SEM · Insider trading · 13F holders · Congress trades
Interest in privately held healthcare provider. select Medical Holdin gs Corporation (SEM)
Who is buying and selling SEM: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 12
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 1
SEM at a glance
- No open-market insider purchases or sales of SEM were filed in the last 90 days.
- 12 13F filers hold SEM among their 50 largest positions, worth $571.0M combined. The biggest bets by portfolio weight are Decagon Asset Management LLP (8.9%), Glazer Capital, LLC (4.5%) and One68 Global Capital, LLC (2.5%). In their latest 13Fs, 1 manager opened a new position and 5 added to one.
- Members of Congress have disclosed 1 SEM trade since 2014, 0 purchases and 1 sale in the past year; the latest was Jim Cooper (D-TN), selling $1K–15K on Aug 6, 2014.
SEM insider trading
No open-market insider purchases or sales of SEM were filed in the last 90 days.
Who owns SEM? Hedge funds and superinvestors
12 13F filers hold SEM among their 50 largest positions, worth $571.0M combined. The biggest bets by portfolio weight are Decagon Asset Management LLP (8.9%), Glazer Capital, LLC (4.5%) and One68 Global Capital, LLC (2.5%). In their latest 13Fs, 1 manager opened a new position and 5 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Verition Fund Management LLCHedge fund | 1.5% | $198.5M | 12,025,235 | — | Q2 2026 |
| Glazer Capital, LLCHedge fund | 4.5% | $177.3M | 10,744,069 | +163.3% shares | Q2 2026 |
| AQR Arbitrage LLCHedge fund | 0.8% | $47.6M | 2,880,889 | +60.2% shares | Q2 2026 |
| Decagon Asset Management LLPAsset manager | 8.9% | $44.8M | 2,715,536 | — | Q2 2026 |
| Polar Asset Management Partners Inc.Hedge fund | 0.9% | $39.0M | 2,362,979 | +68.8% shares | Q2 2026 |
| Alpine Associates Management Inc.Hedge fund | 1.3% | $21.5M | 1,304,404 | +10.9% shares | Q2 2026 |
| Oddo Bhf Asset Management SasAsset manager | 0.9% | $19.9M | 1,205,000 | — | Q2 2026 |
| Westchester Capital Management, LLCWealth manager | 0.8% | $16.2M | 983,315 | — | Q2 2026 |
| Bluefin Capital Management, LLCHedge fund | 1.0% | $3.3M | 200,000 | — | Q2 2026 |
| Water Island Capital LLCMutual fund manager | 0.1% | $1.4M | 82,492 | -20.3% shares | Q2 2026 |
| One68 Global Capital, LLCInstitutional asset manager | 2.5% | $1.2M | 70,100 | New | Q2 2026 |
| Harvest Management LLCInvestment manager | 0.2% | $347K | 21,000 | +6.6% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 12). Screen SEM in the grand portfolio →
SEM stock trades by members of Congress
Members of Congress have disclosed 1 SEM trade since 2014, 0 purchases and 1 sale in the past year; the latest was Jim Cooper (D-TN), selling $1K–15K on Aug 6, 2014.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Sep 17, 2015 | Jim CooperD-TN · House | Sale | $1K–15K | Aug 6, 2014 | — |
SEM questions and answers
Are insiders buying SEM stock?
No open-market insider purchases or sales of SEM were filed in the last 90 days.
Which hedge funds own SEM?
12 13F filers hold SEM among their 50 largest positions, worth $571.0M combined. The biggest bets by portfolio weight are Decagon Asset Management LLP (8.9%), Glazer Capital, LLC (4.5%) and One68 Global Capital, LLC (2.5%). In their latest 13Fs, 1 manager opened a new position and 5 added to one.
Has Congress traded SEM?
Members of Congress have disclosed 1 SEM trade since 2014, 0 purchases and 1 sale in the past year; the latest was Jim Cooper (D-TN), selling $1K–15K on Aug 6, 2014.
Who is the largest holder of SEM?
Among 13F filers, Verition Fund Management LLC reports the largest SEM position, $198.5M (12,025,235 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Decagon Asset Management LLP's: 8.9% of its portfolio.
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