K | -$6.8M |
| QRVO | Bought more | +19K | +$4.0M |
1 position hidden (data completeness check)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| TSLA | June 30, 2025 | 1,051,000 | $272,377,160 | 9.8% |
| SPY | June 30, 2026 | 63,000 | $40,971,420 | No longer tracked |
| HES | Sept. 30, 2025 | 206,500 | $28,608,510 | No longer tracked |
| FYBR | March 31, 2026 | 609,496 | $23,203,513 | No longer tracked |
| DFS | June 30, 2025 | 127,665 | $21,792,416 | No longer tracked |
| CHX | Sept. 30, 2025 | 841,109 | $20,893,148 | No longer tracked |
| EA | March 31, 2026 | 96,516 | $19,721,114 | No longer tracked |
| VSTS | March 31, 2025 | 1,155,710 | $17,613,020 | 28.2% |
| IPG | Dec. 31, 2025 | 625,298 | $17,452,067 | No longer tracked |
| CWAN | June 30, 2026 | 703,351 | $16,634,251 | No longer tracked |
| DAY | March 31, 2026 | 234,166 | $16,194,921 | No longer tracked |
| CYBR | March 31, 2026 | 35,775 | $15,957,797 | No longer tracked |
| AMED | March 31, 2025 | 135,577 | $12,309,036 | No longer tracked |
| ANSS | Sept. 30, 2025 | 34,952 | $12,275,841 | No longer tracked |
| CMA | March 31, 2026 | 130,631 | $11,355,753 | No longer tracked |
| EXAS | March 31, 2026 | 109,760 | $11,147,226 | No longer tracked |
| K | Dec. 31, 2025 | 133,821 | $10,975,998 | No longer tracked |
| VRNA | Dec. 31, 2025 | 99,226 | $10,588,406 | No longer tracked |
| SPR | Dec. 31, 2025 | 244,576 | $9,440,634 | No longer tracked |
| UNH | June 30, 2025 | 15,000 | $7,856,250 | 24.2% |
| IWM | June 30, 2025 | 38,000 | $7,580,620 | No longer tracked |
| COOP | Dec. 31, 2025 | 34,799 | $7,335,281 | No longer tracked |
| QQQ | June 30, 2026 | 12,600 | $7,272,468 | |
| SPY | June 30, 2025 | 12,500 | $6,992,375 | No longer tracked |
| SPR | June 30, 2025 | 198,250 | $6,831,695 | No longer tracked |
| TGI | Sept. 30, 2025 | 248,603 | $6,401,527 | No longer tracked |
| AES | March 31, 2026 | 414,396 | $5,942,439 | 4.8% |
| ARKK | Dec. 31, 2025 | 68,300 | $5,894,290 | No longer tracked |
| CADE | March 31, 2026 | 137,320 | $5,882,789 | No longer tracked |
| SCS | Dec. 31, 2025 | 341,551 | $5,874,677 | No longer tracked |
| HOUS | March 31, 2026 | 384,119 | $5,439,125 | No longer tracked |
| BA | June 30, 2025 | 29,100 | $4,963,005 | 2.4% |
| OKLO | Dec. 31, 2025 | 43,200 | $4,822,416 | -40.1% |
| LOGCXXXX | June 30, 2025 | 615,682 | $4,297,460 | No longer tracked |
| CORZ | Dec. 31, 2025 | 203,869 | $3,657,410 | 30.9% |
| AER | March 31, 2026 | 25,000 | $3,594,000 | 7.0% |
| GM | June 30, 2025 | 70,000 | $3,292,100 | 78.2% |
| HCP | March 31, 2025 | 89,500 | $3,061,795 | No longer tracked |
| FL | Sept. 30, 2025 | 124,017 | $3,038,417 | No longer tracked |
| CDTX | March 31, 2026 | 12,987 | $2,868,698 | No longer tracked |
| ATXS | March 31, 2026 | 188,988 | $2,473,853 | No longer tracked |
| MSOS | March 31, 2026 | 483,620 | $2,282,686 | No longer tracked |
| IBIT | March 31, 2025 | 33,000 | $1,750,650 | |
| PLTR | June 30, 2025 | 20,000 | $1,688,000 | 26.9% |
| DNB | Sept. 30, 2025 | 176,824 | $1,607,330 | No longer tracked |
| APD | March 31, 2025 | 4,000 | $1,160,160 | 3.0% |
| RPD | March 31, 2025 | 21,800 | $877,014 | -57.0% |
| EVRI | June 30, 2025 | 63,890 | $873,376 | No longer tracked |
| BNO | June 30, 2026 | 16,300 | $847,763 | No longer tracked |
| KSS | Dec. 31, 2025 | 50,000 | $768,500 | -13.6% |
| LION | Dec. 31, 2025 | 100,000 | $690,000 | 26.5% |
| VTOL | March 31, 2025 | 13,654 | $468,332 | 45.7% |
| KMB | March 31, 2026 | 2,766 | $279,062 | 12.4% |