Vaneck Oil Services ETF
$426.88-0.5%
+$457.3M
Net Activity
+18.60% total shares
Institutions Holding
274
Popularity Rank
#2305
Avg Weight
0.20%
Total Value
$2.2B
274 institutions currently hold OIH, with 118 net buyers and 165 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Decreased
Based on recent trading activity
Net Selling Institutions
165
Net Buying Institutions
118
Top 5 by Value
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Across its top 20 institutional holders, OIH's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 11/100, avg. turnover score 44/100).
OIH ranks #2305 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
OIH is a disclosed holding of Jane Street (Jane Street Group), one of the tracked superinvestors on AlphaSMO — it makes up 0.0% of that fund's own 13F portfolio.
OIH is a top-conviction position for Arlington Capital Management, Inc. — at 5.8% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
The largest dollar stake in OIH belongs to Susquehanna International Group, LLP, but the position matters far more to Arlington Capital Management, Inc., who has 5.8% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.
Menora Mivtachim Holdings LTD. has added to its OIH position for two straight quarters, increasing it by $159.8M to reach $160.7M today.
Goldman Sachs Group Inc has trimmed its OIH position for two straight quarters, cutting it by $182.1M while still holding $48.6M.
OIH is down 0.5% today, but institutions show net buying of $457.3M this quarter — a divergence between today's price move and the underlying institutional flow.
+$937.3M
Total Buy Value
$575.7M
Total Sell Value
118
Net Buyers
165
Net Sellers
OIH
Q2 2026
Top 5 Institutional Movers
-$179.2M
+$159.2M
-$125.4M
+$74.5M
OIH does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
No Form 8-K filings for this ticker
92189H607, 57060U191
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,242
Total reported value
$2.2T
3229 13F institutions increased their position this quarter
Institutions Holding
5,990
Total reported value
$3.6T
3033 13F institutions increased their position this quarter
Institutions Holding
6,153
Total reported value
$1.8T
2971 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,691
Total reported value
$473.3B
Held by 4691 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,637
Total reported value
$985.7B
Held by 4637 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,583
Total reported value
$528.9B
Held by 4583 institutions — one of the most-tracked stocks on AlphaSMO
Access OIH's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/OIHCLI
npx alphasmo stocks get OIH